Team:UT-Tokyo/Counter/Project

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<li><a href="Javascript:loadContent('Project-block','Project-1')">Introduction</a></li>
<li><a href="Javascript:loadContent('Project-block','Project-1')">Introduction</a></li>
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<li><a href="Javascript:loadContent('Project-block','Project-2')">σ-memory</a></li>
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<li><a href="Javascript:loadContent('Project-block','Project-2')">Sigma-Memory</a></li>
<li><a href="Javascript:loadContent('Project-block','Project-3')">Construction of Counter</a></li>
<li><a href="Javascript:loadContent('Project-block','Project-3')">Construction of Counter</a></li>
<li><a href="Javascript:loadContent('Project-block','Project-4')">Application</a></li>
<li><a href="Javascript:loadContent('Project-block','Project-4')">Application</a></li>
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<li id="Result"><a href="Javascript:open('Result')"><img src="https://static.igem.org/mediawiki/2014/b/bb/Link_resultclose.png" class="contList" alt="https://static.igem.org/mediawiki/2014/f/f2/Link_resultopen.png" /></a>
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<li><a href="#">Contents1</a></li>
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<li><a href="Javascript:loadContent('Result-block','Result-1')">Sigma Factor</a></li>
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<li><a href="#">Contents2</a></li>
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<li><a href="Javascript:loadContent('Result-block','Result-2')">Reset Function</a></li>
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<li><a href="Javascript:loadContent('Result-block','Result-3')">Riboregulator</a></li>
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<li><a href="Javascript:loadContent('Result-block','Result-4')">Positive Feedback</a></li>
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<li><a href="Javascript:loadContent('Result-block','Result-5')">Conclusion</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-1')">Overview</a></li>
<li><a href="Javascript:loadContent('Modeling-block','Modeling-1')">Overview</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-2')">Deterministic Model</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-2')">Our Main Construct</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-3')">Stochastic Model</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-3')">Leaky Expression Analysis</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-4')">Implementation</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-4')">Improvement of Counter</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-5')">Guide for modeling</a></li>
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<li><a href="Javascript:loadContent('Modeling-block','Modeling-5')">Guide for Modeling</a></li>
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<li id="Achieve"><a href="Javascript:open('Achieve')"><img src="https://static.igem.org/mediawiki/2014/5/53/Link_achieclose.png" class="contList" alt="https://static.igem.org/mediawiki/2014/0/05/Link_achieopen.png" /></a>
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<li id="Achievement"><a href="Javascript:open('Achievement')"><img src="https://static.igem.org/mediawiki/2014/5/53/Link_achieclose.png" class="contList" alt="https://static.igem.org/mediawiki/2014/0/05/Link_achieopen.png" /></a>
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<li><a href="#">Contents1</a></li>
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<li><a href="Javascript:loadContent('Achievement-block','Achievement-1')">Judging Form</a></li>
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<li><a href="#">Contents2</a></li>
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<li><a href="Javascript:loadContent('Attribution-block','Attribution-1')">Attribution</a></li>
<li><a href="Javascript:loadContent('Attribution-block','Attribution-1')">Attribution</a></li>
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<li><a href="Javascript:loadContent('Attribution-block','Attribution-2')">Acknowledgement</a></li>
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<li><a href="Javascript:loadContent('Attribution-block','Attribution-2')">Acknowled-<br />gement</a></li>
<li><a href="Javascript:loadContent('Attribution-block','Attribution-3')">Sponsors</a></li>
<li><a href="Javascript:loadContent('Attribution-block','Attribution-3')">Sponsors</a></li>
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<li id="Humanpractice"><a href="Javascript:open('Humanpractice')"><img src="https://static.igem.org/mediawiki/2014/3/39/Link_humanpracticeclose.png" class="contList" alt="https://static.igem.org/mediawiki/2014/0/07/Link_humanpracticeopen.png" /></a>
<li id="Humanpractice"><a href="Javascript:open('Humanpractice')"><img src="https://static.igem.org/mediawiki/2014/3/39/Link_humanpracticeclose.png" class="contList" alt="https://static.igem.org/mediawiki/2014/0/07/Link_humanpracticeopen.png" /></a>
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<li><a href="Javascript:loadContent('Humanpractice-block','Humanpractice-1')">Introduction</a></li>
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<li><a href="Javascript:loadContent('Humanpractice-block','Humanpractice-1')">Human Practice</a></li>
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<li><a href="Javascript:loadContent('Humanpractice-block','Humanpractice-2')">To spread iGEM in general public</a></li>
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<li><a href="Javascript:loadContent('Humanpractice-block','Humanpractice-2')">Ethics</a></li>
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<li><a href="Javascript:loadContent('Humanpractice-block','Humanpractice-3')">To activate iGEM</a></li>
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<img src = "https://static.igem.org/mediawiki/2014/1/1c/Sub_introduction.png" class = "contTitle"/>
 
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<p>The word "counter" may remind you of the machine with which you can count the number of objects, such as persons and vehicles. Some people familiar with electronic circuits may remind of the logic circuit. In each case, the system is regarded as memory device that remember the number of inputs, which is important for our lives.</p>
 
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<p>In the natural world, cellular counters also memorize the number of events. For example, there are telomere length regulation[1][2], cell aggregation[3][4], etc. Telomere length of <i>Saccharomyces cerevisiae</i> is regulated by the number of the Rap1 protein, indicating the existence of counting system. The cell aggregation size of <i>Dictyostelium</i> is regulated by counting factor (CF). CF counts the number of aggregating cells and negatively regulates the cell adhension. In these ways, cellular counters are widely utilized for the regulation of biological systems.</p>
 
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<p>With synthetic biological approach, Ari et al constructed a cellular counter termed the riboregulated transcriptional cascade (RTC) counter[5]. The state transition occurs after an arabinose induction (Fig. 1). The system is regulated by riboregulators. The Biobrick part of this cellular counter has already existed, which was constructed by Tokyo-Nokogen 2009 and was named BBa_K225002, BBa_K25003 [6]. </p>
 
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<p>In order to expand the function of this counter, we added "reset system". The reset system enables the transition from any state to the initial state after a particular input. The property is expected to apply for a deterministic finite automaton, which is the system developed from information science. Within the finite number of states, the system makes the transition to another state in responce to a particular input.</p>
 
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<p>As the key of its resetting mechanism, our counter utilizes the regulation system based on sigma factor and anti-sigma factor. Sigma factor is a subunit of RNA polymerase and help it bind to the specfic sequence of the promoter. Anti-sigma factor blocks sigma factors from interacting with RNA polymerase. The utilization of this regulation system brings about benefit for attempt to make automaton.Firstly, the number of states can be increased easily because what we have to concern is the combination of sigma and anti-sigma factor. Secondly, the crosstalk between sigma and anti-sigma factors can be circumvented even if you raise the number of states. That is because we can choose such combinations between sigma and anti-sigma factors that have little crosstalk.</p>
 
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<img src = "https://static.igem.org/mediawiki/2014/b/b2/Irie_induce.png" class = "figure" />
 
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<p>Fig. 1 The concept of RTC counter. After first, second and third induction of arabinose, the state of cells moves from 0 to 1, 1 to 2 and 2 to 3, respectively.</p>
 
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<img src = "https://static.igem.org/mediawiki/2014/e/e4/Sub_memory.png" class = "contTitle" />
 
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<h3>sigma factor</h3>
 
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<p class = "noIndent">Sigma factor is a subunit of RNA polymerase related to promoter recognitions. There are two types of sigma factors, one that is housekeeping (expressed constantly) and another that is expressed under some conditions. It is possible to deliver genes of sigma factors that are not derived from some species to another species, so we can use many kinds of sigma factor. Which promoter RNA polymerase tends to bind to is decided by which sigma factor RNA polymerase is bound. Especially some sigma factors promote only transcription of a specific promoters. Therefore if we choose a set of sigma factors and promoters skillfully, we can controll transcription without crosstalk. Here, “without crosstalk” means every sigma factor in the set promotes only transcription of the cognate promoter.</p>
 
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<img src = "https://static.igem.org/mediawiki/2014/2/2f/Nakashima_image%281-0%29.png" class = "figure-height" />
 
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<p>Anti-sigma is also a protein which is related to transcriptional control by sigma factors. Anti-sigma prevents sigma factors from binding to RNA polymerase. Consequently, sigma factor cannot activates transcription of cognate promoters. Similarly as sigma factor, there are many kinds of anti-sigma and some anti sigmas prevent only specific sigma factors from transcriptional control. Therefore if we choose a set of sigma factors, anti sigmas, and promoters skillfully, we can activate control, not only activate but also repress, transcription without crosstalk. </p>
 
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<img src = "https://static.igem.org/mediawiki/2014/a/a2/Nakashima_image%281-1%29.png" class = "figure-height" />
 
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<p>Transferred sigma factors or anti sigmas may have negative effects on the growth of the host cell. For example, anti sigma may prevent housekeeping sigma factors from transcriptional control. However it is no problem since not all sigma factors and anti sigmas have negative effect and there are many kind of sigma factors and anti sigmas.［1］</p>
 
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<h3>sigma-memory construction</h3>
 
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<img src = "https://static.igem.org/mediawiki/2014/f/f8/Nakashima_iroiro.png" class = "figure" />
 
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<p class = "noIndent">This is the construction of our sigma-memory.This gene circuits is composed of three parts. The gene of a sigma factor is placed at the downstream of the promoter that is induced by a substance A and at the downstream of Psigma, which is induced by the sigma factor. The gene of the cognate anti sigma is placed at the downstream of promoter which is induced by a substance B.</p>
 
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<p>At first, there is no sigma factors. If input A exists, sigma factor is expressed. Then the positive feedback circuits of sigma factor starts producing sigma factor, and consequently sigma factor will remain. Though if input B exists, anti-sigma is expressed and the positive feedback circuits is inhibited. Both sigma factor and anti-sigma are subjects to degradation［2］, so all of them are decomposed after some time and sigma-memory returns to its original state.</p>
 
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<img src = "https://static.igem.org/mediawiki/2014/a/af/Nakashima_induced.png" class = "figure" />
 
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<p>We can regard existence/absence of sigma factor as 1/0 of memory, and this values of memory can switch by input A or input B. Using the promoter which is cognate to the sigma factor, the information whether the value of memory is 1 or 0 can be derived. For example, consider the circuits on the right. The repotor is expressed if and only if sigma-memory's value is 1 (i.e. sigma factor exists).</p>
 
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<img src = "https://static.igem.org/mediawiki/2014/8/8f/Nakashima_sigma.png" class = "figure" />
 
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<img src = "https://static.igem.org/mediawiki/2014/e/ef/Nakashima_reset_func01.png" class = "figure" style="width:400px;float:left;"/>
 
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<img src = "https://static.igem.org/mediawiki/2014/5/5a/Nakashima_reset_func02.png" class = "figure" style="width:400px;float:left;" />
 
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<p style="clear:both">In addition, no crosstalk sets of sigma factors, promoters, and anti-sigmas enable us to make  multi-sigma-memory gene circuits. To make the explanation easier, consider the case in which E. coli has two sigma memories, sigmaA-memory and sigmaB-memory. SigmaA The value of sigmaA-memory change from 0 to 1 if input A1 exists and change from 1 to 0 if inputs B1 exists. Also the value of sigmaB-memory change from 0 to 1 if input A2 exists and change from 1 to 0 if input B2 exists. If the four input A1, B1, A2, and B2 have no crosstalk, sigmaA-memory and sigmaB-memory also have no crosstalk. For example, when input A1 exists, only the value of sigmaA-memory change from 0 to 1 since sigmaA promotes only transcription from PsigmaA (promoter that is cognate to sigmaA). Since the transcription from PsigmaB is not activated, sigmaB is not expressed and the value of sigmaB dose not change. The same is true of input A2. When input B1 exist, anti sigmaA is expresses and the value of sigmaA-memory changes from 1 to 0. However, anti sigmaA has no effect on the transcription of PsigmaB and the value of sigmaB dose not change. The same is also true for the input B2. So it can be confidently said that E. coli has two sigma memories.</p>
 
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<img src = "https://static.igem.org/mediawiki/2014/6/6f/Nakashima_sigma_memory.png" class = "figure" />
 
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<p>Since this construction has a positive feedback, leakage of promoter may be a serious problem. If the promoter has leakage and sigma factor is expressed when input A dose not exist, this error may be enlarged by positive feedback. (Whether the error is really enlarged depends on whether the leakage of sigma factor is large compared to the degradation of sigma factor.) However if the leakage of anti-sigma is considerably large, sigma factor dose not produced from positive feedback when leak of sigma factor occurs. Therefore leakage is not an obstacle of our project if we choose the promoter skillfully.</p>
 
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<h3>sigma-memory and automaton</h3>
 
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<p class = "noIndent">Speaking easily, an automaton is referred to what has states and transition rules. Every state has a transition rule, say it is decided what is the next state if an input exists. For example, the automaton on the right has five states, 0, 1, 2, 3, 4, and transition rules are represented by arrows. If the current state is 0 and the input is b, the next state is 2. Transition rules having loops or feedbacks are allowed.</p>
 
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<p>sigma-memory can be considered an automaton. Every tuple of the value if sigma-memory (say, (1, 1, 0, 1, 0)) corresponds to a state, and the promoter which is used in the construction of sigma-memory decides transition rules. It is possible to use the value of one sigma-memory as an inputs of another sigma-memory. This fact enables us to make complicated transition rules.</p>
 
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<p>For example, consider the case where E. coli has two sigma-memory. The value of sigmaA-memory( a sigma-memory which uses sigmaA in the construction as a sigma factor)  change from 0 to 1 if a substance A1 exists, also the value of sigmaB-memory change from 0 to 1 if the value of sigmaA and a substance A2 exists. (This condition can be written in terms of mathematical logic, namely AND(sigmaA, IPTG)) Gene circuits which work as logic circuits (says AND, OR, NAND, etc...) have been designed.［3］ Therefore such gene circuit can be made. The value of sigmaA-memory changes from 1 to 0 when a substance B1 exists and that of sigmaB-memory changes from 1 to 0 when a substance B2 exist. In this case, it is characteristic that sigmaB-memory is affected by sigmaA memory. These gene circuits can be considered as the automaton on the below. </p>
 
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<img src ="https://static.igem.org/mediawiki/2014/8/8f/Nakashima_diagram.png" class = "figure" />
 
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<img src = "https://static.igem.org/mediawiki/2014/b/b9/Sub_construction_of_counter.png" class = "contTitle" />
 
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<h3>resettable counter by sigma-memory</h3>
 
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<p class = "noIndent">Resettable counter is a device that can count the number of induction events of arabinose, and expresses a reporter correspond to each states. In addition, the count can be reset by IPTG induction. Resettable counter can be considered as an automaton. The automaton has two inputs, input A and input B. Each states corresponds to the count, namely the states of the automaton is 0,1,2,...etc. The transition rule is very simple. When the current states is n and the input is A, the next states is n+1, and when the current state is n and the input is B, the next states is 0. Since a counter is one kind of automata, sigma-memory can be applied for making resettable counters. </p>
 
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<img src = "https://static.igem.org/mediawiki/2014/3/35/Nakashima_012.png" class = "figure" />
 
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<p>2-counter is a counter that can count up to 2, and is an automaton that has three states, 0, 1, and 2. This automaton can be constructed by sigma-memory as following. Two kinds of sigma factor are necessary for constructing the 2-counter, so for the convenience we will call these two kinds of sigma factors sigmaA and sigmaB. In state 0, both sigmaA and sigmaB do not exist (i.e. sigmaA-memory and sigmaB-memory is 0). In state 1, only sigmaA exists and in states 2, both sigma factors exist. The input is the induction of arabinose or IPTG, and the transition rules with it are showed in the Figure.</p>
 
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<p>A gene circuit that realizes this automaton can be represented as following. The value of sigmaA changes from 0 to 1 after arabinose induction (i.e. sigmaA is expressed when arabinose exists). This change corresponds to the transition from state from 0 to 1.The value of sigmaB-memory changes from 0 to 1 when both arabinose and sigmaA exist. The conditional branch can be made by using AND function. This change corresponds to the transition from state 1 to state 2. Both the value of sigmaA-memory and sigmaB-memory change from 1 to 0 after IPTG induction (i.e. anti-sigmaA and sigmaB is expressed when IPTG exist).</p>
 
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<h3>riboregulator</h3>
 
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<p class = "noIndent">According to the discussion in 2-1, it is necessary to use AND function for the construction of a resettable counter. Therefore a riboregulator is used for the realization of the AND function.</p>
 
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<img src = "https://static.igem.org/mediawiki/2014/f/f2/Nakashima_cr_structure.png" class = "figure" />
 
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<p>A riboregulator is a post-transcriptional regulation system composed of two kinds of RNAs, Cis-repressed mRNA (crRNA) and trans-activating RNA (taRNA). CrRNA forms a stem-loop and its ribosomal binding site (RBS) is covered. Consequently the gene coded in cis-repressed mRNA isn't translated. However if trans-activating RNA exist, crRNA and taRNA are hybridized and RBS gets exposed and translation starts.［4］</p>
 
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<p>Namely, the gene coded in crRNA is expressed only when both crRNA and taRNA is transcripted. Therefore this system can be considered as the AND function. For example, consider the gene circuit, Plac-taRNA-d.term-Pbad-cr-RBS-GFP-d.term.(cr is the sequence in crRNA which binds to RBS) If and only if both IPTG and arabinose exists, GFP is expressed. Therefore, the riboregulator can combine two promoters and produce AND functions</p>
 
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<h3>resettable counter construction</h3>
 
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<img src = "https://static.igem.org/mediawiki/2014/8/81/Nakashima_const.png" class = "figure" />
 
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<p class = "noIndent">The construction of our resettable counter is explained here.</p>
 
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<p>Ecf20_992 (Sigma20) and Ecf11_3726 (Sigma11) are used as sigmaA and sigmaB as mentioned above respectively. These two sigma factors strongly activate the cognate promoters, and their  inhibition of growth is negligible. ［1］The promoters correspond to sigma20 and sigma11 are Pecf20_992(Psigma20) and Pecf11_3726(Psigma11), respectively. The sequences of these two promoters has no restriction site of Ecor1, Xba1, Spe1, and Pst1. The  cognate anti-sigmas are anti-20 and anti-11 respectively. These two anti-sigmas considerably prevent the cognate sigma factors from activating transcription, and their inhibition of growth is also negligible. These sigma factors, cognate promoters, and cognate anti-sigmas has no cross talk.</p>
 
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<p>Cis-repress sequence is crR12 and trans-activating RNA is taR12. This pair is selected because the leakage is small. ［4］The reporter in this construction is GFP.</p>
 
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<h3>mechanism and extension</h3>
 
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<p class = "noIndent">At first, both the value of sigma20-memory and sigma11-memory are 0. Only the crRNA coding sigma20, which is at downstream of constitutive promoter is translated. After the first induction of arabinose, taRNA at the downstream of PBAD is transcribed and the crRNA coding sigma20 is translated, and the value of sigma20-memory changes from 0 to 1. Since sigma20 exists, crRNA coding sigma11 at the downstream of Psigma20 is transcribed. After the second induction of arabinose, taRNA is transcribed and sigma11 is expressed, and the value of sigma11-memory changes from 0 to 1. At this time, GFP at the downstream of Psigma11 is expressed and we can check the count as 2.</p>
 
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<p>After an induction of IPTG, anti-sigma20 and sigma11 are expressed, and the value of sigma20-memory and sigma11-memory will be 0. Therefore the count is reset.</p>
 
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<p>Since there are many kinds of pair of sigma factors and cognate promoters which have no crosstalk, n-counter can be made by the same way. Besides, the construction of 2-counter can be simplified.</p>
 
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<img src = "https://static.igem.org/mediawiki/2014/4/41/Nakashima_sigmaconst.png" class = "figure" />
 
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<p>This simplified counter is made by only one sigma factor. It works as the same way as original 2-counter unill 1 count. After 1 count, crRNA coding GFP is transcribed at the downstream of Psigma. Therefore when the next arabinose induction occurs, GFP is translated. This expression can be considered a report of 2 count. This simplified counter can be also extended to n count. Simplified counter can count up to larger numbers compared to the original counter even when the same number of sigma factors are used, but cannot be reset from their final count. We did experiments on this simplified counter.</p>
 
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<h3>comparison with previous counter</h3>
 
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<p class = "noIndent">Our sigma-Recounter is improved version of the previous counter constructed by Ari.［5］In the previous counter, T7 RNA polymerase and T3 RNA polymerase is used, while in our counter sigma factors is used. Using sigma factor has two merits. One is the ease of extension for n-counter. The number of RNA polymerase derived from virus is limited, but sigma factor has great divergence. Consequently it is more easy to construct n-counter by using sigma factor. Another is the existence of inhibitor. Anti-sigma is inhibitor of sigma factor which has no cross talk. Inhibitor is necessary to realize reset function.</p>
 
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<p>Other difference is the positive feedback circuits. Previous counter has no feedback circuits. Since sigma factor is more subject to degradation than RNA polymerase, positive feedback circuits is necessary to keep "memory" (i.e. for sigma factor to remain) in our counter.</p>
 
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<!-- Project application -->
 
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<div id = "Project-4">
 
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<img src = "https://static.igem.org/mediawiki/2014/a/af/Sub_application.png" class = "contTitle" />
 
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<p>The genetic circuit we constructed can be considered as an automaton. In a previous study[1], many orthogonal sigma and anti-sigma have been reported. (what “orthogonal” means here is to make almost no crosstalk to other promoters or sigma factors) Thus, an automaton that have many states can be constructed.</p>
 
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<p>Examples of an automaton are such as biocomputer, SUDOKU or lifegame etc. Bringing this concept from algorithmic world into synthetic biology was our challenge. Though in our project input is a single short intermittent signal ,a more general circuit that responds to more general input is possible to be considered by integrating additional circuits into our circuit.</p>
 
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<p>For example, the change of balnce between 2 elements itself can be considered as a input. Considering elements A and B, this additional circuit is possible:</p>
 
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<p>pA-repressorB-reporterA-activatorX-pX-repressorA</p>
 
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<p>pB-repressorA-reporterB-activatorY-pY-repressorB</p>
 
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<img src ="https://static.igem.org/mediawiki/2014/b/ba/Sumi_AB.png" class = "figure" />
 
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<p>This additional circuit essentially contains toggle switch structure.Therefore, change of dominance relation between A and B can be converted into a pulse with transition from a stable point to another which can be used as input in our circuit. Consequently, this additional circuit is thought to be an AD converter and if elementB is constant this can trace elementA by regarding reporterA as a spokesman.If A is industrial waste, this circuit can be a monitor of a milieu. </p>
 
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<p>As described above, our genetic circuit can be applied to much wider range of problems.</p>
 
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<h1>lab note</h1><br>
 
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<h3>7,14,2014</h3><br>
 
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<br>
 
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<h3>Lab member</h3> Yoshikawa,Nakashima<br>
 
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<br>
 
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<h3>Contents</h3><br>
 
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<h5>Making Plate Culture</h5><br>
 
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Ampicillin *10<br>
 
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Chloramphenicol*6<br>
 
-
 
-
<h3>7,15,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>Making DW 100mL</h5><br>
 
-
<br>
 
-
<h5>TF</h5><br>
 
-
4-17F(A-1), 4-4E(A-2), 3-19O(A-3), 3-4G(A-4), 4-1N(A-6), 3-3F(A-8), 4-13L(B-10)<br>
 
-
<br>
 
-
<h3>7,16,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
A-2:No colony<br>
 
-
<h5>TF</h5>A-2(recovery)<br>
 
-
<h5>preculture</h5>A-1, A-3, A-4, A-6, A-8, B-10,<i>Escherichia coli</i> JM109(for competent cell)<br>
 
-
<br>
 
-
<h3>7,17,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
A-2:There are something like colonies.<br>
 
-
Making glycerol stock/<h5>miniprep</h5><br>
 
-
A-1, A-3, A-4, A-6, A-8<br>
 
-
All samples:consentration is low.<br>
 
-
B-10:disposed<br>
 
-
<br>
 
-
<h5>making reagent</h5><br>
 
-
LB: 500mL<br>
 
-
50mM CaCl2: 400mL<br>
 
-
50mM CaCl2/ 20% glycerol: 200mL<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
 
-
A-1 #1<br>
 
-
A-2 #1 #2<br>
 
-
A-3 #1<br>
 
-
A-4 #1 <br>
 
-
A-6 #1<br>
 
-
A-8 #1<br>
 
-
B-10 #1 #2<br>
 
-
<i>E. coli</i> JM109（for competent cell）<br>
 
-
<br>
 
-
#:colony number<br>
 
-
<br>
 
-
<h3>7,18,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-1,A-3,A-6:from culture 2.5ml OK<br>
 
-
A-4,A-8:from culture 1.5ml OK<br>
 
-
A-2#1:made glycerol stock. Low consentration.<br>
 
-
B-10#1:Low consentration.<br>
 
-
A-2#2,B-10#2:did not grow<br>
 
-
<br>
 
-
<h5>Making competent cell</h5><br>
 
-
100uL*120<br>
 
-
<br>
 
-
<h5>making reagent</h5><br>
 
-
（2000×）Ampicillin 3ｍL　（100mg/mL）<br>
 
-
<br>
 
-
<h3>7,22,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>Cut check</h5><br>
 
-
A-4 (81ng/μL):ES Cut,XP cut.Checked in 1.5h, 2h, 2.5h, 3h:OK<br>
 
-
Left:1kbp Ladder/A-4(Control)/ES 1.5h/ES 2h/ES 2.5h/ES 3h<br>
 
-
Right:1kbp Ladder/A-4(Control)/XP 1.5h/XP 2h/XP 2.5h/XP 3h<br>
 
-
(ここに写真20140722_1を貼付）<br>
 
-
<br>
 
-
<h5>TF</h5><br>
 
-
We measured cfu of competent cell we made.<br>
 
-
We used Efficiency Kit （RFP Construct on pSB1C3）in distribution Kit.<br>
 
-
<h5>TF</h5> : 50pg, 20pg, 10pg, 5pg<br>
 
-
competent cell:25uL<br>
 
-
Sprinkling:100uL<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
B-10 #3, A-4<br>
 
-
<br>
 
-
<h3>7,23,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
plate check:Did not grow.<br>
 
-
<br>
 
-
<h5>miniprep</h5><br>
 
-
A-4, B-10 #3(made glycerol stock):OK<br>
 
-
<br>
 
-
Making plate<br>
 
-
200ml,CP*10<br>
 
-
<br>
 
-
<h3>7,28,2014</h3>
 
-
<h3>Lab member</h3>Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion,gel extraction</h5><br>
 
-
A-6 SP, B-10 XP：disposed<br>
 
-
100bp Ladder, A-6 SP, B-10 XP, NC<br>
 
-
(ここに20140728_1を貼付）<br>
 
-
(wrote at 0731<br>
 
-
A-6<br>
 
-
band near 2kbp:SP cut or single cut<br>
 
-
band near 1.5kbp:Plasmid)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
A-6 #1, B-10 #1<br>
 
-
1kbp Ladder, A-6, B-10, NC<br>
 
-
(ここに20140728_2を貼付)<br>
 
-
A-6:OK,B-10:wrong<br>
 
-
<br>
 
-
<h5>Measuring cfu</h5><br>
 
-
competent cell:50uL<br>
 
-
<br>
 
-
<h3>7,29,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
Plate check:All Plates did not grow.<br>
 
-
<br>
 
-
<h5>TF</h5><br>
 
-
B-10 by electroporation.<br>
 
-
<br>
 
-
<h5>Measuring cfu</h5><br>
 
-
A-1:13,65,130pg<br>
 
-
<br>
 
-
<h5>Electrophoresis check</h5><br>
 
-
1kbp Ladder, A-6(Plasmid), NC<br>
 
-
(ここに20140729_1を貼付）<br>
 
-
There is band in 1500kbp,so 1500kbp in 0728 may be rest of cutting.<br>
 
-
No contamination in Dye.<br>
 
-
<br>
 
-
<h3>7,30,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>colony check</h5><br>
 
-
cfu:Did not grow<br>
 
-
B-10:One colony<br>
 
-
<br>
 
-
<h5>Cut check</h5><br>
 
-
We checked whether A-6 band in 0728 was rest of cutting.<br>
 
-
A-1 SP cut:checked on different times.<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
B-10(from Plate made in 0729)<br>
 
-
<br>
 
-
1kbp Ladder, 1.5h, 2h, 2.5h, B-10(colony PCR), NC<br>
 
-
（ここに20140730_1を貼付）<br>
 
-
band near 800bp:<i>RFP</i> between <i>Spe1</i> site and <i>Pst1</i> site of A-1.<br>
 
-
band near 2kbp:Backbone cut by SP cut<br>
 
-
band near 3kbp:rest of cutting<br>
 
-
<br>
 
-
1.5h:incompletely cut<br>
 
-
2h,2.5h:OK<br>
 
-
We decided 2h for digestion.<br>
 
-
B-10:OK<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
B-10<br>
 
-
<br>
 
-
<h3>7,31,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
B-10 #1（from 140729 Plate）(made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion,gel extraction</h5><br>
 
-
A-6 SP, B-10 XP<br>
 
-
<br>
 
-
1kbp Ladder, A-6, B-10<br>
 
-
（ここに20140731_1を貼付）<br>
 
-
B-10:incomplete cut<br>
 
-
others:OK<br>
 
-
<br>
 
-
<h5>ligation</h5><br>
 
-
C-7 (A-6 SP + B-10 XP)<br>
 
-
<br>
 
-
<h3>8,1,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>TF</h5><br>
 
-
C-7（Chemical & EP）<br>
 
-
<br>
 
-
<h5>ligation Check</h5><br>
 
-
PCR reaction primed with Universal Primer, using ligation products as template.<br>
 
-
（ここに20140801_1を貼付）<br>
 
-
OK!<br>
 
-
<br>
 
-
<h3>8,4,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>Plate check</h5><br>
 
-
No colony<br>
 
-
<br>
 
-
<h5>digestion</h5><br>
 
-
A-6 SP, B-10 XP<br>
 
-
<br>
 
-
<h5>Electrophoresis</h5><br>
 
-
1kbp Ladder, A-6, B-10<br>
 
-
(ここに20140804_1を貼付）<br>
 
-
Incomplete cut.Disposed.<br>
 
-
<h5>preculture</h5><br>
 
-
B-10<br>
 
-
<br>
 
-
<h3>8,5,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
B-10　→Sample Lost!　Bye bye, <i>GFP</i>!<br>
 
-
<br>
 
-
<h5>Cut check</h5><br>
 
-
SP(A-1), XP(A-1), EX(A-4), ES(A-4)<br>
 
-
2h, 2.5h, 3h <br>
 
-
<br>
 
-
<h5>Elrctrophoresis</h5><br>
 
-
1kbp Ladder, A-1, A-1 SP(2h, 2.5h, 3h), A-1 XP(2h,2.5h, 3h), A-4,<br>
 
-
A-4 EX(2h, 2.5h 3h), A-4 ES(2h, 2.5h, 3h), None, 1kbp Ladder<br>
 
-
（ここに20140805_1を貼付）<br>
 
-
Incomplete cut.<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
A-1, A-4, B-10<br>
 
-
<br>
 
-
<h3>8,6,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-1, A-4, B-10<br>
 
-
<br>
 
-
<h5>digestion, gel extraction</h5><br>
 
-
A-6 SP, B-10 XP<br>
 
-
<br>
 
-
1kbp Ladder, A-6, B-10
 
-
(ここに20140806_1を貼付）<br>
 
-
A-6:OK<br>
 
-
B-10:Incomplete cut<br>
 
-
(ここに20140806_2を貼付）<br>
 
-
<br>
 
-
We chenged restriction enzyme.<br>
 
-
B-10 XP<br>
 
-
(ここに20140806_3を貼付）<br>
 
-
OK!<br>
 
-
（ここに20140806_4を貼付）<br>
 
-
<br>
 
-
<h5>making gel</h5>200ml<br>
 
-
<br>
 
-
<h5>ligation</h5><br>
 
-
C-7（A-6 SP + B-10 XP）<br>
 
-
<br>
 
-
<h5>TF</h5><br>
 
-
4-11L, C-7<br>
 
-
<br>
 
-
<h3>8，7,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Tara,Itoh,Tsukada<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>colony PCR</h5><br>
 
-
C-7<br>
 
-
(ここに20140807_1を貼付）<br>
 
-
(ここに20140807_2を貼付）<br>
 
-
All bands are self ligation of backbone.<br>
 
-
<br>
 
-
<h5>digestion, gel extraction</h5><br>
 
-
A-6 SP, B-10 XP<br>
 
-
<br>
 
-
1kbp Ladder, B-10, A-6<br>
 
-
(ここに20140807_3を貼付）<br>
 
-
<h5>ligation</h5><br>
 
-
C-7 (A-6 SP + B-10 XP)<br>
 
-
<br>
 
-
<h5>Cut check</h5> (O/N)<br>
 
-
（enzyme-buffer)
 
-
S-B, S-H*, S-M*, P*-FD, E-FD<br>
 
-
*:Takara's product<br>
 
-
<br>
 
-
<h3>8,8,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Nakamura,Yamanaka,Yoshikawa(Fresh),Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>Cut check sample Electrophoresis</h5><br>
 
-
<br>
 
-
1kbp Ladder, S-B, S-H*, S-M*, NC, E-FD, P*-FD<br>
 
-
(ここに20140808_1を貼付）<br>
 
-
FD buffer is appropriate for SP cut.<br>
 
-
<br>
 
-
<h5>digestion, gel extraction</h5><br>
 
-
A-6 SP, B-10 XP<br>
 
-
(ここに20140808_2を貼付）<br>
 
-
(ここに20140808_3を貼付）<br>
 
-
OK!<br>
 
-
<br>
 
-
<h5>ligation</h5><br>
 
-
C-7 (A-6 SP + B-10 XP)<br>
 
-
<br>
 
-
<h5>TF</h5><br>
 
-
C-7,4-11L(culture in test tube) <br>
 
-
<br>
 
-
<h5>overlap extension PCR →PCR clean up</h5><br>
 
-
1+2<br>
 
-
anealing 57℃,extension 10 sec, 30 cycle.<br>
 
-
<br>
 
-
100bp Ladder, Pecf11, Pecf20, crRBS, taRNA<br>
 
-
(ここに20140808_4を貼付)<br>
 
-
OK!(low concentration)<br>
 
-
<br>
 
-
<h5>making gel</h5>200ml<br>
 
-
<br>
 
-
<h3>8,9,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>Plate and test tube check</h5><br>
 
-
4-11L:OK!mixed with glycerol, and conserved in -80℃.<br>
 
-
C-7:OK! conserved in refrigerator.<br>
 
-
<br>
 
-
<h3>8,11,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Yamanaka,Nakamura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>colony PCR</h5><br>
 
-
C-7 #1~11<br>
 
-
#1~4, NC<br>
 
-
（ここに20140811_1を貼付）<br>
 
-
#5~11,NC<br>
 
-
(ここに20140811_2を貼付)<br>
 
-
#10 is OK!<br>
 
-
<br>
 
-
<h5>overlap extension PCR →PCR clean up</h5><br>
 
-
Pecf11, Pecf20, crRBS, taRNA
 
-
(1+2)+3,PCR product<br>
 
-
1kbp Ladder, Pecf11(1+2+3), Pecf20(1+2+3), crRBS(1+2+3)<br>
 
-
taRNA(1+2+3), Pecf11(all), Pecf20(all), crRBS(all), taRNA(all)<br>
 
-
(ここに20140811_3を貼付）<br>
 
-
<br>
 
-
<h5>Making Plate</h5><br>
 
-
Ampicillin*20<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
A-6, B-10, C-7 #10<br>
 
-
<br>
 
-
<h3>8,12,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Nakamura,Yamanaka,Yoshikawa(Fresh),Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-6, B-10, C-6 #10 (made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion →gel extraction</h5><br>
 
-
A-8 EX, C-6 ES, pSB1A2(A-1) XP *2 sample, A-9 linear XP<br>
 
-
A-10 linear XP, A-7 linear XP, B-1 linear XP<br>
 
-
<br>
 
-
1kbp Ladder, A-1 XP, A-1 XP, A-8 EX, C-6 ES<br>
 
-
(ここに20140812_1を貼付）<br>
 
-
C-6:wrong<br>
 
-
A-1:OK!<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
4-11L<br>
 
-
(ここに20140812_2を貼付）<br>
 
-
OK!<br>
 
-
<h5>ligation →TF</h5><br>
 
-
A-9, A-10, A-7, B-1<br>
 
-
<br>
 
-
<h5>Making　reagent</h5><br>
 
-
LB 800ml<br>
 
-
<br>
 
-
<h3>8,13,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Tara,Nakamura,Takemura,Tsukada<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
4-11L（made glycerol stock）<br>
 
-
<br>
 
-
<h5>digestion→ gel extrction</h5><br>
 
-
A-8 EX, C-6 ES, A-6 SP, 4-11L XP<br>
 
-
<br>
 
-
1kbp Ladder, A-6 SP, A-8 EX, C-6 ES, 4-11L XP<br>
 
-
(ここに20140813_1貼付）<br>
 
-
(ここに20140813_2貼付)<br>
 
-
C-6:Incomplete cut<br>
 
-
Backbone of 4-11L said to be pSB1A2, but ,actually,may be pSB1AK3.<br>
 
-
<br>
 
-
<h5>ligation→TF</h5><br>
 
-
D-7 (4-11L XP + A-6 SP), D-7(C-6 ES + A-8 EX)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
A-7 #1~2, A-9 #1~4, A-10 #1~4, B-1 #1~2 ,100bp Ladder<br>
 
-
(ここに20140813_3を貼付)<br>
 
-
A-7 #1, A-10 #4：OK!<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
A-8, C-6, A-7 #1, A-10 #4<br>
 
-
<br>
 
-
<h3>8,14,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Tara,Takemura,Nakamura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-7 #1（made glycerol stock）, A-10 #4（made glycerol stock）, A-8, C-6<br>
 
-
<br>
 
-
<h5>overlap extension PCR</h5><br>
 
-
Pecf 11, Pecf 20, crRBS, taRNA<br>
 
-
(35 cycles, annealing in 59℃)<br>
 
-
<br>
 
-
<h5>digestion → gel extranction</h5><br>
 
-
A-7 SP, 4-11L XP, pSB1A2 (B-10), A-7 linear XP<br>
 
-
A-9 linear XP, A-10 linear XP, B-1 linear XP<br>
 
-
<br>
 
-
1kbp Ladder, A-7 SP, 4-11L XP<br>
 
-
(ここに20140814_1を貼付)<br>
 
-
(ここに20140814_2を貼付)<br>
 
-
OK!<br>
 
-
A-10 XP, 100bp Ladder<br>
 
-
(ここに20140814_3を貼付)<br>
 
-
OK!(low concentration)<br>
 
-
<br>
 
-
100bp Ladder, pSB1A2(B-10), pSB1A2(B-10), A-7, A-9, B-1 <br>
 
-
(ここに20140814_4を貼付)<br>
 
-
(ここに20140814_5を貼付）<br>
 
-
Incomplete cut of pSB1A2 is weigh on our mind.<br>
 
-
<br>
 
-
<h5>gel making</h5><br>
 
-
2% 25mL<br>
 
-
1% 200mL<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
D-7(Ampicillin), D-7(Chloramphenicol)<br>
 
-
<br>
 
-
1kbp Ladder, D-7(Amp) #1~4, D-7(CP)  #1~4<br>
 
-
(ここに20140814_4を貼付)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
D-6 (A-7 SP + 4-11L XP), A-7 (linear XP + pSB1A2 XP)<br>
 
-
A-9, A-10, B-1 (linear XP + pSB1A2 XP)<br>
 
-
<br>
 
-
<h3>8,15,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Tara,Takemura,Nakamura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
D-7 #3 (made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-10 SP, D-7 XP<br>
 
-
(ここに20140815_1を貼付)<br>
 
-
(ここに20140815_2を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
A-7 #1~4, A-9 #1~4, A-10 #1~4, B-1 #1~4, D-6 #1~4<br>
 
-
(ここに20140815_3を貼付)<br>
 
-
A-7 #3,4, A-10 #1,2,4, B-1 #1,2,4：OK!<br>
 
-
<br>
 
-
D-6<br>
 
-
(ここに20140815_4を貼付)<br>
 
-
OK!<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
E-18 (A-10 SP + D-7 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
A-7 #3,4, A-10 #1,2,4, B-1 #1,2,4, D-6 #1<br>
 
-
<br>
 
-
<h3>8,16,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-7 #3,4, A-10 #1,2,4, B-1 #1,2,4, D-6 #1<br>
 
-
(made glycerol stock)<br>
 
-
<br>
 
-
8,18,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Hiura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-1 SP, A-2 SP, A-3 SP, D-6 XP *2, A-7 #3,4, B-10<br>
 
-
(ここに20140818_1を貼付)<br>
 
-
<br>
 
-
<h5>sequence</h5><br>
 
-
A-7, A-7 #3,4, A-10, A-10 #1,2,4, B-1 #1,2,4<br>
 
-
C-6 F, C-6 R, D-7 F, D-7 R, D-6 F, D-6 R<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
E-18 #1~3<br>
 
-
(ここに20140818_2を貼付)<br>
 
-
OK!<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
E-14 (A-3 SP + D-6 XP)<br>
 
-
E-15 (A-1 SP + D-6 XP)<br>
 
-
E-16 (A-2 SP + D-6 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
E-18 #1<br>
 
-
<br>
 
-
<h3>8,19,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakamura,Yamanaka,Yoshikawa(Fresh)<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
E-18 (made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion</h5> <br>
 
-
A-8 XP, B-1 #1,2,4 SP<br>
 
-
→Today, sequences of these dna proved to be wrong, so we disposed them.<br>
 
-
<br>
 
-
<h5>making gel</h5><br>
 
-
2% gel:25ml<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
C-5, E-14, E-15,E-16<br>
 
-
<br>
 
-
<h5>sequence</h5><br>
 
-
A-7:RBS<br>
 
-
A-7 #3:none<br>
 
-
A-7 #4:none<br>
 
-
A-10:OK<br>
 
-
B-1: all none<br>
 
-
<br>
 
-
<h3>8,20,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakamura,Tsukada,Yamanaka,Itoh<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>PCR</h5><br>
 
-
sigma11, sigma20, anti11, anti20<br>
 
-
 
-
<h5>TF</h5><br>
 
-
1-21P<br>
 
-
<br>
 
-
<h3>8,21,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
pSB1C3(A-4), A-6, B-3(We did not extract.), A-6'(NEB buffer)<br>
 
-
(ここに20140821_1を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
A-2, A-3, A-4, 1-21P, NC<br>
 
-
(ここに20140821_2を貼付)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
B-3, C-2, C-2'<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
1-21P<br>
 
-
<br>
 
-
<h3>8,22,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakamura,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
1-21P(made glycerol stock)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
B-3, C-2, C-2<br>
 
-
(ここに10140822_1を貼付)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
1-21P SP, D-7 XP, C-6 E, C-6 P, C-6(NC)<br>
 
-
(ここに20140822_2を貼付)<br>
 
-
(ここに20140822_3を貼付)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
K-1(1-21P SP + D-7 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
B-3 #1,4, D-7, C-2 #1,3, C-2' #3,4<br>
 
-
<br>
 
-
<h3>8,23,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
D-7, B-3 #1,4, C-2 #1,3, C-2' #3,4<br>
 
-
<br>
 
-
<h3>8,25,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Nakamura,Yamanaka,Hiura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-8 EX *2, B-3 #1 ES, B-3 #4 ES, C-2 #1 ES, C-2 #3 ES<br>
 
-
(ここに20140825_1を貼付)<br>
 
-
(ここに20140825_2を貼付)<br>
 
-
<br>
 
-
<h5>Plate　making</h5><br>
 
-
Ampicillin*10, Chloramphenicol*20<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
K-1<br>
 
-
(ここに20140825_3を貼付)<br>
 
-
#1,4:OK!<br>
 
-
<br>
 
-
<h5>sequence</h5><br>
 
-
B-3 #1,4, C-2 #1,3, C-2' #3,4, E-18, A-2, A-3<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
D-3 1 (A-8 EX + C-2 #1 ES), D-3 2(A-8 EX + C-2 #3 ES)<br>
 
-
C-10 1(A-8 EX + B-3 #1 ES), C-10 2(A-8 EX + B-3 #4 ES)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
A-2, A-8, K-1 #1, C-2 #1,3, B-3 #1<br>
 
-
<br>
 
-
<h3>8,26,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Yamanaka,Takemura,Tsukada<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
K-1(made glycerol stock), A-2, A-8, B-3 #1, C-2 #1, C-2 #3<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
D-3 (1), D-3 (2), C-10 (1), C-10 (2)<br>
 
-
(ここに20140826_1を貼付)<br>
 
-
OK!(C-10(1)#4 may be a little shorter.)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
K-2 linear EP, K-3 linear EP, K-4 limear EP, K-5 linear EP, pSB1C3 (A-4) EP<br>
 
-
(ここに20140826_2を貼付)<br>
 
-
We forgot to take the photo before we sliced the band.<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
K-2, K-3, K-4, K-5<br>
 
-
 
-
<h5>preculture</h5><br>
 
-
D-3 #1, C-10 #1<br>
 
-
 
-
<h5>sequence</h5><br>
 
-
A-2:E-X-S-S-Pconst(weak)-S-P  wrong <h5>sequence</h5><br>
 
-
A-3:OK<br>
 
-
B-3 #1:OK<br>
 
-
B-3 #4:OK<br>
 
-
C-2 #1:OK<br>
 
-
C-2 #3:OK<br>
 
-
C-2' #3:point mutation *2<br>
 
-
C-2' #4:OK<br>
 
-
E-18:OK<br>
 
-
<br>
 
-
<h3>8,27,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Yoshikawa(fresh),Itoh,Tara,Nakamura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
D-3, C-10(made glycerol stock)<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-1 SP, A-3 SP, A-10 SP, D-3 XP *2<br>
 
-
(ここに20140827_1を貼付)<br>
 
-
(ここに20140827_2を貼付)<br>
 
-
D-3 is a little strange.Contamination?<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
K-2~5 #1~4<br>
 
-
*100bp Ladder<br>
 
-
(ここに20140827_3を貼付)<br>
 
-
500bp band:self ligation of backbone(A-4 200bop) <br>
 
-
300bp band:If this band is blank vector, this band(EP cut) must be shorter than 300bp.<br>
 
-
So, this band is OK!.<br>
 
-
→K-2 #4, K-3 #1, K-4 #1,2, K-5 #2,3,4:OK!<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
E-5(A-3 SP + D-3 XP), E-6(A-1 SP + D-3 XP), E-20(A-10 SP + D-3 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
E-15<br>
 
-
D-3, C-10(Recovery)<br>
 
-
K-2 #4, K-3 #1, K-5 #2<br>
 
-
<br>
 
-
<h5>Remarks</h5><br>
 
-
(ここに20140827_4を貼付)<br>
 
-
We observed that <i>pCMV</i> expressed in <i>Escherichia.coli</i>.<br>
 
-
Left:<i>pCMV-GFP</i><br>
 
-
Right:<i>pConst(strong)-GFP</i><br>
 
-
We may be able to carry out the characterization of <i>pCMV</i> and meet the gold medal requirement(parts implovement).<br>
 
-
<br>
 
-
<h3>8,28,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Itoh,Tara,Tsukada,Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
K-2~5, E-23(made glycerol stock)<br>
 
-
C-10, D-3<br>
 
-
<br>
 
-
<h5>digestion →gel extraction</h5><br>
 
-
K-2 EX, K-3 EX, K-4 EX, K-5 EX, E-23 EP, C-6 ES *2, pSB1C3(A-4) EP, pSB1C3(A-4) XP<br>
 
-
(ここに20140828_1を貼付)<br>
 
-
(ここに20140828_2を貼付)<br>
 
-
→pSB1C3 XP:keep in freezer<br>
 
-
<br>
 
-
<h5>overlap extension PCR</h5><br>
 
-
A-7, A-9, B-1, B-2, D-8, D-9<br>
 
-
<br>
 
-
<h5>check & colony PCR</h5><br>
 
-
check:E-5, E-6<br>
 
-
colony PCR:(E-5 #1~4, E-6 #1~4, NC), A-7, A-9, D-8, B-1, B-2, D-9<br>
 
-
(ここに20140828_3を貼付)<br>
 
-
A-7, A-9, B-1, D-8:OK!<br>
 
-
B-2, D-9:Needs retry in higher concentration.<br>
 
-
E-5 #2~4, E-6:OK!<br>
 
-
<h5>ligation → TF</h5><br>
 
-
E-23'(E-23 EP + pSB1C3 EP), L-1~4(C-6 ES + K-2~5 EX)<br>
 
-
<br>
 
-
<h3>8,29,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Nakamura,Tara,Tsukada,Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
E-5(made glycerol stock)<br>
 
-
A-4, C-6<br>
 
-
E-6:No colony<br>
 
-
<br>
 
-
<h5>digestion →gel extraction</h5><br>
 
-
A-7 linear XP, A-9 linear XP, A-10 SP, B-1 linear XP, D-3 XP, D-8 linear XP, E-5 SP, E-18 XP<br>
 
-
(ここに20140829_1を貼付)<br>
 
-
(ここに20140829_2を貼付)<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
B-2, D-9(retry)<br>
 
-
<br>
 
-
<h5>check & colony PCR</h5><br>
 
-
E-23' #1~4, B-2, D-9<br>
 
-
(ここに20140829_3を貼付)<br>
 
-
L-1~4<br>
 
-
(ここに20140829_4を貼付)<br>
 
-
E-23 #1, L-1 #2,4, L-2 #4, L-3 #1~3, L-4 #2,4:OK!<br>
 
-
PCR:failed<br>
 
-
<br>
 
-
<h5>sequence</h5> order<br>
 
-
E-23, K-1, K-2~5<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
A-7, A-9, B-1, D-8( linear XP + pSB1C3 XP)<br>
 
-
F-2 (E-18 XP + E-5 SP), E-20(A-10 SP + D-3 XP) <br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
A-10, E-6, E-18, E-23', K-3, L-1~4<br>
 
-
<br>
 
-
<h3>8,30,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-10, E-18, K-3<br>
 
-
L-1~4, E-23', E-6, E-18(made glycerol stock)<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
B-2, D-9<br>
 
-
<br>
 
-
<h3>9,1,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Itoh,Tara,Tsukada,Takemura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>PCR clean up</h5><br>
 
-
B-2, D-9<br>
 
-
(ここに20140901_1を貼付)<br>
 
-
failed<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
L-4 ES, E-6 ES, E-18 EX, L-1~3 ES, K-2~5 EX<br>
 
-
<br>
 
-
(ここに20140901_2を貼付)<br>
 
-
(ここに20140901_3を貼付)<br>
 
-
<h5>Making plate</h5><br>
 
-
CP *30<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
A-7 #1~4, A-9 #1<br>
 
-
(ここに20140901_4を貼付)<br>
 
-
OK!<br>
 
-
D-8 #1~4, E-20 #1~4, F-2 #1~4 (100bp Ladder)<br>
 
-
(ここに20140901_5を貼付)<br>
 
-
D-8 #1~4, E-20 #1~4,F-2#1,4:OK!<br>
 
-
B-1 #1~4<br>
 
-
(ここに20140901_6を貼付)<br>
 
-
OK!<br>
 
-
<br>
 
-
<h5>Ligation</h5> <br>
 
-
G-5 (E-6 ES + E-18 EX), M-1~4(K-2~5 EX + L-1~4 ES)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
A-7 #1~4, A-9 #1, B-1 #1~4, D-8 #1~4, F-2, E-20<br>
 
-
<br>
 
-
<h3>9,2,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Hiura,Tara,Tsukada,Takemura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-7 #1~4, A-9, B-1 #1~4, D-8 #1~4, F-2, E-2(made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-4 SP, A-7 SP #1, A-7 SP #2, A-9 SP<br>
 
-
(ここに20140902_1を貼付)<br>
 
-
(ここに20140902_2を貼付)<br>
 
-
A-8XP<br>
 
-
(ここに20140902_3を貼付)<br>
 
-
(ここに20140902_4を貼付)<br>
 
-
<br>
 
-
B-1 #1, B-1 #2, B-3 XP, B-10 XP, D-7 XP, D-8 XP, E-20 XP, F-2 SP<br>
 
-
(ここに20140902_5を貼付)<br>
 
-
(ここに20140902_6を貼付)<br>
 
-
D-8:???<br>
 
-
<br>
 
-
<h5>sequence</h5><br>
 
-
A-7 #1~4, B-1 #1~4<br>
 
-
D-8 #1~4<br>
 
-
A-9, A-4, E-5, E-6, E-20<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
B-2, D-9<br>
 
-
<br>
 
-
<h5>check & colony PCR</h5><br>
 
-
M-1~3 #1~4<br>
 
-
(ここに20140902_7を貼付)<br>
 
-
OK!<br>
 
-
M-4 #1~4, B-2, D-9, PC(VF2→B-10←VR )<br>
 
-
NC, G-5<br>
 
-
(ここに20140902_8を貼付)<br>
 
-
M-4 #1~4,PC(VF2→B-10←VR ):OK!<br>
 
-
(M-4 #2~4 is a little longer?)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
C-4(A-7 SP + B-3 XP), C-5(A-7 SP + B-10 XP), E-17(A-9 SP + D-7 XP)<br>
 
-
D-1(B-1 SP + D-8 XP), E-21(A-4 SP + D-8 XP), J-4 (F-2 SP + E-20 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
M-1~4 #1, G-5 #1, E-20<br>
 
-
<br>
 
-
<h5>We got a result!!</h5><br>
 
-
simpler version of assay 1.<br>
 
-
Left:Pσ11→GFP generator<br>
 
-
Right:Pconst(strong)→σ11 generator & Pσ11→GFP generator<br>
 
-
(ここに20140902_9を貼付)<br>
 
-
<br>
 
-
<h3>9,3,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Hiura,Tara,Yamanaka,Takemura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
M-1~4, G-5(made glycerol stock of M-3,4)<br>
 
-
<br>
 
-
<h5>sequence</h5><br>
 
-
A-4: OK<br>
 
-
A-7: all OK<br>
 
-
A-9: OK<br>
 
-
B-1:all OK<br>
 
-
D-8#1: NG (2 skip)<br>
 
-
    #2; OK<br>
 
-
    #3: NG (1 mut.)<br>
 
-
    #4; NG (2 mut. 2 skip)<br>
 
-
E-5: OK<br>
 
-
E-6: OK<br>
 
-
E-20:OK<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-7 #1, 2 SP, C-9 XP, C-10 XP, K-2~4 EX, M-1~4 ES<br>
 
-
(ここに20140903_1を貼付)<br>
 
-
(ここに20140903_2を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
C-4 a, C-5 a, D-1 a, E-17<br>
 
-
(ここに20140903_3を貼付)<br>
 
-
C-4 a#2,3, C-5 a, D-1 a, E-17:OK!<br>
 
-
E-21 b, J-4<br>
 
-
(ここに20140903_4を貼付)<br>
 
-
J-4:wrong<br>
 
-
E-21:a little shorter<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
B-2, D-9, B-7, B-2(Taq), D-9(Taq)
 
-
Taq:positive control<br>
 
-
anealing temperature:51℃～61℃(gradient)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
D-5 (A-7 SP + C-10 XP), D-6 (A-7 SP + C-9 XP), N-1~4 (M-1~4 ES + K-2~5 EX)<br>
 
-
N-5 (M-1 ES K-3 EX), N-6 (M-3 ES + K-5 EX)<br>
 
-
<br>
 
-
<h3>9,4,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Nakamura,Tara,Yamanaka,Tsukada<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
E-20, D-1(made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
pSB1C3 (A-4) XS, pSB1C3 (A-4) XP, A-3 SP, D-1 XP<br>
 
-
(ここに20140904_1を貼付)<br>
 
-
(ここに20140904_2を貼付)<br>
 
-
<br>
 
-
<h5>PCR check & clean up</h5><br>
 
-
D-9 #1,3,5,7,9
 
-
(ここに20140904_3を貼付)<br>
 
-
There are bands in #5,7,9<br>
 
-
B-2 1,3,5,7,9,11, B-7.<br>
 
-
(ここに20140904_4を貼付)<br>
 
-
There are bands in B-2 #5,7, B-7.<br>
 
-
B-2 4,6, D-9 10,11,12<br>
 
-
(ここに20140904_5を貼付)<br>
 
-
OK!<br>
 
-
We decided to clean up B-2 #5, D-9 #11, B-7.
 
-
<br>
 
-
<h5>Making Plate</h5><br>
 
-
CP *30<br>
 
-
<br>
 
-
<h5>digestion</h5><br>
 
-
B-2 linear SP, D-9 linear XP, B-7 linear XP<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
D-5, D-6, N-1, N-2 #1~4<br>
 
-
(ここに20140904_6を貼付)<br>
 
-
D-5, D-6, N-1, N-2 #1,2:OK!<br>
 
-
N-3~6 #1~4<br>
 
-
(ここに20140904_7を貼付)<br>
 
-
N-3,N-4#1,3,4,N-5#1,4,N-6:OK!<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
E-1 (A-3 SP + D-1 XP), B-2 (B-2 linear XP + pSB1C3 XP), D-9 (D-9 linear XP + pSB1C3 XP)<br>
 
-
B-7 (B-7 linear XP + pSB1C3 XP), Emp. (pSB1C3 XS)<br>
 
-
<br>
 
-
<h5>miniprep</h5><br>
 
-
M-1, M-2, C-4, C-5, E-17, E-21, J-4 (made glycerol stock)<br>
 
-
K-2, K-5, C-9<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
F-2, D-5, D-6, N-1~6<br>
 
-
<br>
 
-
<h3>9,5,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Nakamura,Takemura,Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
F-2<br>
 
-
N-1~6, D-5, D-6<br>
 
-
→N-1, 2, 4, 5. 6 :failed<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-1 SP, A-3 SP, D-5 XP, D-6 SP, E-20 XP, K-4 EX, N-3 ES, F-2 SP<br>
 
-
J-4 E(check)<br>
 
-
(ここに20140905_1を貼付)<br>
 
-
(ここに20140905_2を貼付)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
E-11 (A-3 SP + D-5 XP), E-12 (A-1 SP + D-5 XP), E-14 (A-3 SP + D-6 SP)<br>
 
-
E-15 (A-1 SP + D-6 XP), O-3 (K-4 EX + N-3 ES)<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
B-2, D-9, B-7<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
B-2, B-7, D-9, E-1　#1~4<br>
 
-
(ここに20140905_3を貼付)<br>
 
-
B-7 #2,3, D-9 #1, E-1 #3,4:OK!<br>
 
-
Z-1 #2~4<br>
 
-
(ここに20140905_3を貼付)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
B-7 #2,3, D-9 #1, E-1 #3, Z-1 #2, K-3, N-1,2,4~6<br>
 
-
<br>
 
-
<h3>9,6,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
B-7 #2,3, D-9 #1, E-1 #3, Z-1 #2 (made glycerol stock)<br>
 
-
N-1,2,4~6, K-3<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
B-2, D-9, B-7<br>
 
-
<br>
 
-
<h5>check & colony PCR</h5><br>
 
-
B-2, D-9, B-7, B-2#5~8, B-7 #2,3,5,6, D-9 #5,6.7,8<br>
 
-
(ここに20140906_1を貼付)<br>
 
-
<br>
 
-
<h3>9,8,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Nakamura,Takemura,Yamanaka,Tara<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion → gel extaction</h5><br>
 
-
B-2 linear XP (did not extracted)<br>
 
-
N-1,2,4~6 ES<br>
 
-
(ここに20140908_1を貼付)<br>
 
-
(ここに20140908_2を貼付)<br>
 
-
A-4 SP, pSB1C3 (A-4) XP, A-6 SP, B-7 #2 XP, B-7 #3 XP, D-9 #1 XP, K-2,3,5 EX<br>
 
-
(ここに20140908_3を貼付)<br>
 
-
B-7 #2, D-9 #1:disposed(incomplete cut)<br>
 
-
B-7 #3:disposed(a little longer)(This band proved to be correct.9/9 wrote)<br>
 
-
(ここに20140908_4を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
E-11,12,14,15 #1~4<br>
 
-
(ここに20140908_5を貼付)<br>
 
-
OK!<br>
 
-
O-3 #1,2<br>
 
-
(ここに20140908_6を貼付)<br>
 
-
#2:OK!<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
B-2<br>
 
-
(ここに20140908_7を貼付)<br>
 
-
B-7,D-9<br>
 
-
(ここに20140908_8を貼付)<br>
 
-
The band of the longest DNA is OK!<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
O-1 (N-1 ES + K-2 EX), O-2 (N-2 ES + K-3 EX), O-4 (N-4 ES + K-5 EX), O-5 (N-5 ES + K-3 EX)<br>
 
-
O-6 (N-6 ES + K-5 EX), B-2 (B-2 linear XP (9/8 <h5>PCR</h5>) + pSB1C3 XP)<br>
 
-
B-2' (B-2 linear XP + pSB1C3 XP), D-9, B-7 <br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
D-5, D-6, N-3, E-21, A-3, K-4<br>
 
-
E-11 #1, E-12 #1, E-14 #1, E-15 #1, O-3 #2, B-7 #6, D-9 #5,6<br>
 
-
<br>
 
-
<h3>9,9,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Nakamura,Takemura,Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
E-11,12,14,15, O-3, B-7 #6, D-9 #5,6 (made glycerol stock)<br>
 
-
D-5, N-3, K-4, A-3<br>
 
-
D-6:did not grow<br>
 
-
D-5:diposed(doubt of cross contamination)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
B-2 linear XP (did not extracted)<br>
 
-
pSB1C3 (A-4) XP, A-6 SP, A-8 EX, B-7 #6 XP, D-9 linear XP, B-7 linear , E-1 EX, E-14 ES, E-15 ES, O-3 ES<br>
 
-
(ここに20140909_1を貼付)<br>
 
-
(ここに20140909_2を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
B-2 #1~3, B-2' #1~4, B-7 #1~3, D-9 #1,2, O-1  #1~4<br>
 
-
(ここに20140909_3を貼付)<br>
 
-
B-2' #1, B-7 #1,2, O-1:OK!<br>
 
-
O-2,4,5,6 #1~4<br>
 
-
(ここに20140909_4を貼付)<br>
 
-
O-2,3,4,6,O-5#2,3,4<br>
 
-
<br>
 
-
<h5>sequence</h5><br>
 
-
B-7 #2: NG<br>
 
-
B-7 #3: OK<br>
 
-
D-9 #1: NG<br>
 
-
E-1: OK<br>
 
-
C-4: OK<br>
 
-
C-5: OK<br>
 
-
D-5: OK<br>
 
-
D-6: OK<br>
 
-
E-17: OK<br>
 
-
E-21: OK<br>
 
-
F-2: ?<br>
 
-
J-4: OK<br>
 
-
N-1: OK<br>
 
-
N-2: M-2<br>
 
-
N-3: OK<br>
 
-
N-4: M-4<br>
 
-
N-5: OK<br>
 
-
N-6: OK<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
D-9 (D-9 linear XP + pSB1C3 XP) *2, B-2 (B-2 linear XP + pSB1C3 XP)*2<br>
 
-
P-3 (O-3 ES + A-8 EX), I-1 (E-14 ES + E-1 EX), I-2 (E-15 ES + E-1 EX)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
F-2, D-5,6, D-9 #5,6, E-12, K-4<br>
 
-
O-1,2,4,6 #1, O-5 #2, B-2' #1<br>
 
-
<br>
 
-
<h3>9,10,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Hiura,Takemura,Yamanaka,Yoshikawa(Fresh)<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
O-1,5,6, N-2,4, F-2, B-2' #1 (made glycerol stock)<br>
 
-
E-12, K-4, D-5<br>
 
-
D-6:did not grow<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-6 SP, A-7 SP, A-8 EX, B-2' XP, B-7 XP<br>
 
-
(ここに20140910_1を貼付)<br>
 
-
(ここに20140910_2を貼付)<br>
 
-
K-3 EX, K-5 EX, O-1 ES, N-2 ES, N-4 ES<br>
 
-
(ここに20140910_3を貼付)<br>
 
-
(ここに20140910_4を貼付)<br>
 
-
O-5 ES, O-6 ES<br>
 
-
(ここに20140910_5を貼付)<br>
 
-
(ここに20140910_6を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
I-1 #1~4<br>
 
-
(ここに20140910_7を貼付)<br>
 
-
B-2(140909) #1~8, D-9 #1~8<br>
 
-
(ここに20140910_8を貼付)<br>
 
-
B-2 #2, D-9 all, I-1 #2~4, I-2 #1~4:OK!<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
O-2 (N-2 ES + K-3 EX), O-4 (N-4 ES + K-5 EX), P-1 (O-1 ES + A-8 EX), P-5 (O-5 ES + A-8 EX)<br>
 
-
P-6 (O-6 ES + A-8 EX), C-1' (B-2' XP + A-6 SP), C-3' (B-2 ' XP + A-7 SP), C-8 (B-7 XP + A-6 SP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
D-9 #5,6, D-9(140909) #1~4, B-2 (140909) #2, I-1 #2, I-2 #1, D-6 #1<br>
 
-
<br>
 
-
<h3>9,11,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Nakamura,Hiura,Itoh,Tsukada<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
D-9 #1~4, B-2 #2, I-1, I-2, D-6 (made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-1 EP, pSB1C3(A-3) EP *2, A-4 SP, A-6 SP, A-7 SP, A-8 EX, A-10 EX, B-2 #2 XP, E-6 EP, E-12 EP<br>
 
-
(ここに20140911_1を貼付)<br>
 
-
(ここに20140911_2を貼付)<br>
 
-
E-15 EP, E-18 EP, E-20 EP, D-9 #1 XP, O-3 ES<br>
 
-
(ここに20140911_3を貼付)<br>
 
-
(ここに20140911_4を貼付)<br>
 
-
<br>
 
-
<h5>sequence</h5><br>
 
-
B-2' #1, B-2 #2, F-2, E-11, E-12, E-14, E-15, O-1, N-2, O-3, N-4, O-5, O-6, D-9 #1~4<br>
 
-
<br>
 
-
<h5>Plate Making</h5><br>
 
-
CP *30<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
C-1', C-3', C-8, O-2, O-4 #1~3<br>
 
-
(ここに20140911_5を貼付)<br>
 
-
C-1', C-3', C-8, O-2, O-4 #1,2:OK!<br>
 
-
P-1, P-5, P-6 #1~3<br>
 
-
(ここに20140911_6を貼付)<br>
 
-
→P-1 #1~3, P-5 #2, P-6 #1~3:OK!<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
C-1 (A-6 SP + B-2 #2 XP), C-3 (A-7 SP + B-2 #2 XP)<br>
 
-
E-22a (A-4 SP + D-9 #1 XP), E-22b (A-4 SP + D-9 #2 XP), P-3 (O-3 ES + A-8 EX)<br>
 
-
A-10 CP, A-1 CP, E-6 CP, E-12 CP, E-20 CP, E-15 CP (replace backbone to pSB1C3)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
C-1' #1, C-3' #1, C-8 #1, O-2 #1, O-4 #1, P-1 #1, P-5 #2, P-6 #1, E-12,14,15,18, A-1, O-1,3,5<br>
 
-
<br>
 
-
<h3>9,12,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Hiura,Itoh,Tsukada,Tara<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
C-1', C-3', O-2, O-4, P-1, P-5, P-6 (made glycerol stock)<br>
 
-
E-12, E-14, E-15, O-1, O-3, O-5, E-18, A-1<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-6 SP, A-8 EX *2, B-2 XP, C-1' ES, C-3' ES, C-8 ES, K-6 SP, O-2 ES, O-3 ES, O-4 ES<br>
 
-
(ここに20140912_1を貼付)<br>
 
-
(ここに20140912_2を貼付)<br>
 
-
C-1,3:did not extracted<br>
 
-
P-1 XP, P-5 XP, P-6 XP<br>
 
-
(ここに20140912_3を貼付)<br>
 
-
(ここに20140912_4を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
A-1 CP, A-10 CP, C-3, E-6 CP #1~3<br>
 
-
(ここに20140912_5を貼付)<br>
 
-
E-12 CP, E-15 CP, E-20 CP, E-22a, E-22b<br>
 
-
(ここに20140912_6を貼付)<br>
 
-
except E-20#1,2:OK!<br>
 
-
<br>
 
-
<h5>sequence</h5><br>
 
-
B-2' #1: NG<br>
 
-
B-2 #2: OK<br>
 
-
D-9 #1: NG<br>
 
-
    #2: NG<br>
 
-
    #3: NG<br>
 
-
    #4: OK<br>
 
-
O-1: OK<br>
 
-
O-3: OK<br>
 
-
O-5: OK<br>
 
-
O-6: OK<br>
 
-
N-2: OK<br>
 
-
N-4: OK<br>
 
-
E-11: Ok<br>
 
-
E-12: OK<br>
 
-
E-14: OK<br>
 
-
E-15: OK<br>
 
-
F-2: OK<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
C-1 (A-6 SP + B-2 XP), P-2~4 (O-2~4 ES + A-8 EX), Q-1,5,6 (P-1,5,6 XP + K-6 SP)<br>
 
-
<br>
 
-
<h5>ligation</h5><br>
 
-
P-3 (O-3 ES + A-8 EX)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
A-4, A-6, A-8, C-3 #1, A-1 CP #1, E-12 CP #1, E-15 CP #1, E-20 CP #3, E-6 CP #1 <br>
 
-
<br>
 
-
</h3>9,13,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-4, A-6, A-8
 
-
C-3, E-6 CP, E-12 CP, E-15 CP, E-20 CP, A-1 CP(made glycerol stock)<br>
 
-
<br>
 
-
<h3>9,15,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Takemura,Nakamura,Yamanaka,Tara<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-8 EX, C-3 ES<br>
 
-
(ここに20140915_1を貼付)<br>
 
-
(ここに20140915_2を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
C-1 (σ20F, VR)<br>
 
-
(ここに20140915_3を貼付)<br>
 
-
OK!<br>
 
-
<h5>ligation → TF</h5><br>
 
-
D-4 (C-3 ES + A-8 EX) *2 (new and old competent cell)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
C-1 #1<br>
 
-
<br>
 
-
<h3>9,16,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Hiura,Itoh,Nakamura,Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
C-1　(made glycerol stock)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
D-4, P-2~4<br>
 
-
(ここに20140916_1を貼付)<br>
 
-
A-10<br>
 
-
(ここに20140916_2を貼付)<br>
 
-
<br>
 
-
Q-1,5,6:confirmed by fluorescence
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-4 SP, A-8 EX, C-1 ES, D-9 XP, E-18 EP, pSB1C3 (A-4) EP<br>
 
-
(ここに20140916_3を貼付)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
D-2 (A-8 EX + C-1 ES), E-18 CP (E-18 EP + pSB1C3 EP) *2, E-22 (A-4 SP + D-9 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
D-4, P-2~4, A-10 CP, Q-1,5,6<br>
 
-
<br>
 
-
<h5>assay</h5><br>
 
-
(ここに20140916_4を貼付)<br>
 
-
PC (E-23': <i>Pconst (strong)-GFP-d.term</i>)<br>
 
-
Experiment (K-1: <i>pCMV-GFP-d.term</i>)<br>
 
-
NC (Z-1: pSB1C3)<br>
 
-
absorbance:600nm and 395nm
 
-
Absorbance of 395nm proved not to be able to measure.<br>
 
-
We need fluorospectro-photometer.<br>
 
-
<br>
 
-
<h3>9,17,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Hiura,Takemura,Yoshikawa(Fresh),Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
D-4, P-2~4, Q-1,5,6, A-10 CP　(made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-1 CP SP, A-3 SP, D-4 XP, K-6 SP, P-2 XP, P-3 XP, P-4 XP<br>
 
-
(ここに20140917_1を貼付)<br>
 
-
(ここに20140917_2を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
D-2, E-18 CP, E-22<br>
 
-
(ここに20140917_3を貼付)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
E-8 *2 (A-3 SP + D-4 XP), E-9 (A-1 CP SP + D-4 XP), Q-2~4 (K-6 SP + P-2~4 XP)<br>
 
-
<br>
 
-
<h5>assay</h5><br>
 
-
Photo of plate(n=4)<br>
 
-
(ここに20140917_4を貼付)<br>
 
-
(ここに20140917_5を貼付)<br>
 
-
(ここに20140917_6を貼付)<br>
 
-
(ここに20140917_7を貼付)<br>
 
-
(ここに20140917_8を貼付)<br>
 
-
(ここに20140917_9を貼付)<br>
 
-
(ここに20140917_10を貼付)<br>
 
-
(ここに20140917_11を貼付)<br>
 
-
<br>
 
-
<h3>9,18,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Hiura,Tsukada,Nakamura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
D-2, E-18 CP, E-22<br>
 
-
(made glycerol stock)<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-1 CP SP, A-3 SP, A-9 SP, D-2 XP, E-22 SP, G-5 XP<br>
 
-
(ここに20140918_1を貼付)<br>
 
-
(ここに20140918_2を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
E-8, E-9　#1~4<br>
 
-
(ここに20140918_3を貼付)<br>
 
-
Q-2~4 :confirmed by fluorescent<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
E-2 (A-3 SP + D-2 XP)<br>
 
-
E-3 (A-1CP SP + D-2 XP)<br>
 
-
E-19 (A-9 SP + D-2 XP)<br>
 
-
H-5 (E-22 SP + G-5 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
E-8,9, Q-2~4<br>
 
-
<br>
 
-
<h3>9,19,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Hiura,Tara,Yamanaka,Nakamura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
E-8,9, Q-2~4<br>
 
-
<br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-9 SP, D-2 XP, E-22 XP, F-2 SP, G-5 SP<br>
 
-
(ここに20140919_1を貼付)<br>
 
-
(ここに20140919_2を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
E-2, E-19 #1~4<br>
 
-
E-3, H-5 :No colony<br>
 
-
(ここに20140919_3を貼付)<br>
 
-
<br>
 
-
<h5>ligation → TF</h5><br>
 
-
H-5 (G-5 SP + E-22 XP)<br>
 
-
H-4 (F-2 SP + E-22 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
E-2 E#1, E-19 #1<br>
 
-
<br>
 
-
<h3>9,20,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
E-2, E-19<br>
 
-
<br>
 
-
<h3>9,22,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Takemura,Nakamura,Tara,Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion → gel extraction</h5><br>
 
-
A-1 SP, D-2 XP, E-2 ES, E-17 EX, E-22 XP, G-5 SP, J-4 SP<br>
 
-
(ここに20140922_1を貼付)<br>
 
-
(ここに20140922_2を貼付)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
H-4 <br>
 
-
(ここに20140922_3を貼付)<br>
 
-
H-4#1,2,3:OK!<br>
 
-
<br>
 
-
<h5>ligation - TF</h5><br>
 
-
H-5 (G-5 SP + E-22 XP)<br>
 
-
J-6 (J-4 SP + E-22 XP)<br>
 
-
E-3 (A-1 SP + D-2 XP)<br>
 
-
F-1 (E-2 ES + E-17 EX)<br>
 
-
<br>
 
-
<h3>9,23,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Nakamura,Tara,Yamanaka<br>
 
-
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion, gel extraction</h5><br>
 
-
A-1CP SP, D-2 XP, E-22 XP, G-5 SP<br>
 
-
J-4 SP(stopped)<br>
 
-
(IMGP0241)<br>
 
-
(IMGP0242)<br>
 
-
<br>
 
-
<h5>miniprep</h5><br>
 
-
H-4(made glycerol stock)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
J-6<br>
 
-
(IMGP0243)<br>
 
-
OK!<br>
 
-
<br>
 
-
<h5>ligation,TF</h5><br>
 
-
H-5(G-5 SP+E22 XP)<br>
 
-
E-3(A-1 SP+D-2 XP)<br>
 
-
<br>
 
-
<h3>9,24,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Yamanaka,Takemura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
F-1,J-6(made glycerol stock)<br>
 
-
E-22,D-6<br>
 
-
G-6 did not grow.<br>
 
-
We disposed J-6.(dropped on the floor)<br>
 
-
<br>
 
-
<h5>digestion,gel extraction</h5><br>
 
-
A-1 SP,E-2 ES,E-5 ES,E-17 EX,E-18CP EX,E-21 XP,G-5 SP,D-2 XP,F-1 SP,E-19 XP,E-22 XP<br>
 
-
(IMGP0244)<br>
 
-
(IMGP0245)<br>
 
-
<br>
 
-
<h5>ligation,TF</h5><br>
 
-
J-2(F-1 SP+E-1 XP)<br>
 
-
H-1(F-1 SP+E-21 XP)<br>
 
-
F-3(E-5 ES+E-17 EX)<br>
 
-
F-4(E-2 ES+E-18 EX)<br>
 
-
E-3(A-1 SP+D-2 XP)<br>
 
-
H-5(G-5 SP+E-22 XP)<br>
 
-
<br>
 
-
<h3>9,25,2014</h3><br>
 
-
<h3>Lab member</h3>Yakashima,Nakamura,Tara,Tsukada,Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
A-1CP, J-6<br>
 
-
<br>
 
-
<h5>digestion,gel extraction</h5><br>
 
-
A-1 SP,D-2 XP,E-5 ES,E-17 EX,E-19 XP,E-21 XP,E-22 XP,F-1 SP,G-5 SP<br>
 
-
(IMGP0247)<br>
 
-
(IMGP0248)<br>
 
-
<br>
 
-
<h5>ligation,TF</h5><br>
 
-
J-2(F-1 SP+E-19 XP)<br>
 
-
H-1(F-1 SP+E-21 XP)<br>
 
-
F-3(E-5 ES+E-17 EX)<br>
 
-
E-3(A-1 SP+D-2 XP)<br>
 
-
H-5(G-5 SP+E-22 XP)<br>
 
-
<br>
 
-
<h5>Making competent cell</h5><br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
G-5,E-5,E-17,<i>E. coli</i> JM109<br>
 
-
<br>
 
-
<h5>competent cell(made at 0911) check</h5><br>
 
-
Ampicillin,Chloramphenicol,non-antibiotics<br>
 
-
culture in LB 3ml<br>
 
-
LB midium 3ml, as N.C.<br>
 
-
culture for 2h.<br>
 
-
no TF<br>
 
-
<br>
 
-
<h5>result of check</h5><br>
 
-
Ampicilln,non-antibiotics:become clouded<br>
 
-
Chroramphenicol,LB:did not grow<br>
 
-
So,we confirmed ampicillin resistant plasmid exists in competent cell and we disposed it.<br>
 
-
<br>
 
-
<h3>9,26,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Tara,Yoshikawa(Fresh),Tsukada<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
G-5,E-5,E-17<br>
 
-
<br>
 
-
<h5>digestion</h5><br>
 
-
A-1CP SP,D-2 XP,G-5 EP(strange band appeared,disposed),pSB1C3(A-4) EP,A-1 SP<br>
 
-
(IMGP0249)<br>
 
-
(IMGP0250)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
F-3,F-4,H-1,H-5,J-2<br>
 
-
(IMGP0251)<br>
 
-
(IMGP0253)<br>
 
-
OK!<br>
 
-
<br>
 
-
<h5>ligation,TF</h5><br>
 
-
E-3(D-2 XP+A-1SP)<br>
 
-
E-3CP(D-2 XP+A-1CP SP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
F-3,F-4,H-1,H-5,J-2#1,G-5<br>
 
-
<br>
 
-
<h3>9,27,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>TF</h5><br>
 
-
E-3(chemical)<br>
 
-
<br>
 
-
<h5>miniprep</h5><br>
 
-
F-3,F-4,H-1,H-5,J-2(made glycerol stock)<br>
 
-
G-5<br>
 
-
<br>
 
-
<h5>TF</h5><br>
 
-
E-3CP(electroporation)<br>
 
-
<br>
 
-
<h3>9,29,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Nakamura,Tara,Takemura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>digestion,gel extraction</h5><br>
 
-
A-1CP SP,pSB1C3(A-4) EP,D-2 XP,E-21 XP,G-5 EP,H-5 EP,J-2 SP<br>
 
-
(IMGP0256(0929))<br>
 
-
(IMGP0257)<br>
 
-
<br>
 
-
<h5>Gel making</h5><br>
 
-
<br>
 
-
<h5>ligation</h5><br>
 
-
G-5CP(G-5 EP+pSB1C3 EP)<br>
 
-
H-5CP(H-5 EP+pSB1C3 EP)<br>
 
-
J-5(J-2 SP+E-21 XP)<br>
 
-
E-3(A-1CP SP+P-2 XP)<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
E-5,E-11,E-22<br>
 
-
K-1,E-23',Z-1(for assay)<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
VF2-(ligation product of E-3)-VR
 
-
E-3 lig:1uL<br>
 
-
VF2:1uL<br>
 
-
VR:1uL<br>
 
-
Taq:5uL<br>
 
-
MilliQ:2uL<br>
 
-
Total:10uL<br>
 
-
extention:1m12sec<br>
 
-
(IMGP0258(0929))<br>
 
-
We observed the band which had expected length.<br>
 
-
The ligtion must be OK!<br>
 
-
<br>
 
-
<h3>9,30,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa.Nakamura,Tsukada,Tara,Yamanaka<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
E-2,E-5,E-11<br>
 
-
<br>
 
-
<h5>digestion,gel extraction</h5><br>
 
-
We could not find D-2 sample(probably accidentally disposed).<br>
 
-
So we stopped it.
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
G-5,H-5,J-5<br>
 
-
(IMGP0258(0930))<br>
 
-
H-5,J-5#1,2,3,4:OK!<br>
 
-
<br>
 
-
<h5>Making M9 medium</h5><br>
 
-
1M MgSO4 50ml<br>
 
-
1M CaCl2 10ml<br>
 
-
20% glucose 50ml<br>
 
-
<br>
 
-
<h5>digestion(cutcheck)</h5><br>
 
-
G-5 E,G-5 P,G-5 non-cut<br>
 
-
(IMGP0260)<br>
 
-
Strange bands appeared.<br>
 
-
We decided to read a sequence of this part.<br>
 
-
<br>
 
-
<h3>10,1,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Tara,Nakamura,Takemura<br>
 
-
<br>
 
-
Contens<br>
 
-
<h5>miniprep</h5><br>
 
-
H-5CP,G-5CP,J-5(made glycerol stock)<br>
 
-
<br>
 
-
<h5>sequence order</h5><br>
 
-
E-2,E-8,E-9,E-19,F-1,F-3,F-4,G-5,H-1,H-4<br>
 
-
H-5(VF-VR,Psigma2F-anti2R),J-2,J-4,J-5,J-6<br>
 
-
<br>
 
-
<h3>10,2,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Nakamura,Tara<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>assay</h5><br>
 
-
completely failed<br>
 
-
<br>
 
-
In M9 medium, <i>Escherichia.coli</i> JM109 did not grow well.(doubling time:1h)<br>
 
-
The glycerol stock needed to be put a lot.<br>
 
-
<br>
 
-
<h5>culture</h5><br>
 
-
F-2,F-3,F-4(for M9 check)<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
G-1(F,R),G-4(F,R),G-5(F,R),H-1(F,R),H-4(F,R),H-5(F,R)<br>
 
-
Template:1ng/uL,1uL<br>
 
-
<br>
 
-
<h5>Making M9 medium</h5><br>
 
-
5*M9 24mL<br>
 
-
20% Glu 1.2mL<br>
 
-
MgSO4 240uL<br>
 
-
CaCl2 12uL<br>
 
-
Amino acid 10mL<br>
 
-
mess up to 1L<br>
 
-
<br>
 
-
<h5>PCR check</h5><br>
 
-
(IMPG0261)<br>
 
-
 
-
OK!(except G-5)<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
G-1,G-4,H-1,H-4<br>
 
-
extension time:6m30sec<br>
 
-
EpCAM nested<br>
 
-
95C 3min-(-95C 30sec-48C 30sec-72C 3min-)*30-72C 5min-4C<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
E-17,E-18,F-1,F-2,F-3,F-4,Z-1(M9)<br>
 
-
E-23'(LB)<br>
 
-
<br>
 
-
<h3>10,3,2014</h3><br>
 
-
<h3>Lab member</h3>Nakashima,Tara,Nakamura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>PCR clean up and check</h5><br>
 
-
(IMGP0262)<br>
 
-
G-1,G-4,H-1,H-4:Band in correct position and unexpected position.<br>
 
-
EpCAM:No band<br>
 
-
<br>
 
-
<h5>digestion,gel extraction</h5><br>
 
-
(IMGP0263)<br>
 
-
(IMGP0264)<br>
 
-
G-1deg linear EP,G-4deglinear EP,H-1deg linear EP,H-4deg linear EP(A-4)<br>
 
-
(deg:degradation tag)<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
EpCAM nested<br>
 
-
94C 3min-(-94C 30sec-48C 30sec-72C 3min-)*30-72C 5min-4C
 
-
(IMGP0265)<br>
 
-
No band<br>
 
-
<br>
 
-
<h5>gel making</h5><br>
 
-
<br>
 
-
<h5>ligation,TF</h5><br>
 
-
H-1'(H-1'linear EP+pSB1C3 EP)<br>
 
-
H-4'(H-4'linear EP+pSB1C3 EP)<br>
 
-
G-1'(G-1'linear EP+pSB1C3 EP)<br>
 
-
G-4'(G-4'linear EP+pSB1C3 EP)<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
EpCAM nested<br>
 
-
95C 3min-(-95C 30sec-46C 30sec-72C 3min-)*30-72C 5min-4C
 
-
(IMGP0267)<br>
 
-
No band
 
-
<br>
 
-
<h3>10,4,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa<br>
 
-
<h5>assay1</h5><br>
 
-
F-2 in 20mL culture<br>
 
-
When OD600=0.516,we put 10% arabinose 20uL.<br>
 
-
F-1 in 20mL culture<br>
 
-
When OD600=0.514,we put 10% arabinose 20uL.<br>
 
-
Z-1 in 20mL culture<br>
 
-
When OD600=0.544,we put 10% arabinose 20uL.<br>
 
-
O/N culture<br>
 
-
<br>
 
-
Culture in 3mL:disposed(OD600 value did not agrees with each other.)<br>
 
-
<br>
 
-
<h5>colony PCR</h5><br>
 
-
H-1deg,H-4deg,G-1eg,G-4deg<br>
 
-
We confirmed by fluorescence.<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
H-1deg,H-4deg#1,G-1eg,G-4deg<br>
 
-
<br>
 
-
<h3>10,5,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>miniprep</h5><br>
 
-
H-1deg,H-4deg#1,G-1eg,G-4deg<br>
 
-
<br>
 
-
<h5>preculture</h5>(M9)<br>
 
-
E-15CP,E-17,E-18CP,I-2,F-1,2,3,4,Z-1<br>
 
-
<br>
 
-
<h3>10,6,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Tara<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>assay1,3</h5><br>
 
-
E-15,I-2,F-1,F-2,F-3,F-4,F-17,E-18,Z-1<br>
 
-
Measured the OD 600 value.<br>
 
-
Except I-2,F-2,the value is more than 1.0.<br>
 
-
F-1,F-3,E-17,Z-1(20 fold dilution):Culture in 3mL.
 
-
The composition of M9 proved to be wrong,so disposed.<br>
 
-
<br>
 
-
<h5>Making M9 medium</h5><br>
 
-
5*M9 200mL<br>
 
-
20% Glu 10mL<br>
 
-
amino acids 10mL<br>
 
-
1M MgSO4 2mL<br>
 
-
1M CaCl2 100uL<br>
 
-
MilliQ 778mL<br>
 
-
Total 1000mL<br>
 
-
<br>
 
-
<h5>result of OD600</h5><br>
 
-
F-3(non-Chloramphenicol)<br>
 
-
1h:0.094<br>
 
-
2h:0.086<br>
 
-
F-3(Chloramphenicol)
 
-
1h:0.074<br>
 
-
2h:0.073<br>
 
-
<br>
 
-
<h5>assay1</h5>(tentative)<br>
 
-
We measured the fluorescence of F-1,F-2,Z-1(culture in 20mL).<br>
 
-
Ex:501nm<br>
 
-
F-2:We observed a peak in 511nm.<br>
 
-
F-1,Z-1:No peak<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
F-1,F-2,F-3,F-4,E-15CP,I-2,Z-1,E-17,E-18CP(M9 medium)<br>
 
-
E-23'(LB medium)<br>
 
-
<br>
 
-
<h3>10,7,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Tara,Nakamura<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>assay</h5><br>
 
-
F-1,F-13,E-17,Z-1,E-15,I-2<br>
 
-
culture in M9<br>
 
-
except E-15,OD600 is more than 1.0.<br>
 
-
E-15:over 0.85<br>
 
-
F-2:only 0.3<br>
 
-
E-23':over 2.0,culture in LB medium<br>
 
-
All samples was cultured in 3 mL.(n=5)<br>
 
-
F-1,Z-1:cultured in 20mL(flask)(n=1)<br>
 
-
<br>
 
-
<h5>OD600 before subculture</h5><br>
 
-
E-15:1.113<br>
 
-
E-11:0.933<br>
 
-
E-18:1.190<br>
 
-
E-23':forgot to measure<br>
 
-
F-1:0.927<br>
 
-
F-2:0.374<br>
 
-
F-3:0.878<br>
 
-
F-4:0.992<br>
 
-
I-2:0.888<br>
 
-
Z-1:1.084<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
J-5(F,R),J-6(F,R)<br>
 
-
J-5:OK!<br>
 
-
extension time<br>
 
-
F:1800+200=2000bp,4min<br>
 
-
R:1850+200=2050bp,4min<br>
 
-
<br>
 
-
<h5>PCR</h5><br>
 
-
J-6(F,R)<br>
 
-
J-5R<br>
 
-
extension time:1min<br>
 
-
<br>
 
-
<h3>10,8,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshikawa,Nakashima,Tara<br>
 
-
<br>
 
-
<h3>Contents</h3><br>
 
-
<h5>making gel</h5><br>
 
-
<br>
 
-
<h5>subculture</h5><br>
 
-
<i>Escherichia.coli</i>MG1655<br>
 
-
100 fold dilution<br>
 
-
20mL,flask<br>
 
-
<br>
 
-
<h5>PCR clean up and check</h5><br>
 
-
(IMGP0268)<br>
 
-
(IMGP0269)<br>
 
-
J-6F:low concentration<br>
 
-
J-6R:shorter band is OK!<br>
 
-
We decided that we made J-5,J-6<br>
 
-
as H5deg-positive feedback circuit, and H6deg-positive feedback circuit.<br>
 
-
<br>
 
-
<h5>sequence order</h5><br>
 
-
G-1deg,G-4deg,H-1deg,H-4deg<br>
 
-
<br>
 
-
<h5>TF</h5>(electroporation)<br>
 
-
F-1,F-2,F-3,F-4,E-17,E-18CP,Z-1,I-2,E-15<br>
 
-
G-1deg,G-4deg,H-1deg,h-4deg,J-4,J-4<br>
 
-
also,2mL culture as recovery.<br>
 
-
<br>
 
-
<h3>10,9,2014</h3><br>
 
-
<h3>Lab member</h3>Yoshiakwa,Nakashima,Tara<br>
 
-
<h5>digestion,gel extraction</h5><br>
 
-
E-19 XP,E-20 XP,H-1deg SP,H-4deg SP<br>
 
-
<br>
 
-
<h5>making gel</h5><br>
 
-
<br>
 
-
<h5>making plate</h5><br>
 
-
Chloramphenicol*10<br>
 
-
<br>
 
-
<h5>ligation</h5><br>
 
-
J-5deg(E-19XP+H-1degSP)<br>
 
-
J-6deg(E-20XP+H-4degSP)<br>
 
-
We did not have competent cell of <i>E.coli</i> MG1655, so put it in freezer.<br>
 
-
<br>
 
-
<h5>preculture</h5><br>
 
-
F-1,E-17,E-15,Z-1,I-2:both in LB medium and M9 medium.<br>
 
-
MG1655:LB medium<br>
 
-
<br>
 
-
<h3>10,10,2014</h3><br>
 
-
<h5>assay1,3</h5><br>
 
-
I-2,E-15,Z-1,F-1,E-17(made glycerol stock,subculture in 20 fold dilution)<br>
 
-
MG1655 did not grow, because we accidentally put antibiotics.
 
-
<br>
 
-
OD600(O/N culture)<br>
 
-
E-15:1.795<br>
 
-
E-17:1.781<br>
 
-
F-1:1.937<br>
 
-
I-2:1.886<br>
 
-
Z-1:1.780<br>
 
-
<br>
 
-
<h5>making M9 medium</h5><br>
 
-
<br>
 
-
</div>
 
</div>
</div>
<!-- Modeling -->
<!-- Modeling -->
<div id = "Modeling-block" style = "display:none;">
<div id = "Modeling-block" style = "display:none;">
-
<div id = "Modeling-1">
 
-
<img src = "https://static.igem.org/mediawiki/2014/8/89/Sub_overview.png" class = "contTitle" />
 
-
<p>Modeling is an attempt to describe, in a precise way, an understanding of the elements of a system of interest, their states, and their interactions with other elements.</p>
 
-
<p>The purpose of our modeling team is to peel back the layer of appearance of the device to reveal it's underlying nature. We tried to improve the device, cooperating with the experiment team. To achieve our goal, we have developed three fundamental themes. These three themes divide the modeling part into three parts. At the beginning, we con?rmed whether our circuit realizes a reaction:this for part 1. Next, we adjusted the parts and the conditions, for the device to reproduce a satisfactory value suitable for naming the device as a counter:this for part 2. Finally, we discussed what would be appropriate modeling, frequent issue to attack, in order to ?nd the best strategy of modeling and wrote how we constructed our model:this for part 3.</p>
 
-
<p>In Part1(Deterministic Model,Stochastic Model), we approached the problem in two ways.</p>
 
-
<p>・Deteministic model:In this model,chemical reactions are discribed as differential equations and concentration of reaction product can be calu- culated by those of reactants. This model is intutive, simple and hence popular to estimate the result of experiment.</p>
 
-
<p>・Stochastic model:The most common formulation of stochastic models for biochemical networks is the chemical master equation (CME). We used Gillepie Algorithm to solve CME.</p>
 
-
<p>In Part2(Result), changing measured values of gene copy numbers, strength of pConst, sequence of taRNA and etc. in silico, we estimated in which combination of values the counter outputs a sufficient amount of data.</p>
 
-
<p>In Part3(Guide for Modeling), what is modeling, aims of modeling and differernt stochastic approaches and their interrelationShips</p>
 
-
</div>
 
-
<div id = "Modeling-2">
 
-
<img src = "https://static.igem.org/mediawiki/2014/9/9e/Sub_deterministic.png" class = "contTitle" />
 
-
<p>First of all, we constructed the deterministic model to estimate the behavior of the counter. In this model, chemical reactions are discribed as differential equations and concentration of reaction product can be calu- culated by those of reactants. This model is intutive, simple and hence popular to estimate the result of experiment. We could therefore get some parameters for modelling of counter from previous works.[→ parameter]</p>
 
-
<p>We had simplified the counstruction of mathematical model before described time evolution in which concentrations of mRNAs and proteins change as differential equations. First, we regarded that the reaction between taRNA(transactivating RNA) and crRNA(cis-repressor RNA) in riboregulator is much faster than that of transcription or translation and equilibrium reaction. This diminution of parameters enable us to use the equilibrium constant as a parameter and prevent us from over ?tting when we adapt this model to raw data.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/9/9b/Ono_%281%29.png" class = "math" />
 
-
<p>We decided to describe mRNAs and the coupling of taRNA and crRNA as stated above. Subscript mean coding sequence of its mRNA. We regarded that the affinity of one riboregulators which the counter had was equal to that of the other. The dissociation constant of equilibrium reaction was therefore shown as following.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/7/74/Ono_%282%29.png" class = "math" />
 
-
<p>Using dissociation constant, concentrations of reaction products such as [mcr<sub>cr-σ</sub>] could be discribed as function of those of taRNA and mRNA of σ and GFP. We put X, A and B as the total quantity of taRNA, sigma and GFP.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/0/0b/Ono_%283%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/0/04/Ono_%284%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/0/05/Ono_%285%29.png" class = "math" />
 
-
<p>Using these equations((3)-(7)) and equilibrium constant, concentrations of binding taRNA or not mRNA coding σ and GFP were discribed as following. These are all of simplifications.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/7/71/Ono_%286%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/6/67/Ono_%287%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/5/5e/Ono_%288%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/1/18/Ono_%289%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/a/aa/Ono_%2810%29.png" class = "math" />
 
-
<p>Finally, we built up differential equations about concentrations of reaction products including mRNA of sigma which has no riboregulator. (It makes positive feedback loop.) We hypothesized relationship between promoter and the amount of transcriptional product increasing per unit time. The amount is in proportion to the number of promoter if the promoter expressed constitutively and is determined by Hill equation if the inducer controled its promoter. We also hypothesized propotional connection between decomposition amount of mRNA and protein and concentration of that. Some of used parameters were cited from references.[1]～[6]</p>
 
-
<p>We aimed to determine parameters about sigma through experiment and used provisonal parameter deter- mined in reference to other promotor.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/e/e5/Ono_%2811%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/3/31/Ono_%2812%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/7/7b/Ono_%2813%29.png" class = "math" />
 
-
<p>The amount of sigma mRNA transcribed in positive feedback loop and that of anti sigma mRNA transcribed by IPTG induction to reset the counterwere described as following.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/0/0d/Ono_%2814%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/1/1b/Ono_%2815%29.png" class = "math" />
 
-
<p>In our project, IPTG induction was aimed at enough production of anti-sigma to reset the counter and the sensitivity of lac promoter was not our main interest. Therefore, we used simple equation,(15) to describe how lac promoter behave. <I>P<sub>lac</sub></I> depend on the concentration of IPTG but we regarded it as a fixed number in this modeling.</p>
 
-
<p>Taking into account that translation coincide with transcription in prokaryotes, we hypothesized linear relationship between transcriptional product and the amount of translational product increasing per unit time and that this relationship does not depend on the kind of translational product. We also hypothesized that anti-sigma combine with sigma and form inert matter, and the reaction velocity of that is proportional to product of these.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/0/0d/Ono_%2816%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/8/86/Ono_%2817%29.png" class = "math" />
 
-
<img src = "https://static.igem.org/mediawiki/2014/d/d2/Ono_%2818%29.png" class = "math" />
 
-
<p>Using above-mentioned differential equations, we simulated behavior of the counter by Euler's method.</p>
 
-
<p>We explained the parameters of the deterministic model. PoPS (promoter per second) is 0.03\cite{promoter}, so its promoter activity is $0.03/6.0*10^{23}\cdot 1.0\cdot 10^{-15}$[M], 0.051[nM/sec]. The switch point and hill coefficients of <I>P<sub>BAD</sub></I> is writen in \cite{pBAD1}. RPU (relative promoter unit) is $\frac{5}{60}\cdot1.7$[nM]. We set the RPU of pLac as 2 when induced. We don't consider the leak expression from pLac.</p>
 
-
<p>The average half life of mRNA is 2-5 min\cite{Uri}, so we set the degradation rate of mRNA as 0.020[/sec]. The half life of GFP is $\infty$\cite{GFP}, so we set the degradation of GFP as 0.0[sec]. The degradation rate of sigma factor[2] is fast. So we set as 0.0001[/sec]. The equilibrium constant of the equations (1)(2) is 80.0[nM]\cite{taRNA}. The number of plasmids copied is 100$\sim$300\cite{plasmid1}\cite{plasmid2} , so we set as 200. The number of ribosomes on a mRNA is about 20 and the time for a ribosome to translate is about 2 minute, so we set the translational rate as 1.43[/sec].</p>
 
-
<p>The summary of the parameters of this model is given in Table 1.</p>
 
-
<br />
 
-
<img src = "https://static.igem.org/mediawiki/2014/5/51/Ono_2count_result.png" class = "figure" />
 
-
<p>The unit of vertical axis is [nM], and that of the horizontal axis is [sec]. We can see that only after the second induction GFP was expressed.</p>
 
-
<p>By conducting sensitivity analysis, we can know what parameters have the most influential to the system.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/9/98/Ono_arabinose_induce_time.png" class = "figure" />
 
-
<p>horizontal axis : the pulse length of the arabinose induction</p>
 
-
<p>vertical axis:$\displaystyle \frac{\mathrm{fluorescense~after~the~first~induction}}{\mathrm{fluorescense~after~the~second~induction}}$</p>
 
-
</div>
 
-
<div id = "Modeling-3">
 
-
<img src = "https://static.igem.org/mediawiki/2014/9/9c/Sub_stochastic.png" class = "contTitle" />
 
-
<p>If there are a lot of molecules, modeling usually uses ordinary differntial equations, but some in vivo reactions involve only a few molecules. For example, transcription involves the cell's genomic DNA which is one copy or plasmids which are about 200 copies \cite{plasmid1}\cite{plasmid2} in a cell of <I> Escherichia coli</I>. The average size of a cell of <I>E. coli</I> is about $1.0 \cdot 10^{-15}$[L]\cite{volume}, so the concentration of DNA is about $1.7$[nM] and the concentration of plasmids is about 200 times of it. This is obviously weak. Reactions like this are well affected by fluctuations due to the reactants's limited copy numbers. So, we need to take this fluctuations into our modeling which is derived from stochastic methods. We also introduce delay effect.</p>
 
-
<p>First we explain about the Gillespie algorithm which is often used in stochastic simulations. In the Gillespie algorithm, we treated not the concentration of molecules but the number of them. Reactions are also viewed as descrete, essentially instantaneous physical events. What we have to determine when using the Gillespie algorithm is (1) when the next reaction is going to occur and (2) which type of the reaction it will be. Looking more closely at the Gillespie algorithm by the next set of reaction formulas:</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/8/8e/Ono_%2819%29.png" class = "math" />
 
-
<p>Let n<sub>1</sub>, n<sub>2</sub>, and n<sub>3</sub> denote the respective copy number of the components X<sub>1</sub>, X<sub>2</sub>, and X<sub>3</sub>. Notice that they are all integer. First we have to determine how easily each reactions could happen. It depends on the number of components copied. In stochatic simulations, we often determine the paremeter called stochastic rate constant, which is often written as "c''. We assume that each possible combinations of reactant molecules have the same probability c per unit time to react. In other words, $c \cdot\mathrm{dt}$ gives the probability that a particular combination of reactant molecules will react in a short time interval [t,t+dt). We call the stochastic rate constant of a reaction j $c_{j}$. Considering the all combinations of reactant molecules, the probability that the reaction 0 occur in [t,t+dt) is $c_{0}\cdot n_{1} \cdot n_{2}$. We now define the propensity function as the function of which product with dt gives the probability that a particular reaction will occur in the next infinitesimal time dt, which is often written as "a''. Later on, the propensity function of a reaction j is a<sub>j</sub>. Following the equation:</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/9/97/Ono_%2820%29.png" class = "math" />
 
-
<p>Notice that c<sub>j</sub> is invariant parameter, but a<sub>j</sub> changes as the state changes. In the same way, $a_{1} = c_{1} \cdot n_{3}$.</p>
 
-
<p>First we answer the question (1) when is the next reaction going to occur? Now, to simplify the situation we assume the situation that only the reaction 0 occurs. Set the time as 0, and define P(t) as the probability that the reaction 0 doesn't occur in [0,t). Then from the definition of a,we obtain the equation; P(t+dt) = P(t)$\cdot$(1$-$a$\cdot$dt). (Because the probability that the reaction 0 doesn't occur in [0,t+dt) is the product of the probability that the reaction 0 doesn't occur in [0,t) with the probability that the reaction 0 doesn't occur in [t,t+dt).) Using P(t+dt) = $\displaystyle \mathrm{P(t)} + \frac{d\mathrm{P(t)}}{\mathrm{dt}} \cdot \mathrm{dt}$, we get ;</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/d/d5/Ono_%2821%29.png" class = "math" />
 
-
<p>Because the probability that the reaction0 doesn't occur in a 0 second interval is zero; $P(0)=1$. Solving the above ordinary differential eqaution we get ;</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/3/3f/Ono_%2822%29.png" class = "math" />
 
-
<p> If $r_{1}$ is a uniform number from [0,1], the time of the next reaction should be determined by solving P(t) = $r_{1}$. Using (2), we get t = $\displaystyle -\frac{a_{0}}{\mathrm{log}r_{1}}$.</p>
 
-
<p>Now we suppose there is N types of reactions. Let a<sub>1</sub>,a<sub>2</sub>,…,a<sub>N</sub> denote the respective propensity function of reaction 1,2,…,N. From previous method;</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/c/c9/Ono_%2823%29.png" class = "math" />
 
-
<p>Let dt be so small that we can ignore the term of higher than two orders of dt. The equation(3) becomes;</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/f/f6/Ono_%2824%29.png" class = "math" />
 
-
<p>Solving (4) ($\displaystyle a = \sum_{j=1}^{N}a_{j}$);</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/8/81/Ono_%2825%29.png" class = "math" />
 
-
<p>Setting $\tau$ as the time of the next reaction, we get;</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/3/3d/Ono_%2826%29.png" class = "math" />
 
-
<p>Second we answer the question (2) what types of the reaction will it be? We determined the time of the next reaction, so what we have left to do is to determine what kind of reaction occured. Some people may feel queer, but in the Gillespie algorithm, first the time of next reaction will be determined, and second the kind of reaction will be determined. It is natural to determine that the probability that the reaction j occurs is $\displaystyle \frac{a_{j}}{a}$. If $r_{2}$ is a uniform number from [0,1], j is the only number that meets below inequations;</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/1/1a/Ono_%2827%29.png" class = "math" />
 
-
<p>In the case $a_{0} \geq a \cdot r_{2}$, the reaction that occured is reaction 0.</p>
 
-
<p>Now we can run the Gillespie algorithm by following the next steps.($t_{MAX}$ is the finish time of the simulation.)<br />1.Initialize the system at $t = 0$ with initial numbers of molecules for each spices, n<sub>0</sub>,… ,n<sub>s</sub><br />2.For each j = 0,1,…,r, calculate a<sub>j</sub>(n) based on the current state n using (21)<br />3.Calculate the exit rate $\displaystyle a(n) = \sum_{j=0}^{r} a_{j}(n) $.<br />4.Compute a sample $\tau $ of the time until the next time using (27)<br />5.Update the time $t = t + \tau$<br />6.Compute a sample j of the reaction index using (28)<br />7.Update the state n according to the reaction j.<br />8.If $t < t_{MAX}$, return to Step 2</p>
 
-
<p>Stochastic rate constant can be determined by the parameters we used in the deterministic model (if we modeled the reaction in the determinsitic model) . If there are a lot of reactant molecules, stochastic simulations have to show similar results as those of determinisitic simulations. For this reason, stochastic rate constant, $c$, can be calculated from the chemical reaction rate constant, $k$. See \cite{gillespie1} if you want to know the deriving process. Here we just write the result.</p>
 
-
<p>For a unimolecular reaction, $c$ numerically equals to $k$, whereas for a bimolecular reaction, $c$ equals to $\displaystyle \frac{k}{N_{A}V}$ if the species of the reactant molecules are different, or $\displaystyle \frac{2k}{N_{A}V}$ if they are the same. $V$ is the volume of the system and $N_{A}$ is the Avogadro's constant.</p>
 
-
<p>However, these results should not be taken to imply that the mathematical forms of the propensity functions are just heuristic extrapolations. The propensity functions are grounded in molecular physics, and the formulas of deterministic chemical kinetics are approximate consequences of the formulas of stochastic chemical kinetics, not the other way around.</p>
 
-
<p>The Gillespie algorithm is so clear and useful that it is often used. However, this algorithm is not suitable for describing transcriptions and translations beacuse they are very slow and complex reactions involving many kinds of reactant molecules. If we treat transcription from plasmids as one reaction, assuming the copy number of plasmids as 200, then the propensity function a equals to the stochastic rate constant multiplied by 200 (200*c). So it will take about one of a two hundred times of an average transcription time to finish one transcription. Of course, in the time scale of average transcription time it is not a big problem, but this may not be good for simulating, like in our project, the system that uses the time for transcriptions and translations cannot be shortened. We introduce time-delay into the Gillespie algorithm based on \cite{delay1}$\sim$\cite{delay3}. The mathematical rightness of this algorithm is proved in \cite{delay3}. Time-delay means treating reactions as following:</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/4/43/Ono_%2828%29.png" class = "math" />
 
-
<p>Furthermore, transcriptions and translations are too complex to list up all of the reactions step by step. Therfore it is better to treat them as time-delay than reaction formulas.</p>
 
-
<p>Now we begin to model our project, sigma Re-counter. In our model, there are only three reactions: transcription, translation, and an association and disassociation of crRNA and taRNA. We introduce time-delay into only transcription and translation. Then, we explain how we treat these three reactions in general.</p>
 
-
<p>First we explain transcription's model\cite{stochastic}. When the RNA polymerase binds to the promoter region, first they take the RNAP・promoter close complex. At this state, the complex can disociate. But with a certain probability, the close complex turn to the open complex which doesn't disociate. After the RNA polymerase and the promoter region take the open complex, a transcription starts. Then the reaction formula of transcription can be described as following's reactions:</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/c/cd/Ono_%2829%29.png" class = "math" />
 
-
<p>combining reaction3' and reaction3'', we get:</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/d/dd/Ono_%2830%29.png" class = "math" />
 
-
<p>Second, we refer to the translational model [8]. Similary to the transcrptional model we model as following;</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/c/c1/Ono_%2831%29.png" class = "math" />
 
-
<p>combining reaction2' and reaction2'', we get:</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/2/26/Ono_%2832%29.png" class = "math" />
 
-
<p>Last, the model of association and disassociation of crRNA and taRNA is a reversible reaction. So we model as following:</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/3/30/Ono_%2833%29.png" class = "math" />
 
-
<p>We can conclude that reaction formulas of our model are as follows:</p>
 
-
</div>
 
-
<div id = "Modeling-4">
 
-
<img src = "https://static.igem.org/mediawiki/2014/6/6f/Sub_implementation.png" class = "contTitle" />
 
-
<p>In this section we have discussed the improved models of the σ-recounter.</p>
 
-
<p>First, we modeled the triple σ-recounter, the expansion of the double counter. Below is the construct of the triple re-counter.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/5/59/Ono_3count_construct.png" class = "figure" />
 
-
<p>The explanation on this construct is available <a href="Javascript:loadContent('Project-block','Project-3')">here</a>. The reaction formulas were established just like as the above-mentioned deterministic model. The result of the modeling of the triple recounter:</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/3/3b/Ono_3count_result.png" class = "figure" />
 
-
<p>The unit of vertical axis is [nM], and that of the horizontal axis is [sec].</p>
 
-
<p>Fig 3count result is the result of the modeling of the triple recounter. Although there seems to be a few leak expression, the count is precisely conducted. Here we did not model resetting, because it is obvious from its orthogonality that resetting will be precisely conducted if the pulse length is long enough.</p>
 
-
<p>Second, we thought of genetic circuits that would not be affected by the pulse length of the arabinose induction. The current σ re-counter depends much on pulse length; when the pulse length is too long, it would count 2 or more (if there is). （Non-improved version）</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/4/4e/Ono_implementation_failure.png" class = "figure" />
 
-
<p>induction time: 20000-40000, 60000-80000</p>
 
-
<p>If the induction is too long, there will be no difference in the first induction and the second induction; that is, it has no function of counting.</p>
 
-
<p>However, by improving this construct a little, our counter would not count more than 1 by a single pulse, as long as the pulse length is long enough (longer than $\tau_{0}$) for it to count. The figure shown below is the improved constructs.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/c/cc/Ono_implementation_construct.png" class = "figure" />
 
-
<p>X and Y are substances that bind together to activate <I>P<sub>X&Y</sub></I> promoter.</p>
 
-
<p>Before arabinose is induced, <I>P<sub>Tet</sub></I> and <I>P<sub>const</sub></I> express  Y and crRBS-sigma. When the arabinose is induced (for longer than time τ0), <I>P<sub>BAD</sub></I> becomes activated and TetR and X are expressed. X binds to Y and the transcription of taRNA from <I>P<sub>X&Y</sub></I> occur, which leads to counting. At that time, expression of Y is repressed by TetR and the amount of Y decreases exponentially. Thus, <I>P<sub>X&Y</sub></I> is again repressed, the amount of taRNA decreases, and the counter never counts more than 1. You might be afraid that <I>P<sub>X&Y</sub></I> also begins transcription of taRNA when the induction ends; however, supposed degradation of X is faster than that of TetR, it will not occur. When the induction ends, X first degrades while still a lot of TetR remain and Y is not abundant. Since <I>P<sub>Tet</sub></I> has a simoidal transcriptional response, the production rate of Y will change little even if the concentration of TetR decrease a little. When TetR degrades so much that it finishes repression of Y, most of X have already decomposed, and <I>P<sub>X&Y</sub></I> will not be activated to begin transcription of taRNA.</p>
 
-
<p>We modeled this construct to test if it can be realized. We did not modeled resetting this time, either.</p>
 
-
<img src = "https://static.igem.org/mediawiki/2014/d/d0/Ono_implementation_result.png" class = "figure" />
 
-
<p>The inductions were modeled to be conducted just the same as non-improved version. Although pulse length is long, counts are precisely done. Thus, theoretically, the counter independent of the pulse length is suggested to be available. Only thing we have to do is to research for the substances that satisfy these conditions!</p>
 
-
</div>
 
-
<div id = "Modeling-5">
 
-
<img src = "https://static.igem.org/mediawiki/2014/7/76/Sub_guideformodeling.png" class = "contTitle" />
 
-
<h3>What is modeling</h3>
 
-
<p>The model should be sufficiently detailed and precise so that it can in principle be used to simulate the bevavior of the system on a computer. </p>
 
-
<p>In the context of molecular cell biology, a model may describe the mechanisms involved intranscription, translation, gene regulation, cellular signaling, DNA damage and repair processes, homeostatic processes, the cell cycle, or apotosis. Indeed any biochemical mechanism of interest can, in principle, be modelled. At a higher level, modeling may be used to describe the functioning of a tissue, organ, or even an entire organism. At still higher levels, models can be used to describe the behavior and time evolution of populations of individual organisms.</p>
 
-
<p>The first issue to confront when embarking on a modeling project is to describe on exactly which features to include in the model, and in particular, the level of detail model is intended to capture. Interacting with other cells and/or its environment, the cell realizes four key functions: growth, proliferation, apotosis, and defferentiation. The processes that realize these functions of a cell can be further organized into three processes levels: gene regulation, signaltransduction and metabolism. So, a model of an entire organism is unlikely to describe the detailed functioning of every individual cell, but a model of a cell is likely to include a variety of very detailed description of key cellular processes. Even then, however, a model of a cell is unlikely to contain details of every single gene and protein.</p>
 
-
<p>Indeed, really accurate modeling of the process would require a model far more detalied and complex than most biologists would be comfortable with, using molecular dynamic simulations that explicitly manage the position and momentum of every molecule in the system.</p>
 
-
<p>The "art" of building a good model is to capture the essential features of the biology without burdening the model with non-essential details. Every model is to some extent a  simplification of the biology, but models are valuable because they take ideas that might have been expressed verbally or diagrammatically and make them more explicit, so that they can begin to be undestood in a quantitative rather than purely qualitative way.</p>
 
-
<h3>Aims of modeling</h3>
 
-
<p>The features of a model depend very much on the aims of the modeling excercise. We therefore need to consider why people model and what they hope to achieve by so doing. Often the most basic aim is to make clear the current state of knowledge regarding a particular system, by attempting to be precise about the elements involved and the interactons between them. Doing this can be a particularly effective way of highlighting gaps in understanding. In addtion, having a detailed model of a system allows people to test that their understanding of a system is correct, by seeing if the implications of their models are consistent with observed experimental data. In practice, this model validation stage is central to the systems biology approach. However this work will often represent only the initial stage of the modeling process. Once people have a model they are happy with, they often want to use their models predictively, by conducting "virtual experiments" that might be difficult, time-consuming, or impossible to do in the lab. Such experiments may uncover important indirect relationships between the model components that would be hard to predict otherwise. An additional goal of modern biological modeling is to pool a number of samll models of well-understood mechanisms into a large model in order to investigate the effect of interactions between the model components. Models can also be extremely useful for informing the design and analysis of complex biological experiments.</p>
 
-
<p>In summary, modeling and computer simulation are becoming increasingly important in post-genomic biology for integrating knowledge and experimental data and making testable predictions about the behavior of complex biological systems.</p>
 
-
<h3>Stochastic Approaches</h3>
 
-
<p>The most common formulation of stochastic models for biochemical networks is the chemical master equation (CME). The analytical nature of the early stochastic approaches was highly complicated and, in some cases, intractable so that they received little attention in the biochemical community. Later, the situation changed with the increasing computational power of modern computers. And finally Gillespie presented an ground-breaking algorithm for numerically generating sample trajectories of the abundances of chemical species in chemical reaction networks. The so-called "stochastic simulation algorithm," or "Gillespie algorithm," can easily be implemented in any programming or scripting language that has a pseudorandom number generator. Several software packages implementing the algorithm have been developed. Differernt stochastic approaches and their interrelationchips are depicted in Figure.</p>
 
-
<img src="https://static.igem.org/mediawiki/2014/e/e8/Chart.png" class="figure" />
 
-
<p>For large biochemical systems, with many species and reactions, stochasitc simulations (based on the original Gillespie algorithm) become computationally demanding. Recent years have seen a large interest in improving the efficiency/speed of stochastic simulations by modification/approximation of the original Gillespie algorithm. These improvements include the "next reaction" method of Gibson and Bruck, the "τ-leap" method and its various improvements and generalizations and the "maximal time step method", which combines the next rection and the τ-leap methods.</p>
 
-
<p>While stochastic simulations sre a practical way to realize the CME, analytical approxinmations offer more insihgts into the influence of noise on cell function. Formally, the CME is a continuous-time discrete-state Markov process. For gaining intuitive insight and a quick characteriztion of fluctuations in biochemical networks, the CME is usually approximated analytically in different ways, including the frequently used chemical Langevin equation (CLE), the linear noise approximation (LNA), and the two-moment approximation (2MA).</p>
 
-
<p>The traditional Langevin approach is based on the assumption that the time-rate of abundance (copy number or concentration) or the flux of a component can be decomposed into a deterministic flux and  a Lngevin moise term, which is a Gaussian (white noise) process with zero mean and amplitude determined by the system dynamics. This separation of noise from system dyanmics may be a reasonable assumption for external noise that arises from the interaction of the system with the other systems (such as the environment), but cannot be assumed for the internal noise that arises from within the system. Internal noise is not something that can be isolated from the system, because it results from the descrete nature of the underlying molecular events. Any noise term in the model must be derived from the system dynamics and cannot be presupposed in an ad hoc manner. However, the CLE does not suffer from above criticism because because Gillespie derived it from the CME description. The CLE allows much faster simulations compared to the exact stochastic simulation algorithm (SSA) and its variants. The CLE is a stochastic diiferent equation (dealing directly with random variables rather than moments) and has no direct way of representing the mean and (co)ariantce and the coupling between the two. That does not imply tha CLE, like the LNA, which has the same mean as the solution of deterministic model, ignores the coupling.</p>
 
-
<p>Markov processes form the basis of the vast majority of stochastic models of dynamical systems. At the center of a stochastic analysis is the Chapman-Kolmogorov equation (CKE), which describes the evolution of a Markov process over time. From the CKE stem three equations of practical importance: the master equation for jump Markov processes, the Fokker-Planck equation for continuous Markov processes, and the differential Chapman-Kolmogorov equation (dCKE) for processes made up both the continuous and jump parts.</p>
 
-
<h3>Stochastic Formulation and Markov Process</h3>
 
-
<p>Since the occurrence of reactions involves discrete and random events at the microscopic level, it is impossible to deterministically predict the progress of recations interms of the macroscopic variables (obsevables) N(t) and Z(t). To acount for this uncertainty, one of the observables N()Z()</p>
 
-
<p>Our goal is to determine how the process N(t) of copy numbers evolves in time. Starting at time t=0 from some initial state N(0), every sample path of the process remains in state N(0) for a random amount of time W\_1 until the occurrence of a reaction takes process to a new state N(W\_1); it remains in state N(W\_1) for another random amount of time W\_2 until the occurrence of another reaction takes the process to a new state N(W\_1+W\_2), and so on. In other words, the time-dependent copy number N(t) is a jump process.</p>
 
-
<p>The stochasitc process N(t) is characterized by a collection of state probabilities and transition probabilities. The state probability P(n,t)=Pr[N(t)=n] is the probability that the process N(t) is the state n at a time t. The transition probability Pr[N(t\_0+t)=n|N(t\_0)=m] is the conditional probability that process N(t) has moved from state m to state n during the time interval [t\_0,t\_0+t]. The analysis of a stochastic process becomes greatly simplified when the above transition probability depends on (i) the starting state m but not on the states before time t\_0 and (ii) the interval length t but not on the. Property (i) is the well-known Markov process. The process holding property (ii) is said to be homogeneous process.</p>
 
-
<p>[1]D.J.Wilkinson.Stochastic Modelling for Systems Biology.Mathematical \& Computational Biology. Chapman \& Hall/CRC, London, Apr. 2006. ISBN 1584885408</p>
 
-
<p>[2]Mukhtar Ullah \& Olaf Wolkenhauer Stochastic Approaches for Systems Biology.</p>
 
-
<h3>References</h3>
 
-
<p>[1] Uri Alon『An introductio to Systems Biology: Design Principles od Biological Circuits』</p>
 
-
<p>[2] Sheri A.Emory, et al A 5' terminal stem-loop structure can stabilize mRNA in Escherichia coli.</p>
 
-
<p>[3] Farren J Isaacs, et al engineered riboregulators enable post-trasncriptional control of gene expression.</p>
 
-
<p>[4] Jason R Kelly, Adam J Rubin,et al Measuring the activity of BioBrick promoters using an in vivo reference standard</p>
 
-
<p>[5] Daniel T.Gillespi A General Method For Numerically Simulating the Stochastic Time Evolution of Coupled Chemical Reaction.</p>
 
-
<p>[6] Andrzej M.Kierzek,et al The Effect of Transcription and Translation Initiation Frequencies on the Stochastic Fluctuations in Prokaryotic Gene Expression</p>
 
-
<p>[7] Marc R Roussel and Rui Zhu Validation of an algorithm for delay stochastic simulation of transcription and translation in prokaryotic gene expression.</p>
 
-
<p>[8] Andre S. Ribeiro Stochastic and delayed stochastic models of gene expression and regulation.</p>
 
-
<p>[9] Robert Schlicht and Gerhard Winkler A delay stochastic process with applicartions in molecular biology.</p>
 
-
<p>[10] JENS BO ANDERSEN, et al New Unstable Variants of Green Fluorescent Protein fot Studies of Transitent Gene Expression in Bacteria.</p>
 
-
<p>[11] Moises Santillan, et al Influence of Catabolite Repression and Inducer Exclusion on the Bistable Behavior of the lac Operon.</p>
 
-
<p>[12] Judith A.Megerle, Georg Fritz, et al Timing and Dynamics of Single Cell Gene Expression in the Arabinose Utilization System</p>
 
-
<p>[13] D.J.Wilkinson.Stochastic Modelling for Systems Biology.Mathematical & Computational Biology.Chapman & Hall/CRC, London, Apr. 2006. ISBN 1584885408</p>
 
-
<p>[14] Mukhtar Ullah & Olaf Wolkenhauer Stochastic Approaches for Systems Biology.</p>
 
-
<p>[15] Part:BBa I13453 <http://parts.igem.org/Part:BBa_I13453> ( We ?nally accessed on 2014/8/20)</p>
 
-
<p>[16] iGEM Kyoto 2010 <https://2010.igem.org/Team:Kyoto/Project/Goal_A></p>
 
-
<p>[17] pSB1A2 <http://parts.igem.org/Part:pSB1A2> ( We ?nally accessed on 2014/8/20)</p>
 
-
<p>[18] pSB1C3 <http://parts.igem.org/Part:pSB1C3> ( We ?nally accessed on 2014/8/20)</p>
 
-
</div>
 
</div>
</div>
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<div id = "Attribution-1">
 
-
<img src="https://static.igem.org/mediawiki/2014/4/44/Sub_attribution.png" class = "contTitle" />
 
-
<p>Our activities involved in iGEM were all conducted by undergaduates alone!!<br>Based on fund-raisings and public relations, all team members had a lot of brainstoming, investigations and discussions in order to select project carefully. And we conducted experiments and FINALLY saw results.<br>We also designed and composed all publish tools, and of course, polished all scripts and presentation by ourselves.</p>
 
-
<h3>Project</h3>
 
-
<p>All we had a lot of brainstorming, investigations and discussion when we decide our projects.<br><b>Yoichi Irie</b>(Team Leader)<br />σ-ReCounter:<br><b>Shunsuke Sumi</b>(idea)<br><b>So Nakashima</b>(idea and comformation)<br><b>Takefumi Yoshikawa</b>(comformation)<br><br>CTCD:<br><b>Masayuki Osawa</b>(conformation)<br><b>Shigetaka Kobari</b>(investigation and conformation)<br><b>Shunsuke Sumi</b>(conformation)<br><b>Senkei Hyo</b>(investigation)<br><b>Yoshihiko Tomofuji</b>(conformation)<br><b>Yshiki Okesaku</b>(investigation)</p>
 
-
<h3>Experiment</h3>
 
-
<p>Lab. Leader:<br><b>Takefumi Yoshikawa</b>(construction, assay;σ-ReCounter)<br><br>Lab. Members:<br><b>Atsuki Ito</b>(construction)<br><b>Hajime Takemura</b>(construction)<br><b>Keisuke Tsukada</b>(construction)<br><b>Kentaro Tara</b>(construction)<br><b>Kento Nakamura</b>(construction, assay;σ-ReCounter)<br><b>Naruki Yoshikawa</b>(construction)<br><b>Nobuhiro Hiura</b>(construction)<br><b>Shigetaka Kobari</b>(assay;CTCD)<br><b>So Nakashima</b>(construction, Assay;σ-ReCounter)<br><b>Yoshihiko Tomofuji</b>(assay;CTCD)<br><b>Yuto Yamanaka</b>(construction)</p>
 
-
<h3>Modeling</h3>
 
-
<p><b>Keisuke Tsukada, Kentaro Tara, Manabu Nishiura, Masaki Ono</b></p>
 
-
<h3>Web</h3>
 
-
<p>Almost all members wrote drafts of our team wiki.<br><b>Cristian David</b>(check our English)<br><b>Hiroki Tsuboi</b>(team website, implementation of our team wiki)</p>
 
-
<h3>App</h3>
 
-
<p><b>Naruki Yoshikawa</b></p>
 
-
<h3>Design</h3>
 
-
<p><b>Cristian David</b>(parker design)<br><b>Yoshiki Okesaku</b>(all design, all figure)</p>
 
-
<h3>Presentation</h3>
 
-
<p><b>Kento Nakamura, Manabu Nishiura, Masato Ishikawa, Yumeno Koga, Yuto Yamanaka</b></p>
 
-
<h3>Poster</h3>
 
-
<br>
 
-
<h3>Public Relation</h3>
 
-
<p><b>Ding Yuewen, Keisuke Tsukada</b></p>
 
-
<h3>Adviser</h3>
 
-
<p><b>Kota Tosimitsu</b></p>
 
-
</div>
 
-
<div id = "Attribution-2">
 
-
<img src="https://static.igem.org/mediawiki/2014/4/44/Sub_Ackno.png" class="contTitle" />
 
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</div>
 
-
<div id = "Attribution-3">
 
-
<img src="https://static.igem.org/mediawiki/2014/3/38/Sub_sponsors.png" class="contTitle" />
 
-
<img src="https://static.igem.org/mediawiki/2014/7/72/Promega.png" class="sponsor">
 
-
<p><b>Promega KK.</b>for chamical reagents</p>
 
-
<p><b>Teiyukai, Faculty of Engineering, The University of Tokyo</b>for fund</p>
 
-
<p><b>Integrated DNA Technologies MBL</b></p>
 
-
<img src="https://static.igem.org/mediawiki/2014/3/30/Cosmobio.png" class="sponsor">
 
-
<p><b>COSMO BIO Co., Ltd.</b>for fund<br></p>
 
-
<img src="https://static.igem.org/mediawiki/2014/1/17/Liveanest.png" class="sponsor">
 
-
<p><b>Leave a Nest Co., Ltd.(Hiroyuki Takahashi)</b>for advice for public relations & introduction of Promega KK.</p>
 
-
</div>
 
-
</div>
 
-
<!-- Safety -->
 
-
<div id = "Safety-block" style = "display:none;">
 
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<div id = "Safety-1">
 
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<p>We will paste here some parts of the safety form of our team.</p>
 
-
<p>We also discussed safety of our team in <a href="Javascript:loadContent('Humanpractice-block','Humanpractice-2')">human practice page</a>.</p>
 
-
<h3>Your Training</h3>
 
-
<p>a) Have your team members received any safety training yet?</p>
 
-
<p>We have not had any safety training officially, but have been taught by learned people.</p>
 
-
<p>b) Please briefly describe the topics that you learned about (or will learn about) in your safety training.</p>
 
-
<p>We learned about techniques for preventing diffusion of Escherichia coli or other organisms including ogenetically modified organisms into environment and risks concerning DNA assembly experiments.</p>
 
-
<p>c) Please give a link to the laboratory safety training requirements of your institution (college, university, community lab, etc). Or, if you cannot give a link, briefly describe the requirements.</p>
 
-
<p>Division for Environment, Health and Safety (http://www.adm.u-tokyo.ac.jp/office/anzeneisei/index.html) in our university is responsible for training laboratory safety. <br />Taking lab safety training course is not mandatory, but strongly recommended for those who are involved in experiments. However, this course is for the graduate school students and senior stuffs, and not open to undergraduate students. We thus had a training directly from the PI.</p>
 
-
 
-
<h3>The Organisms and Parts that You Use</h3>
 
-
<table cellspacing="0" cellpadding="0" style="background-color:#FFF;width:890px; word-break:break-word;margin-left:10px;text-align:center" border="1">
 
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  <col width="120px">
 
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  <col width="50px" align="center">
 
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  <col width="100px">
 
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  <col width="60px" align="center">
 
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  <col width="120px">
 
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  <col width="120px">
 
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  <col width="100px">
 
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  <col width="100px">
 
-
  <tr><th>Species name(including strain)</th><th>Risk Group</th><th>Risk Group Source</td><th>Disease risk to humans?</td><th>Part number/name</th><th>Natural function of part</th><th>How did you acquire it?</th><th>How will you use it?</th><th>Notes</th></tr>
 
-
  <tr><td>Escherichia coli JM109</td><td>1</td><td>DSMZ</td><td>no</td><td></td><td></td><td>from our Lab</td><td>DNA asssembly</td><td></td></tr>
 
-
  <tr><td>Escherichia coli MG1655</td><td>1</td><td>DSMZ</td><td>no</td><td></td><td></td><td>from our Lab</td><td>Assay</td><td></td></tr>
 
-
  <tr><td>Pseudomonas fluorescens</td><td>2</td><td>http://www.absa.org/riskgroups/bacteriasearch.php?genus=Pseudomonas</td><td>yes</td><td>sigma factor</td><td>polymerize RNA with RNA polymerase</td><td>order the part DNA from a synthesis company</td><td>transcriptional control</td><td>The bacteria causes opportunistic infection and it affects with usually    patients with compromised immune systems.</td></tr>
 
-
  <tr><td>Pseudomonas protegens</td><td>1</td><td>http://www.dsmz.de/catalogues/details/culture/DSM-19095.html</td><td>no</td><td>anti sigma factor</td><td>prevent combination between RNA polymerase and specific sigma factor</td><td>order the part DNA from a synthesis company</td><td>transcriptional control</td><td></td></tr>
 
-
  <tr><td>Pseudomonas syringae</td><td>1</td><td>DSMZ</td><td>no</td><td>sigma factor</td><td>polymerize RNA with RNA polymerase</td><td>order the part DNA from a synthesis company</td><td>transcriptional control</td><td></td></tr>
 
-
  <tr><td>Pseudomonas syringae</td><td>1</td><td>DSMZ</td><td>no</td><td>anti sigma factor</td><td>prevent combination between RNA polymerase and specific sigma factor</td><td>order the part DNA from a synthesis company</td><td>transcriptional control</td><td></td></tr>
 
-
  <tr><td>Chlorocebus aethiops COS-1</td><td>1</td><td>DSMZ</td><td>no</td><td></td><td></td><td>receive the cells from another lab</td><td>Assay</td><td></td></tr>
 
-
  <tr><td>Chlorocebus aethiops COS-7</td><td>1</td><td>DSMZ</td><td>no</td><td></td><td></td><td>receive the cells from another lab</td><td>Assay</td><td></td></tr>
 
-
  <tr><td>Homo sapiens HL-60</td><td>1</td><td>DSMZ</td><td>no</td><td></td><td></td><td>receive the cells from another lab</td><td>Assay</td><td></td></tr>
 
-
  <tr><td>Homo sapiens oral epithelial cell</td><td>1</td><td>http://www.lifescience.mext.go.jp/bioethics/data/anzen/syourei_02.pdf</td><td>no</td><td>EGP2 promoter</td><td>the promoter of EpCAM</td><td>from the member of our team</td><td>transcriptional control</td><td></td>
 
-
  </tr>
 
-
</table>
 
-
<h3>Risks of Your Project Now</h3>
 
-
<p>Please describe risks of working with the biological materials (cells, organisms, DNA, etc.) that you are using in your project. If you are taking any safety precautions (even basic ones, like rubber gloves), that is because your work has some risks, however small. Therefore, please discuss possible risks and what you have done (or might do) to minimize them, instead of simply saying that there are no risks at all.</p>
 
-
<p>a) Risks to the safety and health of team members, or other people working in the lab</p>
 
-
<p>When we are exposed to E. coli cells, we have a chance to have irritation in our eyes, skin, and respiratory system. Furthermore, ethidium bromide which we use to detect DNA band is carcinogen. We also use mammalian cells in assay. These cells can be infected by viruses which can also infect us. We also use harmful reagent, such as membrane binding solution.</p>
 
-
<p>b) Risks to the safety and health of the general public (if any biological materials escaped from your lab):</p>
 
-
<p>As maintained above, our lab has harmful organisms and substances. If they diffused outside, there might be health hazard.</p>
 
-
<p>c) Risks to the environment (from waste disposal, or from materials escaping from your lab)</p>
 
-
<p>We might dispose chips or tubes which contain a bit amount of genetically modified organisms without sterilizing. It offenses the law of our country; they may effect on biodiversity in our country. The bacteria we used also have drug resistance against ampicillin or CP, and if escaped, they could not be killed by those drugs. Mammalian cells are so weak that they can hardly live in the natural world.</p>
 
-
<p>d) Risks to security through malicious mis-use by individuals, groups, or countries</p>
 
-
<p>There seems to be no risks with this subject. In today's cognition, parts that we use do not seem to lead the expression of harmful materials.</p>
 
-
<p>e) What measures are you taking to reduce these risks? (For example: safe lab practices, choices of which organisms to use.)</p>
 
-
<p>In order to avoid the risks about bacterial cells shown above, we autoclave all wastes, sterilize all equipments  that contain the organisms with detergent or hypochlorous acid. When bacteria exposed outside the tubes or examiners, we immediately seterilize them with ehtanol. Furthermore, in order to keep ethidium bromide away from our skin, we use kimwipes to wrap the chips used to taking it up before throwing away, and we take care that our bare hands do not touch the gel polluted by the substance.</p>
 
-
<h3>Risks of Your Project in the Future</h3>
 
-
<p>What would happen if all your dreams came true, and your project grew from a small lab study into a commercial/industrial/medical product that was used by many people? We invite you to speculate broadly and discuss possibilities, rather than providing definite answers. Even if the product is "safe", please discuss possible risks and how they could be addressed, rather than simply saying that there are no risks at all.</p>
 
-
<p>a) What new risks might arise from your project's growth? (Consider the categories of risk listed in parts a-d of the previous question: lab workers, the general public, the environment, and malicious mis-uses.) Also, what risks might arise if the knowledge you generate or the methods you develop became widely available?</p>
 
-
<p>In sigma-Recounter project, the circuit we constructed has potential for the application for defeating pests or bacteria by means of the expression of toxic proteins. In this case, there is a risk that you mistakenly output the toxin.<br />In CTCD project, the role of the circuits is to detect CTCs by GFP, thus it is thought to be difficult to have a risk of doing humans or environment harm.</p>
 
-
<p>b) Does your project currently include any design features to reduce risks? Or, if you did all the future work to make your project grow into a popular product, would you plan to design any new features to minimize risks? (For example: auxotrophic chassis, physical containment, etc.) Such features are not required for an iGEM project, but many teams choose to explore them.</p>
 
-
<p>In the future study of sigma-Recounter project, in addition to the reset system, we intend to increase the number of nodes and to enable one state to move to any other states. Therefore, if our project is used to express a toxin to defeat pest or bacteria, you can prepare an anti-toxin node or a reset system for mistakenly expressing the toxin.</p>
 
-
</div>
 
</div>
</div>
<!-- Human Practice -->
<!-- Human Practice -->
<div id = "Humanpractice-block" style = "display:none;">
<div id = "Humanpractice-block" style = "display:none;">
-
<div id = "Humanpractice-1">
 
-
<img src = "https://static.igem.org/mediawiki/2014/1/1c/Sub_introduction.png" class = "contTitle"/>
 
-
<p>This year, we set 2 goals in human practice and have made efforts to realize following goals.</p>
 
-
<p><b>1.Spreading iGEM in general public.</b></p>
 
-
<p><b>2.Activating iGEM in Japan.</b></p>
 
-
<p>We set these 2 goals because we want to remove prejudice against gene recombination and synthetic biology, and familiarize people with synthetic biology. By doing these, we think that people can understand synthetic biology better.</p>
 
-
<p>We also expect undergraduate students, who will lead next generation of biology, to improve their skills by activating iGEM in Japan.</p> </div>
 
-
<div id = "Humanpractice-2">
 
-
<img src="https://static.igem.org/mediawiki/2014/4/4b/Sub_to_spread_igem_in_general_public.png" class = "contTitle" />
 
-
<h3>"EcoLightsOut"</h3>
 
-
<p>We have developed an Android app. to introduce our project. This is a puzzle game which uses the counting system we created. In the project, the state of E. coli is changed by stimulus of signal molecules. In the game, players can stimulate the E. coli by touching it. E. coli are displayed in 3x3 or 5x5 grid shape. When you touch an E. coli in the game, the colors of the E. coli and four adjacent ones are changed. This behavior is analogy of diffusion of signal molecules. The goal is to turn all E. coli green.</p>
 
-
<p>Synthetic biology is not well-known and thought to be unfamiliar to ordinary people. To introduce synthetic biology into public, an easy entrance such as playing game is effective. We hope that players will get interested in synthetic biology by enjoying this game.</p>
 
-
<p>You can download this game from Google Play.</p>
 
-
<h3>Lectures to general public</h3>
 
-
<h4>School festivals</h4>
 
-
<p>The university of Tokyo has two school festivals per year. The May festival is held in May and the Komaba festival was held in November.We explained iGEM and synthetic biology briefly and introduce our project to audience. We　invited other iGEM teams in Japan to May festival.  We offered precious opportunities that Japanese iGEM teams meet through May festivals.</p>
 
-
<h4>Techno-Edge</h4>
 
-
<p>Techno-Edge is the event which the department of technology of university of Tokyo held. The purpose of this event was to appeal department of technology to junior high or high school students.Many laboratories and academic circles such as Robotech took part in this event. iGEM UT-Tokyo also participated in it to appeal synthetic biology.</p>
 
-
<p>Not only high school and junior high, but also primary school students came to our booth and were interested in our explanation.</p>
 
-
<h4>Presentation</h4>
 
-
<p>This year, iGEM Nagahama invited us to the genetics society of Japan, and we participated in it. We made an oral presentation workshop of synthetic biology and took part in poster session. There were many iGEM teams, and we could advertise iGEM in academic world. Moreover, specialists gave advice to us, and we were inspired by professors of synthetic biology.</p>
 
-
<p>We also joined in Japanese Society for Cell Synthesis Research.</p>
 
-
<h4>A cram school</h4>
 
-
<p>We held a seminar in which we explained synthetic biology and iGEM for high school students at a cram school in Komaba.</p>
 
-
</div>
 
-
<div id = "Humanpractice-3">
 
-
<img src="https://static.igem.org/mediawiki/2014/3/34/Sub_to_activate_igem.png" class = "contTitle" />
 
-
<h3>Collaborations</h3>
 
-
<p>We collaborated on modeling with Nagahama.</p>
 
-
<p>Their project aimed cadmium collection using <i>Escherichia coli</i> which has positive chemotaxis for aspartic acid, then we constructed simplified model of chemotaxis
 
-
and simulated behavior of <i>E. coli</i> by using probability and random function.</p>
 
-
<p>Their wiki explained the result of modeling.(→link) We constructed all equations in their simulation including the equation that determines <i>E. coli</i> to choose going straight or turning in probability, and explained equations to them.The figure describing the result of simulation is also made by UT-Tokyo. All code for modeling is here.(→link)</p>
 
-
<h3>Ethics and regulation</h3>
 
-
<p>We thought to confirm whether our project meets ethics, but ethics is very vague, so we decided to research about ethics.</p>
 
-
<h3>iGEM Japan</h3>
 
-
<p>iGEM Japan is an organization which was founded last year for iGEM teams in Japan to cooperate each other.</p>
 
-
<p>In March, iGEM Kyoto held iGEM-Japan West meeting. In this meeting, we shared each team's project and advised each other. This meeting was very useful because we could find our idea's weak point.</p>
 
-
<p>In August, iGEM TMU-Tokyo held iGEM-Japan East meeting, and we made presentations about our projects and criticized each other. Thanks to these meetings, we developed quality of our projects.</p>
 
-
</div>
 
</div>
</div>
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</div>
</div>
<div class = "member">
<div class = "member">
-
<p class = "name">CRISTIAN DAVID PENA MARINEZ</p>
+
<p class = "name" style="font-size:35px;">CRISTIAN DAVID PENA MARINEZ</p>
<img src = "https://static.igem.org/mediawiki/2014/f/f1/Chris_comb.png" class ="member-detail" />
<img src = "https://static.igem.org/mediawiki/2014/f/f1/Chris_comb.png" class ="member-detail" />
<dl class = "profile">
<dl class = "profile">
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<dd>Experimenter</dd>
<dd>Experimenter</dd>
</dl>
</dl>
-
<p class ="comment">I want to be a doctor.</p>
+
<p class ="comment">follow me on Twitter(<a href="https://twitter.com/dolicas_" target="_blank" >@dolicas_</a>)</p>
</div>
</div>
</div>
</div>
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</div>
</div>
<div class = "member">
<div class = "member">
-
<p class = "name">MASAKI ONO</p>
+
<p class = "name">KOHTA TOSHIMITSU</p>
<img src = "https://static.igem.org/mediawiki/2014/7/7c/Toshimitsu_comb.png" class ="member-detail" />
<img src = "https://static.igem.org/mediawiki/2014/7/7c/Toshimitsu_comb.png" class ="member-detail" />
<dl class = "profile">
<dl class = "profile">
<dt>Name</dt>
<dt>Name</dt>
-
<dd>Masaki Ono</dd>
+
<dd>Kohta Toshimitsu</dd>
<dt>Belong to</dt>
<dt>Belong to</dt>
-
<dd>The University of Tokyo, Literature, Sophmore</dd>
+
<dd>Faculty of Pharmacy,　Keio University</dd>
<dt>Job</dt>
<dt>Job</dt>
-
<dd>Modeling</dd>
+
<dd>Adviser</dd>
</dl>
</dl>
-
<p class ="comment">I want to be a doctor.</p>
+
<p class ="comment">I'm so sick of pipetting.</p>
</div>
</div>
</div>
</div>
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</div>
</div>
<div class = "member">
<div class = "member">
-
<p class = "name">YUTO NAKAYAMA</p>
+
<p class = "name">YUTO YAMANAKA</p>
<img src = "https://static.igem.org/mediawiki/2014/2/26/Yamanaka_comb.png" class ="member-detail" />
<img src = "https://static.igem.org/mediawiki/2014/2/26/Yamanaka_comb.png" class ="member-detail" />
<dl class = "profile">
<dl class = "profile">
<dt>Name</dt>
<dt>Name</dt>
-
<dd>Yuto Nakayama</dd>
+
<dd>Yuto Yamanaka</dd>
<dt>Belong to</dt>
<dt>Belong to</dt>
-
<dd>e</dd>
+
<dd>Department of Electrical Engineering and Bioscience, School of Advanced Science and Engineering, Waseda University</dd>
<dt>Job</dt>
<dt>Job</dt>
-
<dd></dd>
+
<dd>Experimenter, Presenter</dd>
</dl>
</dl>
-
<p class ="comment">I want to be a doctor.</p>
+
<p class ="comment">I like Falcon tubes.</p>
</div>
</div>
</div>
</div>
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<dd>Experimenter</dd>
<dd>Experimenter</dd>
</dl>
</dl>
-
<p class ="comment">What is it?<br />1. The "i"nsufficient sleep is its best friend<br />2. The "G"enetic circuit is its brain<br />3. The "E". coli is its engine<br />4. The "M"icropipette is its God.<br />Answer. "Oh, it's iGEMer!!!"</p>
+
<p class ="comment">Let's go to Saitama, Japan!</p>
</div>
</div>
</div>
</div>
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<dd>Web</dd>
<dd>Web</dd>
</dl>
</dl>
-
<p class ="comment"></p>
+
<p class ="comment">After wiki freeze, I will make other Web Site</p>
</div>
</div>
</div>
</div>
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<dd>Experiment Leader</dd>
<dd>Experiment Leader</dd>
</dl>
</dl>
-
<p class ="comment">I want to be SpeⅠ.</p>
+
<p class ="comment">I want to be Spe1.</p>
</div>
</div>
</div>
</div>
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</dl>
</dl>
<p class ="comment">kimuwaipu,azinai...</p>
<p class ="comment">kimuwaipu,azinai...</p>
 +
</div>
 +
</div>
 +
</div>
 +
<div class = "element-item">
 +
<div class = "thumbnail">
 +
<img src = "https://static.igem.org/mediawiki/2014/3/3e/Prof_wakamoto.png" class ="member-thumbnail" />
 +
</div>
 +
<div class = "detail">
 +
<div class = "meta">
 +
<p>iGEM UT-Tokyo</p>
 +
<img src = "https://static.igem.org/mediawiki/2014/9/98/Ui_close_40.png" class = "closebutton" />
 +
</div>
 +
<div class = "member">
 +
<p class = "name">PROF.WAKAMOTO</p>
 +
<img src = "https://static.igem.org/mediawiki/2014/f/fb/Prof_wakamoto_comb.png" class ="member-detail" />
 +
<dl class = "profile">
 +
<dt>Name</dt>
 +
<dd>Yuichi Wakamoto</dd>
 +
<dt>Belong to</dt>
 +
<dd>Center for Complex Systems Biology The University of Tokyo, Dapartment of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo</dd>
 +
<dt>Job</dt>
 +
<dd>Instructor</dd>
 +
</dl>
</div>
</div>
</div>
</div>

Latest revision as of 03:03, 18 October 2014

Retrieved from "http://2014.igem.org/Team:UT-Tokyo/Counter/Project"