Team:TU Delft-Leiden/Project/Notebook/LabjournalGeneral

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    <h2> General Labjournal </h2>
 
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<p> This labjournal will give more information on the production of stocks, general testing not within a certain module and
 
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collaborations with other iGEM teams.<br>
 
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back to the contents page click </p>
 
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<a href="https://2014.igem.org/Team:TU_Delft-Leiden/Project/Notebook">
 
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        <p> here. </p> </a>
 
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<h3> 25th of June </h3>
 
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<p> Grow on shakeflasks the 25 samples that we requested from the iGEM HQ.
 
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The biobrick numbers of the requested samples: K1172305, K1172306, K1172401, K1172403,
 
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K1172404, K917013, K917014, K1127006, K1172303, K1172304, K1179019, K917012, K917009,
 
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K917006, K917003, K1172405, K1172501, K1172502, K1172503, K1172504, K1172505, K1172507,
 
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K540000, K342003, K540001. </p>
 
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<h3> 26th of June </h3>
 
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<p> Miniprepped and made glycerol stocks of the 25 samples that we requested from the iGEM HQ. </p>
 
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<h3> 7th of July </h3>
 
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<p> Prepare solutions for competent cells preparation (MgCl2 and CaCl2) </p>
 
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<h3> 8th of July </h3>
 
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<p> Prepare all the sequencing mixtures. The parts to be sequenced were:
 
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K1172306, K1172403, K1172404, K1172303, K917009, K917006, K917003, K1172502, K540000 and K342003. </p>
 
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    <h3> 15th of July </h3>
 
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<p> Made competent cells of C43(DE3) and BL21(DE3) for transformation.
 
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Cultivate the transformed constructs from 14.07.2014 in LB medium for miniprep.
 
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Also cultivate mKate (amp), eGFP (amp) and Rhamnose promoter - Bba_K914003 (cam)
 
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and the strain AYCE189 from Lu lab is also cultivated (for a glycerolstock). </p>
 
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<h3> 16th of July </h3>
 
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<p> Miniprepped the samples cultivated on 15.07.2014, except for the strain AYCE189.
 
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Measured the concentration of the isolated DNA with nanodrop: <br>
 
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PAYC002 122.8 ng/ul <br>
 
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rr12y(rii)g 52.6 ng/ul<br>
 
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PAYC003 187.0 ng/ul<br>
 
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rrjt12(11)g 32.3 ng/ul<br>
 
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PAYC005 27.8 ng/ul<br>
 
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PAYC008 22.3 ng/ul<br>
 
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PAYC006 37.0 ng/ul<br>
 
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PAYC007 22.3 ng/ul<br>
 
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I5023 22.5 ng/ul<br>
 
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C640 14.3 ng/ul<br>
 
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mKate 39.2 ng/ul<br>
 
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eGFP 165.1 ng/ul<br>
 
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Rhamnose 47.7 ng/ul<br>
 
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Cultivated the samples again in shakeflasks.
 
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Made glycerolstocks of all the cultivated samples from 15.07.2014.<br> <br>
 
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Test the competency of C43(DE3): <br>
 
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30 ul competent C43 cells + 100 ng pUC19 (AmpR)(190 ng/ul), plated in duplo on Cm (neg. control), Amp (pos. control) LB plates and on LB plate without antibiotics<br>
 
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30 ul competent C43 cells plated in duplo on Cm (neg. control), Amp (neg. control) LB plates and on LB plate without antibiotics (pos. control)</p>
 
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<h3> 17th of July </h3>
 
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<p> Results of the plates for positive and negative control of C43<br>
 
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• C43 + pUC19(AmpR) + Amp plates Much growth<br>
 
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• C43 + pUC19(AmpR) + Cm plates No growth<br>
 
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• C43 + pUC19(AmpR) + without antibiotic Much growth<br>
 
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• 2x diluted C43 + pUC19(AmpR) + Amp plates Single colonies<br>
 
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• 2x diluted C43 + pUC19(AmpR) + Cm plates No growth<br>
 
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• 2x diluted C43 + pUC19(AmpR) + without antibiotic Much growth<br>
 
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• C43 + no plasmid + Amp plates No growth<br>
 
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• C43 + no plasmid + Kan plates No growth<br>
 
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• C43 + no plasmid + Cm plates No growth<br>
 
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We decided to not dilute the competent cells for the future experiments.<br>
 
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CFU for pUC19(AmpR): 1120 colonies on the plate.<br>
 
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Test the competency of BL21(DE3)<br>
 
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• 30 ul competent BL21 cells + 100 ng pUC19 (AmpR)(190 ng/ul), plated in duplo on Cm (neg. control), Amp (pos. control) LB plates and on LB plate without antibiotics<br>
 
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• 30 ul competent BL21 cells plated in duplo on Cm (neg. control), Amp (neg. control) LB plates and on LB plate without antibiotics (pos. control)<br>
 
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• 2x diluted 30 ul competent BL21 cells + 100 ng pUC19 (AmpR)(190 ng/ul) plated in duplo on Amp (pos. control) LB plates </p>
 
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<h3> 18th of July </h3>
 
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<p> Results of the plates for positive and negative control of BL21(DE3)<br>
 
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• BL21 + pUC19(AmpR) + Amp plates Much growth<br>
 
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• BL21 + pUC19(AmpR) + Cm plates No growth<br>
 
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• BL21 + pUC19(AmpR) + without antibiotic Much growth<br>
 
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• 2x diluted BL21 + pUC19(AmpR) + Amp plates Single colonies<br>
 
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• BL21 + no plasmid + Amp plates No growth<br>
 
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• BL21 + no plasmid + without antibiotic Much growth<br>
 
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• BL21 + no plasmid + Cm plates No growth<br> </p>
 
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<h3> 22th of July </h3>
 
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<p> Prepared antibiotics, 500ul in each eppendorf cup. Saved in ‘Antibiotics’ box in the freezer with other iGEM materials. 1000x stock solutions.<br>
 
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• Chloramphenicol diluted in EtOH <br>
 
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34 mg/ml in EtOH -> 0,391 gram diluted in 11,5 ml EtOH<br>
 
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• Kanamycin diluted in H2O<br>
 
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10 mg/ml in H2O -> 0,095 gram diluted in 9,5 ml H2O<br>
 
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• Ampicillin diluted in H2O<br>
 
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100 mg/ml in H2O -> 0,92 gram diluted in 9,2 ml H2O<br>
 
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Pre-culture DH5-alpha has been prepared, 100 mL LB medium is cultivated and placed in the shaker. Overnight at 37 degrees and 180 rpm. </p>
 
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<h3> 23th of July </h3>
 
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<p> Made competent cells of DH5a and saved in the freezer (-80). </p>
 
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<h3> 28th of July </h3>
 
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<p> The samples asked from Exeter iGEM team were prepared and sent to them. The samples requested are:
 
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- BBa_K1022115 , Kanamycin resistant
 
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- BBa_K1022105 , Chloramphenicol resistant
 
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- BBa_K112808 , Ampicillin resistant
 
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Transformation of pUC19 in BL21 and DH5a as a control
 
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• 30ul + 100ng pUC19 (190 ng/ul)
 
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o Plated 50ul and 100 ul on Cam, Amp and plates without antibiotics
 
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• 30ul competent cells
 
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o Plated 50ul and 100 ul on Cam, Amp and plates without antibiotics</p>
 
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<h3> 29th of July </h3>
 
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<p> Cristy and Anne
 
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Results of the DH5a and BL21 plates:
 
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• BL21 + pUC19(AmpR) + Amp plates Much growth, big single colonies
 
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• BL21 + pUC19(AmpR) + Cm plates No growth
 
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• BL21 + pUC19(AmpR) + without antibiotic Much growth
 
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• BL21 + no plasmid + Amp plates No growth
 
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• BL21 + no plasmid + without antibiotic Much growth
 
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• BL21 + no plasmid + Cm plates No growth
 
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• DH5a + pUC19(AmpR) + Amp plates Much growth, little single colonies
 
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• DH5a + pUC19(AmpR) + Cm plates No growth
 
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• DH5a + pUC19(AmpR) + without antibiotic Much growth
 
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• DH5a + no plasmid + Amp plates No growth
 
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• DH5a + no plasmid + without antibiotic Much growth
 
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• DH5a + no plasmid + Cm plates No growth
 
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Tomek and Esra: making trace elements solution 2 attempts</p>
 
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<h3> 30th of July </h3>
 
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<p> Esra
 
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Making the M4 minimal medium Trace Elements Solution (third attempt) + buffer (exact contents will be updated)
 
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-Changed adding order
 
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-Adding order 1- EDTA, 2- Mg, 3-Mn, 4-NaCl, 6-CoCl etc.
 
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-Added number 5- (FeCl diluted in 22.5 mL HCl) at the end!!
 
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-All added except FeCl (in HCl) -> no precipitations!! All is diluted well!
 
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Inoculated the transformed iGEM registry constructs
 
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Resistance Transformation Grown in (ml LB):
 
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Cam DH5a + k823017 5ml & 10 ml
 
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Cam DH5a + k808000 5ml & 10 ml
 
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Kan DH5a + I20260 5ml & 10 ml
 
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Cam DH5a + 80017 5ml & 10 ml
 
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Amp DH5a + J231100 5ml & 10 ml
 
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Amp DH5a + pUC19 5ml & 10 ml</p>
 
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<h3> 20th of August </h3>
 
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<p> Janna
 
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Made medium M4 with different carbon sources.
 
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1. 400 ml 40 mM D/L-lactate M4
 
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342 ml MilliQ
 
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10 ml Buffer 40 x
 
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4 ml 0.1 M CaCl2
 
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40 ml 0.4 M D/L-lactate
 
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4 ml Trace elements 100 x
 
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2. 400 ml 40 mM glycerol M4
 
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342 ml MilliQ
 
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10 ml Buffer 40 x
 
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4 ml 0.1 M CaCl2
 
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40 ml 0.4 M Glycerol
 
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4 ml Trace elements 100 x
 
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3. 400 ml 40 mM glucose M4
 
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342 ml MilliQ
 
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10 ml Buffer 40 x
 
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4 ml 0.1 M CaCl2
 
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40 ml 0.4 M Glucose
 
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4 ml Trace elements 100 x </p>
 
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<h3> 21th of August </h3>
 
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<p> Janna
 
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Tested competent cells BL21 culture 1, BL21 culture 2 and C43. I used pUC19 as test DNA (ampR). Made the following combinations:
 
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1. 30 μl BL21.1 with 1 μl MilliQ
 
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2. 30 μl BL21.1 with 1 μl pUC19
 
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3. 30 μl BL21.2 with 1 μl MilliQ
 
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4. 30 μl BL21.2 with 1 μl pUC19
 
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5. 30 μl C43 with 1 μl MilliQ
 
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6. 30 μl C43 with 1 μl pUC19
 
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There were no colonies on the plates, so the cells are not competent.
 
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Cristy: Made competent cells of CsgB (approximately 30 eppendorfs containing 100ul competent cells). OD600: 0,567 and 0,589</p>
 
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<h3> 22th of August </h3>
 
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<p> Joan
 
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Prepare samples for Melbourne iGEM team:
 
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• pET23b - Ulp1-His6 (AmpR)
 
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• BBa_K1022107:pcI-Ulp in pSB1C3 col2
 
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• BBa_K1022113:pBAD-Ulp-TT in pSB1C3 col2 </p>
 
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<h3> 26th of August </h3>
 
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<p> Chloramphenicol diluted in EtOH
 
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34 mg/ml in EtOH -> 0,3912 gram diluted in 11,5ml EtOH. Divided in aliquots of 500 ul. Refilled stock with 22 new cups.
 
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Janna
 
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Making M4 with D/L-lactate. Same protocol as 20/8, only filter sterilized the whole bottle after making it.</p>
 
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<h3> 28th of August </h3>
 
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<p> Janna
 
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Transformation of pUC19 in C43+ET20 as test
 
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Made the following transformations:
 
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0.5 ul pUC19 plasmid (concentration of 100.2 ng/ul) added to 30 ul of C43+ET20 competent cells
 
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1 ul MilliQ added to 30 ul of C43+ET20 competent cells as a negative control
 
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Followed the transformation in home-made competent cells protocol and made six plates with each 100 ul:
 
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pUC19 in C43+ET20 (ampR and camR):
 
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Ampicillin - some growth
 
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Chloramphenicol - some growth
 
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Amp and Cam - lots of growth
 
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MQ in C43+ET20 (camR):
 
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Ampicillin - no growth
 
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Chloramphenicol - some growth
 
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Amp and Cam - no growth
 
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This means the cells are competent, but the efficiency is low.</p>
 
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Latest revision as of 15:22, 13 October 2014