Team:UESTC-China/BioBrick

From 2014.igem.org

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<h2><i>FDH</i> <a href="http://parts.igem.org/Part:BBa_K1537025">(<u>BBa_K1537025</u>)</a></h2>
<h2><i>FDH</i> <a href="http://parts.igem.org/Part:BBa_K1537025">(<u>BBa_K1537025</u>)</a></h2>
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<p style="color:#1b1b1b;">
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Formate dehydrogenase (FDH) is a mitochondrial-localized NAD-requiring enzyme while the HCOOH is getting into the mitochondrial,FDH will oxidize the formic acid into CO2, and reduce NAD+ to NADH with a high degree of specificity. In our project, the heterologous expression of <i>FDH</i> from arabidopsis thaliana was completed.
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Formate dehydrogenase (FDH) is a mitochondrial-localized NAD-requiring enzyme while the HCOOH is getting into the mitochondrial, FDH will oxidize the formic acid into CO2, and reduce NAD+ to NADH with a high degree of specificity. In our project, the heterologous expression of <i>FDH</i> from arabidopsis thaliana was completed.
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<h2><i>AHA2</i> <a href="http://parts.igem.org/Part:BBa_K1537028"> (<u>BBa_K1537028</u>) </a></h2>
<h2><i>AHA2</i> <a href="http://parts.igem.org/Part:BBa_K1537028"> (<u>BBa_K1537028</u>) </a></h2>
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Stomata are microscopic pores surrounded by two guard cells and play an important role in the uptake of CO2 for photosynthesis. Recent researches revealed that light-induced stomatal opening is mediated by at least three key components:blue light receptor phototropin, plasma membrane H+-ATPase, and plasma membrane inward-rectifying K+ channels. However, Yin Wang, et al, showed that only increasing the amount of H+-ATPase in guard cells had a significant effect on light-induced stomatal opening. Transgenic Arabidopsis plants by overexpressing H+-ATPase in guard cells exhibited enhanced photosynthesis activity and plantgrowth. Therefore, in order to improve the ability of absorbing formaldehyde, we overexpresse H+-ATPase (<i>AtAHA2</i>) in transgenic tobacco guard cells , resulting in a significant effect on light-induced stomatal opening.
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Stomata are microscopic pores surrounded by two guard cells and play an important role in the uptake of CO2 for photosynthesis. Recent researches revealed that light-induced stomatal opening is mediated by at least three key components: blue light receptor phototropin, plasma membrane H+-ATPase, and plasma membrane inward-rectifying K+ channels. However, Yin Wang, et al, showed that only increasing the amount of H+-ATPase in guard cells had a significant effect on light-induced stomatal opening. Transgenic Arabidopsis plants by overexpressing H+-ATPase in guard cells exhibited enhanced photosynthesis activity and plantgrowth. Therefore, in order to improve the ability of absorbing formaldehyde, we overexpresse H+-ATPase (<i>AtAHA2</i>) in transgenic tobacco guard cells , resulting in a significant effect on light-induced stomatal opening.
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It’s chloroplast transit peptides. We use them to guide HPS-PHI and FALDH into chloroplast.
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They both are chloroplast transit peptides. We use them to guide HPS-PHI and FALDH into chloroplast.
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  <h1 class="SectionTitles" style="width:1100px;background-color: #2828FF">Improved Parts</h1>
  <h1 class="SectionTitles" style="width:1100px;background-color: #2828FF">Improved Parts</h1>
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<h2>35S promoter + translation initiation optimized sequence for dicot + MASS translation enhancer<a href="http://parts.igem.org/Part:BBa_K1537015">(<u>BBa_K1537015</u>)</a></h2>
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<h2>35S promoter<a href="http://parts.igem.org/Part:BBa_K1537015">(<u>BBa_K1537015</u>)</a></h2>
<h2>Pre-existing Part:<a href="http://parts.igem.org/Part:BBa_K414002"><u>BBa_K414002</u></a></h2>
<h2>Pre-existing Part:<a href="http://parts.igem.org/Part:BBa_K414002"><u>BBa_K414002</u></a></h2>
<p>Our 35S promoter is based on BBa_K414002, and we also add translation initiation optimized sequence for dicot and MASS translation enhancer after 35S promoter to enhance gene-expression in plants.<br/><br/><br/></p>
<p>Our 35S promoter is based on BBa_K414002, and we also add translation initiation optimized sequence for dicot and MASS translation enhancer after 35S promoter to enhance gene-expression in plants.<br/><br/><br/></p>
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<h2>GSG linker+T2A <a href="http://parts.igem.org/Part:BBa_K1537017">(<u>BBa_K1537017</u>)</a></h2>
<h2>GSG linker+T2A <a href="http://parts.igem.org/Part:BBa_K1537017">(<u>BBa_K1537017</u>)</a></h2>
<h2>Pre-existing Part: <a href="http://parts.igem.org/wiki/index.php?title=Part:BBa_K1199016"><u>BBa_K1199016</u>, </a> <a href="http://parts.igem.org/wiki/index.php?title=Part:BBa_K1199046"><u>BBa_K1199046</u></a></h2>  
<h2>Pre-existing Part: <a href="http://parts.igem.org/wiki/index.php?title=Part:BBa_K1199016"><u>BBa_K1199016</u>, </a> <a href="http://parts.igem.org/wiki/index.php?title=Part:BBa_K1199046"><u>BBa_K1199046</u></a></h2>  
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<p>We added GSG linker to enhance cleavage. In addition, we use 3 kinds of 2As rather than only one 2A in a vetor.<br/></p>
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<p>We added GSG linker to enhance cleavage. In addition, we use 3 kinds of 2As rather than only one 2A in a vector.<br/></p>
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GSG linker is an oligopeptide of “Gly-Ser-Gly” between your protein and 2A peptide to enhance cleavage.
GSG linker is an oligopeptide of “Gly-Ser-Gly” between your protein and 2A peptide to enhance cleavage.
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The 18~22 amino acids 2A self-cleaving oligopeptides can be used for co-expression of multiple, discrete proteins from a single ORF. Based on highly inefficient peptide bond formation between glycine and proline residues within the 2A peptide, placement of 2A peptide sequence as a linker region between tandem cDNA’s allows the stoichiometric translation of multiple unfused protein products. To minimize the risk of homologous recombination, it is important to use different 2A peptide sequences if more than two genes are being linked. The 2A peptide system has thus far worked successfully in all eukaryotic systems tested, from mammalian cells, yeast, and plants. In our project,we use F2A , P2A and T2A to achieve our goal.
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The 18~22 amino acids 2A self-cleaving oligopeptides can be used for co-expression of multiple, discrete proteins from a single ORF. Based on highly inefficient peptide bond formation between glycine and proline residues within the 2A peptide, placement of 2A peptide sequence as a linker region between tandem cDNA’s allows the stoichiometric translation of multiple unfused protein products. To minimize the risk of homologous recombination, it is important to use different 2A peptide sequences if more than two genes are being linked. The 2A peptide system has thus far worked successfully in all eukaryotic systems tested, from mammalian cells, yeast, and plants. In our project, we use F2A, P2A and T2A to achieve our goal.
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Latest revision as of 03:10, 18 October 2014

UESTC-China