Team:Paris Saclay/Project

From 2014.igem.org

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<li>A - The chassis coli Odor free</li>
<li>A - The chassis coli Odor free</li>
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Escherichia coli stinks because of the tnaA gene which produces an enzyme that transforms the L-tryptophan into indole, responsible for the stench. If we want our lemon to smell like one, we have to delete this gene.
Escherichia coli stinks because of the tnaA gene which produces an enzyme that transforms the L-tryptophan into indole, responsible for the stench. If we want our lemon to smell like one, we have to delete this gene.
In the lab, we already had a strain in which the tnaA was replaced by a kanamycin resistance, but it wasn't the right strain. So we switched the tnaA sequence with the kanamycin resistance in our bacterium by phage transduction. After the recombination, we used a flipase to delete the kanamycin resistance. The remaining bacterium doesn't smell at all.  
In the lab, we already had a strain in which the tnaA was replaced by a kanamycin resistance, but it wasn't the right strain. So we switched the tnaA sequence with the kanamycin resistance in our bacterium by phage transduction. After the recombination, we used a flipase to delete the kanamycin resistance. The remaining bacterium doesn't smell at all.  
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    <a href="https://static.igem.org/mediawiki/2014/f/fc/OdorFree.jpg"><img src="img/montagne_mini.jpg" alt="Preparation of the coli odor free chassis" /></a>
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                      <img src = "https://static.igem.org/mediawiki/2014/f/fc/OdorFree.jpg" alt = "Schema Preparation of the coli odor free chassis" style="width: 400px; height: 500px; />  
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<li>B - Construction of the fusion protein (color)</li>
<li>B - Construction of the fusion protein (color)</li>
<li>C - Salicylate Inducible Suppressing System</li>
<li>C - Salicylate Inducible Suppressing System</li>

Revision as of 15:08, 4 August 2014

Page under construction. Our team is working hard and excited to develop a very good Wiki.

The different parts of our project:

  • A - The chassis coli Odor free
  • Escherichia coli stinks because of the tnaA gene which produces an enzyme that transforms the L-tryptophan into indole, responsible for the stench. If we want our lemon to smell like one, we have to delete this gene. In the lab, we already had a strain in which the tnaA was replaced by a kanamycin resistance, but it wasn't the right strain. So we switched the tnaA sequence with the kanamycin resistance in our bacterium by phage transduction. After the recombination, we used a flipase to delete the kanamycin resistance. The remaining bacterium doesn't smell at all. Schema Preparation of the coli odor free chassis