Team:Lyon-INSA-ENS/Realisation/Week5

From 2011.igem.org

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     <p style="text-align : center"> <small> From Monday the 4th of July to Friday the 8th of July 2011 </small> </p>
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     <p style="text-align : center"> <small> From Monday the 11th of July to Friday the 15th of July 2011 </small> </p>
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   <h6 style="text-align :left"> Monday </h6> <HR>
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Visit of Centraco.
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Additional minipreps using the QuickPure protocol of the same 6 parts ( 5 replica each ) <br/>
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Digestion as previously<br/><br/>
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Ligation to obtain : RBS ( strong and weak ) + GFP, RBS ( strong and weak ) + YFP. This corresponds respectively to 2M+2L, 5L+2L, 2M+24E, 5L+24E assemblies.<br/><br/>
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Start of a 5mL culture of NM522 cells.<br/>
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   <h6 style="text-align :left"> Tuesday </h6> <HR>
   <h6 style="text-align :left"> Tuesday </h6> <HR>
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The sequencing results were not enough good due to too high concentration of plasmid. Resent of dillute sample.<br/> <br/>  
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Start of a 50mL culture of NM522 from the overnight preculture ( 50mL sterile LB, 250µL of preculture ).<br/>
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Transformation of 5µL ( S series ) or 10 µL ( D series ) from the previous ligations into NM522 (V=15mL) using a CaCl2 chemical transformation. Positive control was done with 1µL Puc18, negative with 5µL water. <br/> <br/>
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An other french newspaper <B>"Le progrès"</B> interviewed us.
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Sequencing results obtained. Mutagenesis of the plasmids with the least errors by quick change method to remove unwanted restriction sites (EcoRI or PstI).<br/>
 
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<h6 style="text-align :left"> Wednesday </h6> <HR>
<h6 style="text-align :left"> Wednesday </h6> <HR>
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              <img src="https://static.igem.org/mediawiki/2011/d/d3/Notebook-tournage.jpg" width="80px" />
 
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Miniprep of the clones with the mutated plasmid to get more plasmid for the next step.
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Selection of individual transformed colonies and start of solid and liquid culture.<br/><br/>
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Digestion of PCR/mutagenesis product with DpnI to eliminate parental plasmid. Transformation of NM522 strains with plasmid. Culture and selection on ampicilline plates.
 
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We shoot our "Cobalt Buster's Clip" which introduces, in a funny way, our team : students, instructors and advisors.  We dedicate the all afternoon to this shooting.
 
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<h6 style="text-align :left"> Thursday </h6> <HR>
<h6 style="text-align :left"> Thursday </h6> <HR>
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Miniprep using the QuickPure protocol of the previous liquid cultures.<br/><br/>
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French national day !
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Digestion of the plasmids by X+P.<br/><br/>
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Electrophoresis of the digested and non digested plasmids : <br/>
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2M+2L S1 : no DNA <br/>
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5L+2L S1 : 800 bp insert <br/>
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2M+2L S2 : no DNA <br/>
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2M+2L D1 : 800 bp insert <br/>
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5L+24E S2 : no insert <br/>
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5L+2L D2 : 800 bp insert <br/>
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2M+24E S2 : no insert <br/>
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2M+24E D2 : 800 bp insert <br/><br/>
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However, due to the small size of the RBS, a flaw in our protocol ( choice of antibiotic resistances ) doesn't allow us to detect a difference between 24E or 2L plasmids compared to their ligated equivalents. Thus we can't conclude that the 800 bp inserts correspond to the ligated parts.<br/><br/>
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Selection of clones on plate and liquid culture for miniprep. Digestion of purified PCR product in Tango buffer to have a better efficiency. Transformation of NM522 with purified plasmids.
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  <h6 style="text-align :left"> Friday </h6> <HR>
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  <h6 style="text-align :left"> Friday </h6> <HR>
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Miniprep of clones with mutated plasmids. Restriction to check the removal of unwanted restriction sites (EcoRI or PstI). Send of plasmids with the expected profile to sequencing.
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Revision as of 07:49, 28 July 2011










Week 5


From Monday the 11th of July to Friday the 15th of July 2011







Monday

Visit of Centraco.





Tuesday

The sequencing results were not enough good due to too high concentration of plasmid. Resent of dillute sample.

An other french newspaper "Le progrès" interviewed us.





Wednesday

Miniprep of the clones with the mutated plasmid to get more plasmid for the next step.



Thursday

French national day !





Friday







ENS assystem Biomérieux INSA INSA
Retrieved from "http://2011.igem.org/Team:Lyon-INSA-ENS/Realisation/Week5"