Team:Paris Bettencourt/YonatanTest

From 2013.igem.org

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    <h2><a href="https://2013.igem.org/Team:Paris_Bettencourt/Project/Target">Target</a></h2>
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  <h2>Background</h2>
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  <p>CRISPR/Cas systems generate site-specific double strand breaks and have recently been used for genome editing.  </p>
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  <h2>Aims</h2>
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  <p>Building a genotype sensor based on CRISPR/Cas that reports existance of an antibiotic resistance gene.</p>
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  <h2>Results</h2>
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            <li>Successfully cloned gRNA anti-KAN, crRNA anti-KAN, tracrRNA-Cas9 and pRecA-LacZ into Biobrick backbones and therefore generated four new BioBricks. </li>
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            <li>Testing the new assembly standard for our cloning.</li>
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<center> <img width="95%" style="margin-top:30px" src="https://static.igem.org/mediawiki/2013/5/55/PB_Bb_target.png"/><br></center>
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        <p style="margin-top:-60px;font-size:13px">CRISPR anti-Kan plasmids target kanamycin resistant E. coli. WT (blue) and a kanamycin resistant strain (KanR, red) were co-transformed with a plasmid carrying the Cas9 construct, and a second plasmid carrying the anti-Kanamycin gRNA. WT was successfully transformed with one or both plasmids.  KanR E. coli couldn’t be tranformed with both plasmids because of Cas9-induced cleavage of the chromosome specifically at the KanR cassette, with about 99% efficiency.
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Revision as of 12:34, 25 October 2013

Detect

Background

CRISPR/Cas systems generate site-specific double strand breaks and have recently been used for genome editing.

Aims

Building a genotype sensor based on CRISPR/Cas that reports existance of an antibiotic resistance gene.

Results

  • Successfully cloned gRNA anti-KAN, crRNA anti-KAN, tracrRNA-Cas9 and pRecA-LacZ into Biobrick backbones and therefore generated four new BioBricks.
  • Testing the new assembly standard for our cloning.

CRISPR anti-Kan plasmids target kanamycin resistant E. coli. WT (blue) and a kanamycin resistant strain (KanR, red) were co-transformed with a plasmid carrying the Cas9 construct, and a second plasmid carrying the anti-Kanamycin gRNA. WT was successfully transformed with one or both plasmids. KanR E. coli couldn’t be tranformed with both plasmids because of Cas9-induced cleavage of the chromosome specifically at the KanR cassette, with about 99% efficiency.

Target

Background

CRISPR/Cas systems generate site-specific double strand breaks and have recently been used for genome editing.

Aims

Building a genotype sensor based on CRISPR/Cas that reports existance of an antibiotic resistance gene.

Results

  • Successfully cloned gRNA anti-KAN, crRNA anti-KAN, tracrRNA-Cas9 and pRecA-LacZ into Biobrick backbones and therefore generated four new BioBricks.
  • Testing the new assembly standard for our cloning.

CRISPR anti-Kan plasmids target kanamycin resistant E. coli. WT (blue) and a kanamycin resistant strain (KanR, red) were co-transformed with a plasmid carrying the Cas9 construct, and a second plasmid carrying the anti-Kanamycin gRNA. WT was successfully transformed with one or both plasmids. KanR E. coli couldn’t be tranformed with both plasmids because of Cas9-induced cleavage of the chromosome specifically at the KanR cassette, with about 99% efficiency.

Centre for Research and Interdisciplinarity (CRI)
Faculty of Medicine Cochin Port-Royal, South wing, 2nd floor
Paris Descartes University
24, rue du Faubourg Saint Jacques
75014 Paris, France
+33 1 44 41 25 22/25
team2013@igem-paris.org
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