Team:Yale

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<h1>Biosynthesis of an Anti-Biofouling Surface Binding Polymer with the 21st Amino Acid- L-Dopamine</h1>
 
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<h1 style="display:none">Biosynthesis of an Anti-biofouling Surface Binding Polymer with the 21st Amino Acid- L-Dopamine</h1>
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<h1 style="display:none">Biosynthesis of an Anti-biofouling Surface Binding Polymer with the 21st Amino Acid- L-DOPA</h1>
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<p> <img src="http://placehold.it/1100x328/293660/FFFFFFF/&text=Antimicrobial+Shielding" > </p>
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<tr><td colspan="1"><a href="#"><img src="http://placehold.it/550x300/293660/FFFFFFF/&text=Abstract"></a></td><td colspan="2"><a href="#"><img src="http://placehold.it/550x300/293660/FFFFFFF/&text=Video"></a></td></tr>
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<tr><td colspan="3"><div class = "well" style="margin-bottom:10px"><p> <strong><center>Producing a Novel Antimicrobial Surface-Binding Peptide Using an Improved T7 Expression System</center></strong><p>
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Biofilm formation on surfaces is an issue in the medical field, naval industry, and other areas. We developed an anti-fouling peptide with two modular components: a mussel adhesion protein (MAP) anchor and LL-37, an antimicrobial peptide. MAPs can selectively attach to metal and organic surfaces via L-3,5-dihydroxyphenylalanine (L-DOPA), a nonstandard amino acid that was incorporated using a genetically recoded organism (GRO).  Because this peptide is toxic to the GRO in which it is produced, we designed a better controlled inducible system that limits basal expression. This was achieved through a novel T7 riboregulation system that controls expression at both the transcriptional and translational levels.  This improved system is a precise synthetic switch for the expression of cytotoxic substances in the already robust T7 system. Lastly, the antimicrobial surface-binding peptide was assayed for functionality.
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<tr><td colspan="3"><a href="https://2014.igem.org/Team:Yale/Achievements"><img src="https://static.igem.org/mediawiki/2014/2/29/Yale_Achivements.png"  width="1100"></a></td></tr>
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Latest revision as of 03:37, 18 October 2014

Biosynthesis of an Anti-biofouling Surface Binding Polymer with the 21st Amino Acid- L-DOPA


Producing a Novel Antimicrobial Surface-Binding Peptide Using an Improved T7 Expression System

Biofilm formation on surfaces is an issue in the medical field, naval industry, and other areas. We developed an anti-fouling peptide with two modular components: a mussel adhesion protein (MAP) anchor and LL-37, an antimicrobial peptide. MAPs can selectively attach to metal and organic surfaces via L-3,5-dihydroxyphenylalanine (L-DOPA), a nonstandard amino acid that was incorporated using a genetically recoded organism (GRO). Because this peptide is toxic to the GRO in which it is produced, we designed a better controlled inducible system that limits basal expression. This was achieved through a novel T7 riboregulation system that controls expression at both the transcriptional and translational levels. This improved system is a precise synthetic switch for the expression of cytotoxic substances in the already robust T7 system. Lastly, the antimicrobial surface-binding peptide was assayed for functionality.

Main Campus:
Molecular, Cellular & Developmental Biology
219 Prospect Street
P.O. Box 208103
New Haven, CT 06520
Phone: 203.432.3783
igem@yale.edu
natalie.ma@yale.edu (Graduate Advisor)
Copyright (c) 2014 Yale IGEM