From 2012.igem.org
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| | == '''Attributions''' == | | == '''Attributions''' == |
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| - | We aim to establish a system in Escherichia coli that generates a large number of different proteins by combinatorial fusion of few protein coding sub fragments. Our project was inspired by the VDJ-recombination of human immune system using a limited number of protein coding sequences to generate a huge diversity of antibodies.We designed an A and B module containing each three different protein coding sub fragments to be recombined. Recombination of one A fragment with one B fragment is achieved by the site-specific Gin recombinase of bacteriophage Mu. Specific Gix sites arranged as direct repeats are causing deletion within the modules and create combined fragments. Other Biobricks like a Gin enhancer and the suicide gene ccdb are located in between the modules and being deleted if an A and B fragment is fused. Those are necessary to ensure proper recombination. To visualize our results we decided to fuse fluorescent proteins of different color with intracellular localization domains. As proof of principle of our recombination machine, we expect E. colis to fluoresce in different colors at different cell domains. (This might also give us the opportunity to quantify whether occurrence of curtain recombination products is related to the position of its sub fragments to the Gin enhancer)
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Revision as of 11:41, 25 September 2012
Each team must clearly attribute work done by the team on this page. They must distinguish work done by the team from work done by others, including the host labs, advisors, instructors, graduate students, and postgraduate masters students.
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