Team:Peking University

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Revision as of 03:16, 30 October 2008


Project Summary

A Genetic Circuit for Directed Evolution in vivo

Directed evolution is a powerful tool for answering scientific questions or constructing novel biological systems. Here we present a simple genetic circuit for in vivo directed evolution which comprises minimal elements for random mutation and artificial selection. We engineer yeast to generate the DNA mutator hAID, an essential protein in adaptive immunity, and target it specifically to a gene of interest. The target gene will be mutated and consequently promptly evolves. By linking the expression of hAID repressor LacI and favorite gene functionality, the mutation rate inversely correlates between the functionality of the desired gene and hAID. This circuit may be adopted for in vivo evolution in eukaryotic system on genetically encoded targets. It has a variety of potential applications in academic and industrial contexts, theoretically most inter-molecular interaction that involves proteins and RNAs.
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Peking University

Peking University is a comprehensive and National key university. The campus, known as "Yan Yuan"-- the gardens of Yan, is situated at the northeast of the Haidian District at the western suburbs of Beijing. It stands near the Yuan Ming Gardens and the Summer Palace.

The University consists of 30 colleges and 12 departments, with 93 specialties for undergraduates,2 specialties for the second Bachelor's degree, 199 specialties for Master candidates and 173 specialties for Doctoral candidates. While still laying stress on basic sciences, the university has paid special attention to the development of applied sciences.

Peking University has become a center for teaching and research and a university of the new type, consisting of diverse branches of learning such as pure and applied sciences, social sciences and the humanities, and sciences of management and education. Its aim is to rank among the world's best universities at the beginning of the next century.

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Road to the Jamboree

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Acknowledgement
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