Automated design of synthetic ribosome binding sites to control protein expression.
Automated design of synthetic ribosome binding sites to control protein expression.
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DOI:
10.1038/nbt.1568
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发表时间:
2009-10
影响因子:
46.9
通讯作者:
Voigt, Christopher A.
中科院分区:
文献类型:
--
作者:
Salis, Howard M.;Mirsky, Ethan A.;Voigt, Christopher A.
Microbial engineering often requires fine control over protein expression; for example, to connect genetic circuits or control flux through a metabolic pathway. We have developed a predictive design method for synthetic ribosome binding sites that enables the rational control of a protein's production rate on a proportional scale. Experimental validation of over 100 predictions in Escherichia coli shows that the method is accurate to within a factor of 2.3 over a range of 100,000-fold. The design method also correctly predicts that reusing a ribosome binding site sequence in different genetic contexts can result in different protein expression levels. We demonstrate the method's utility by rationally optimizing a protein's expression level to connect a genetic sensor to a synthetic circuit. The proposed forward engineering approach will accelerate the construction and systematic optimization of large genetic systems.
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