ArticleNature chemical biology2019
Escherichia coli "Marionette" strains with 12 highly optimized small-molecule sensors.
Article in Nature chemical biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 261 papers.
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Who cites it
261 citing papers in PubMed.
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201 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors.
Funding
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Abstract
Cellular processes are carried out by many genes, and their study and optimization requires multiple levers by which they can be independently controlled. The most common method is via a genetically encoded sensor that responds to a small molecule. However, these sensors are often suboptimal, exhibiting high background expression and low dynamic range. Further, using multiple sensors in one cell is limited by cross-talk and the taxing of cellular resources. Here, we have developed a directed evolution strategy to simultaneously select for lower background, high dynamic range, increased sensitivity, and low cross-talk. This is applied to generate a set of 12 high-performance sensors that exhibit >100-fold induction with low background and cross-reactivity. These are combined to build a single "sensor array" in the genomes of E. coli MG1655 (wild-type), DH10B (cloning), and BL21 (protein expression). These "Marionette" strains allow for the independent control of gene expression using 12 small-molecule inducers.
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