Journal
CURRENT OPINION IN BIOTECHNOLOGY
Volume 35, Issue -, Pages 30-36Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.copbio.2014.12.021
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Biosensors offer exciting possibilities for improving cells or enzymes as biocatalysts for the synthesis of small molecules. We here review recent progress in the development and the screening applications of transcription-factor-based biosensors. An example is a cofactor-dependent biosensor which provides a generalizable screen for NADPH-dependent enzymes. Another example is the use of a biosensor in combination with recombineering for strain development, thereby expanding the genome engineering techniques to deliver directly bacteria producing small molecules of interest. Biosensor-based techniques in combination with fluorescence-activated cell sorting demonstrate that the gap regarding throughput capabilities of existing methods for the generation of genetic diversity and methods for the subsequent screening can be closed.
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