Enterobacteriaceae bacteria exhibiting increased L-cysteine producing ability
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United States of America Patent
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Apr 4, 2017
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Mar 14, 2014
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Mar 19, 2013
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Abstract
L-cysteine can be produced inexpensively and efficiently by using a bacterium belonging to the family Enterobacteriaceae modified to reduce activity of O-acetylserine sulfhydrylase B thereof, the bacterium being modified so that the C terminal region of its thiosulfate-binding protein is deleted, and the bacterium having an increased ability to produce L-cysteine in the presence of a sulfate.
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