having a disrupted putrescine degradation pathway
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United States of America Patent
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Dec 12, 2017
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app pub date -
Apr 13, 2016
filing date -
Oct 28, 2013
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Abstract
The present invention provides a method for producing L-amino acids such as L-amino acids belonging to the glutamate family by fermentation using a bacterium of the family Enterobacteriaceae, particularly a bacterium belonging to the genus Escherichia, which has been modified to disrupt the putrescine degradation pathway by, for example, inactivation of one gene or several genes from the puuADRCBE gene cluster.
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