FIELD: biotechnology.
SUBSTANCE: invention relates to the microbiological industry. Disclosed is an Escherichia coli strain with an inactivated ttdT gene producing L-threonine. Strain is deposited in VKPM under registration number VKPM V-13514. Said strain is capable of synthesising 16.8 g/l of L-threonine when cultivated in a test tube.
EFFECT: invention widens the range of Escherichia coli strains producing L-threonine.
1 cl, 1 tbl, 2 ex, 1 dwg
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