FIELD: medicine, pharmaceutics.
SUBSTANCE: present invention relates to biotechnology, and represents a method for preparing L-arginine with the use of the bacteria of to the genus Escherichia, which is modified in such a way that the astCADBE operon in the mentioned bacterium is inactivated. The bacterium is grown in a culture medium, after that L-arginine is recovered from a culture fluid.
EFFECT: method enables providing higher productivity of the bacteria producing L-arginine and producing high-yield L-arginine.
4 cl, 2 tbl, 14 ex
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