FIELD: chemistry.
SUBSTANCE: invention relates to biotechnology and microbiological industry, particularly to a method of producing L-arginine using Escherichia bacteria which is modified such that one or more genes which are constituents of the artPIQM-artJ cluster are inactivated in said bacteria.
EFFECT: invention enables to obtain L-arginine with high efficiency.
6 cl, 2 dwg, 1 tbl, 3 ex
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