FIELD: biotechnology, microbiology, amino acids.
SUBSTANCE: invention relates to a method for producing L-amino acids using microorganism belonging to genus Escherichia wherein gene mlc encoding the global regulator of carbohydrates metabolism is inactivated. For producing such amino acid as L-threonine the strain Escherichia coli TDH7Δmlc::cat/pPRT614 is used wherein gene mlc is inactivated. Invention provides producing L-amino acids with the high degree of effectiveness.
EFFECT: improved producing method.
5 cl, 2 dwg, 1 tbl, 2 ex
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