FIELD: biotechnology; microbiology.
SUBSTANCE: invention relates to biotechnology and microbiological industry. Disclosed is a strain of Escherichia coli VKPM B-13427, which produces L-threonine. Strain has a genotype rphwt, ΔtdcBCDE, Δkbl-tdh, ΔsstT, rpsLK43R, galKTyr38TAG, araBTyr57TAG, rhaBTyr163TAG, PH207-thrA433BC-TrrnB, P1077PR-rhtA, spoTT252ins(CATGAT)253A; G520T; C1585T. Strain is characterized by high rate of growth and rate of synthesis of L-threonine.
EFFECT: invention widens the range of Escherichia coli strains producing L-threonine.
1 cl, 1 tbl, 2 ex, 10 dwg
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