FIELD: biotechnology.
SUBSTANCE: L-amino acid is obtained by using bacteria belonging Escherichia genus having enhanced expression of xylose utilization gene. Claimed method includes culturing of said bacterium producer in cultural liquid containing xylose followed by isolation of L-amino acid from cultural liquid.
EFFECT: high effective method for production of l-amino acids.
18 cl, 1 dwg, 7 tbl, 6 ex
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