FIELD: biotechnology, microbiology.
SUBSTANCE: amino acid L-threonine is prepared by culturing microorganisms belonging to genus Escherichia eliciting ability for producing L-threonine. Indicated microorganism is modified with aim to elevate activity of aspartate aminotransferase. Invention provides preparing amino acid L-threonine with high degree of effectiveness.
EFFECT: improved preparing method.
12 cl, 1 tbl, 2 ex
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