FIELD: biotechnology, microbiology, amino acids.
SUBSTANCE: invention relates to a method for preparing L-threonine using microorganism belonging to genus Escherichia that is modified and wherein operon phoBR is inactivated. Invention provides preparing L-threonine with high degree of effectiveness.
EFFECT: improved preparing method.
3 cl, 2 tbl, 2 dwg, 11 ex
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|---|---|---|---|
| METHOD FOR PREPARING L-THREONINE USING MICROORGANISM BELONGING TO GENUS ESCHERICHIA WHEREIN mazEF OPERON IS INACTIVATED | 2005 |
|
RU2313573C2 |
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RU2311453C2 |
