METHOD FOR PREPARING L-AMINO ACIDS, STRAIN ESCHERICHIA COLI AS PRODUCER OF L-AMINO ACID (VARIANTS)
FIELD: biotechnology, microbiology, amino acids. SUBSTANCE: L-amino acids, such as L-phenylalanine or L-tryptophan are prepared by culturing bacterium Escherichia coli that shows the enhanced ability for producing L-amino acids. Then indicated amino acids are isolated from cultural fluid. Strains of...
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| creator | MASHKO S.V DOROSHENKO V.G SKOROKHODOVA A.JU KATASHKINA ZH.I LIVSHITS V.A BELAREVA A.V VITUSHKINA M.V BIRJUKOVA I.V |
| description | FIELD: biotechnology, microbiology, amino acids. SUBSTANCE: L-amino acids, such as L-phenylalanine or L-tryptophan are prepared by culturing bacterium Escherichia coli that shows the enhanced ability for producing L-amino acids. Then indicated amino acids are isolated from cultural fluid. Strains of bacterium Escherichia coli AY 12739 (pYDDG 2) and SU 164 PL-yddG(pGH5) show the enhanced ability for producing L-phenylalanine and L-tryprophan. Invention provides preparing L-amino acids with high degree of effectiveness. EFFECT: enhanced effectiveness of strain. 7 cl, 1 dwg, 4 tbl |
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SUBSTANCE: L-amino acids, such as L-phenylalanine or L-tryptophan are prepared by culturing bacterium Escherichia coli that shows the enhanced ability for producing L-amino acids. Then indicated amino acids are isolated from cultural fluid. Strains of bacterium Escherichia coli AY 12739 (pYDDG 2) and SU 164 PL-yddG(pGH5) show the enhanced ability for producing L-phenylalanine and L-tryprophan. Invention provides preparing L-amino acids with high degree of effectiveness. EFFECT: enhanced effectiveness of strain. 7 cl, 1 dwg, 4 tbl</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE |
| title | METHOD FOR PREPARING L-AMINO ACIDS, STRAIN ESCHERICHIA COLI AS PRODUCER OF L-AMINO ACID (VARIANTS) |
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