Process for producing L-isoleucine by S-2-aminoethyl-L-cysteine or D-Serine resistant strains of E coli
US5460958A · kind A · utility
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Key dates
| Filing date | Oct 26, 1993 |
| Grant date | Oct 24, 1995 |
| Priority date | — |
| Expiry date | Oct 26, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/849
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A process for the production of L-isoleucine using the microorganism, Escherichia coli H-8670 (FERM BP-4051) which has resistance to 0.2 g/l S-(2-aminoethyl)-L-cysteine or Escherichia coli H-8683 (FERM BP-4052) which has a resistance of 20 g/l of D-serine. The microorganism is cultured in a nutrient medium for a time and under conditions sufficient to produce L-isoleucine and the L-isoleucine is recovered from the medium.
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