Patent · US Expired

Microorganism resistant to threonine analogue and production of biotin

US6020173A · kind A · utility

1Cited by
0References
4Claims
0Family size

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Key dates

Filing dateFeb 19, 1997
Grant dateFeb 1, 2000
Priority date
Expiry dateFeb 19, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12P17/186
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A microorganism resistant to a threonine analogue, which has a plasmid containing part or whole of a biotin operon; and a process for producing biotin, which comprises culturing a microorganism described above in a medium to produce and accumulate biotin in the medium, and collecting biotin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.