06916637 is referenced by 23 patents and cites 2 patents.

The invention relates to a fermentation process for the preparation of L-amino acids, especially L-threonine, in which the following steps are carried out: a) fermentation of the microorganisms of the family Enterobacteriaceae producing the desired L-amino acid, in which microorganisms at least the pckA gene and/or the open reading frames yjfA and ytfP are, individually or jointly, attenuated and, in particular, switched off, b) enrichment of the L-amino acid in the medium or in the bacterial cells, and c) isolation of the L-amino acid.

Title
Fermentation process for the preparation of L-amino acids using strains of the family Enterobacteriaceae
Application Number
9/963668
Publication Number
6916637 (B2)
Application Date
September 27, 2001
Publication Date
July 12, 2005
Inventor
Georg Thierbach
Bielefeld
DE
Thomas Hermann
Bielefeld
DE
Christine Bastuck
Bielefeld
DE
Mechthild Rieping
Bielefeld
DE
Agent
Pillsbury Winthrop Shaw Pittman
Assignee
Degussa
DE
IPC
C12N 001/20
C12N 009/12
C12P 013/08
C12P 013/06
C12P 013/04
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