Process for the preparation of L-amino acids by fermentation and nucleotide sequences coding for the accDA gene

US6361986B1 · kind B1 · utility

Assignee

• Degussa-Huels AG · DE

Inventors

• Yvonne Tilg · Wuppertal, DE
• Bernd Eikmanns · Ulm, DE
• Lothar Eggeling · Jülich, DE
• Hermann Sahm · Jülich, DE
• Bettina Mockel · Bielefeld, DE

Key dates

• Filing date: Jul 29, 1999
• Grant date: Mar 26, 2002
• Expiry date: Jul 29, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C12Y201/03001
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

The invention relates to nucleotide sequences coding for the accDA gene and to a process for the preparation of L-amino acids, especially L-lysine, by fermentation using corynebacteria in which the accDA gene is amplified.