Method for the fermentative production of L-amino acids using improved strains of the Enterobacteriaceae family

US10077457B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Brigitte Bathe · Salzkotten, DE
• Stella Molck · Bielefeld, DE
• Horst Priefert · Ostbevern, DE

Key dates

• Filing date: Jul 31, 2013
• Grant date: Sep 18, 2018
• Expiry date: Oct 21, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C12N15/70
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the fermentative production of L-amino acids using microorganisms of the Enterobacteriaceae family, which harbor an attenuated proP gene, to the microorganisms suitable for said production and to polynucleotides coding for variants of the ProP transporter.