ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,600, issued on March 25, was assigned to Evonik Operations GmbH (Essen, Germany).
"Method for the fermentative production of L-lysine using C. glutamicum strains expressing modified gluconate repressor proteins GntR1 and GntR2" was invented by Silke Jerrentrup (Bielefeld, Germany), Brigitte Bathe (Salzkotten, Germany), Kornelia VoB (Antwerp, Belgium) and Frank Jankowitsch (Sassenberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "C. glutamicum strains express modified gluconate repressor proteins GntR1 and GntR2. The C. glutamicum strains have an increased ability to produce L-lysine compared with an ability of a wildtype strain. The gluco...