US Patent Issued to DANISCO US on May 6 for "Modified yeast and method for increasing lysine content in fermentation co-products" (California, Delaware Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,713, issued on May 6, was assigned to DANISCO US INC. (Palo Alto, Calif.).

"Modified yeast and method for increasing lysine content in fermentation co-products" was invented by Jaclyn Diana Demartini (Palo Alto, Calif.) and Celia Emily Gaby Payen (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are strains and methods relating to genetically-engineered yeast cells that overproduce lysine in a tunable manner by altering feedback inhibition of the lysine synthetic pathway by way of the LYS20 and LYS21 homocitrate synthase polypeptides. The yeast can be used in a conventional bioethanol production facility to produce alcohol a...