ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,348, issued on Oct. 7, was assigned to CHRYSEA Ltd. (Dublin).
"Microbial cells for spermidine production" was invented by Jiufu Qin (Virum, Denmark), Anastasia Krivoruchko (Gothenburg, Sweden), Florian David (Gothenburg, Sweden) and Jens Nielsen (Gothenburg, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention generally related to a modified microbial cell capable of producing high levels of spermidine and/spermidine derivatives. The genetically modified microbial cell comprises at least one modification to native spermidine biosynthetic pathway via putrescine together with genes involved in the S-adenosylmethionine biosyntheti...