US Patent Issued to SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, POSTECH ACADEMY-INDUSTRY FOUNDATION on March 11 for "Method for quantitatively controlling plasmid copy number in antibiotic-free plasmid maintenance system" (South Korean Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,242, issued on March 11, was assigned to SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION (Seoul, South Korea) and POSTECH ACADEMY-INDUSTRY FOUNDATION (Pohang-si, South Korea).

"Method for quantitatively controlling plasmid copy number in antibiotic-free plasmid maintenance system" was invented by Gyoo Yeol Jung (Gyeongsangbuk-do, South Korea), Sang Woo Seo (Seoul, South Korea), Chae Won Kang (Daegu, South Korea) and Hyun Gyu Lim (Chungcheongbuk-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a gene expression cassette including a synthetic 5' untranslated region (5' UTR), a promoter, and a regulatory gene; ...