ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,820, issued on June 2, was assigned to The Regents of the University of California.

"Multistrain population control systems and methods" was invented by Jeff Hasty (Encinitas, Calif.), Michael Julius Liao (San Diego) and Muhammad Omar Din (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are multi-strain population control systems, methods, kits, and compositions. Also provided are methods, systems, kits, and compositions for culturing bacterial cells in multi-strain ecosystems, and temporally arranged multi-strain ecosystems or cultures using a synchronized lysis circuit in combination with multiple toxin/antitoxin systems to...