ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,235, issued on March 25, was assigned to Mayo Foundation for Medical Education and Research (Rochester, Minn.) and The Regents of the University of California (Oakland, Calif.).

"Methods and materials for using ruminococcus gnavus or clostridium sporogenes to treat gastrointestinal disorders" was invented by Purna C. Kashyap (Rochester, Minn.), Michael Fischbach (Portola Valley, Calif.) and Brianna B. Williams (Oakland, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This document provides materials and methods related to bacterial compositions containing at least one bacterial organism having tryptophan decarboxylase activity. For example, b...