Speaker: Ryan Adam Valdez – “Direct and indirect factors render LPS essential to Gram-negative bacterial physiology” Jul 21, 2025 2:00 p.m.-4:00 p.m. DBBS Thesis Examination Rebstock Hall, Room 322, 1 Brookings Drive, Saint Louis, Missouri 63110-1020 Add to: Google Calendar | Outlook | iCal File PhD Program: Plant and Microbial Biosciences Lab: Dr. Petra Anne Levin