Gnotobiotic OMM12 mice support sustained Clostridioides difficile colonization without antibiotic pretreatment
Devon E. Conti, Eva Chatonnat, Quentin Lamy-Besnier, Thirishika Manivannan, Aline Crouzols, Léo C. Caulat, Céline Mulet, Marion Berard, Laurent Debarbieux, Bruno Dupuy, Julian R. Garneau
This study shows that gnotobiotic OMM12 mice can sustain Clostridioides difficile colonization for 20 days without antibiotic pretreatment, allowing research on host-microbiota-pathogen interactions.
bioRxiv · Oct 28, 2026 · PreprintMicrobiology