Host-derived bile acids drive dysbiosis by selecting bile-resistant epimerizing bacteria in inflammatory bowel disease
Maximilian Baumgartner, Franziska Schnaufer, Maëva Duquesnoy, Takahiro Asatsuma, Adrija Chakrabarty, Adrian Frick, Claudia D. Fuchs-Steiner, Michael Gerstorfer, Patrik Hains, Thomas Köcher, Patrick Schimmel, Mauriz A. Lichtenstein, Sofia Leistl, Felix Pinter, Elena Krstevska, , Clarissa Campbell
The paper identifies epimerized host-derived bile acids as a driver of dysbiosis in IBD by selecting for bile-resistant bacteria that disrupt host bile acid feedback signaling.
bioRxiv · Jun 19, 2026 · PreprintMicrobiology