Commensal Escherichia coli colonization triggers Peyer's patch development
Romana Raphaela Gerner, Gregory T. Walker, Suzi M. Klaus, Karine Melchior, Suzana Hossain, Kareem Siada, Chia-Yun Hsu, Francisco Javier Albicoro, William Santus, Rasika Patkar, Marvic Carrillo Terrazas, Grant J. Norton, Flavian Thelen, Araceli Pérez-López, Purnima Sharma, , Manuela Raffatellu
This study identifies Escherichia coli as a key driver of B cell accumulation in Peyer's patches via CXCR2-dependent mechanisms involving curli amyloid fibers and TLR2 signaling.
bioRxiv · Oct 6, 2025 · PreprintMicrobiology