Gut microbiota utilize immunoglobulin A for mucosal colonization

Posted by: | May 8, 2018 | Comments

ABSTRACT

The immune system responds vigorously to microbial infection, while permitting life-long colonization by the microbiome. Mechanisms that facilitate the establishment and stability of the gut microbiota remain poorly described. We discovered that a sensor/regulatory system in the prominent human commensal Bacteroides fragilis modulates its surface architecture to invite binding of immunoglobulin A (IgA). Specific immune recognition facilitated bacterial adherence to cultured intestinal epithelial cells and intimate association with the gut mucosal surface in vivo.

Read more at: Science

G. P. Donaldson, M. S. Ladinsky, K. B. Yu, J. G. Sanders, B. B. Yoo, W. C. Chou, M. E. Conner, A. M. Earl, R. Knight, P. J. Bjorkman, S. K. Mazmanian. Science. DOI: 10.1126/science.aaq0926. 03 May 2018.





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