Gut microbiota utilize immunoglobulin A for mucosal colonization

Abstract excerpt

Benign colonization of the gut Microbial communities in the gut can be highly individual. What engenders this specificity? The gut characteristically produces gram quantities of immunoglobulin A (IgA) antibody, which is presumed to protect the gut from pathogen attack. Donaldson et al. engineered strains of Bacteroides fragilis , a common human commensal, to modify its surface capsule, which affects its ability...

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