Dietary sugar silences a colonization factor in a mammalian gut symbiont

Abstract excerpt

Significance Diet is known to alter the gut microbiota composition by supplying nutrients that promote the expansion of particular microorganisms. However, we demonstrate that fructose, a common dietary additive in the Western world, decreases the abundance of a regulator of gut colonization in the human gut commensal Bacteroides thetaiotaomicron . Rendering the levels of this colonization factor refractory to...

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