Mounting evidence suggests that the gut microbiome impacts brain function, and mechanistic connections between specific microbial by-products and the brain have begun to emerge. In this Perspective, Mazmanian and colleagues discuss the assortment of microbial molecules currently thought to mediate these gut–brain connections.
- Brittany D. Needham
- Rima Kaddurah-Daouk
- Sarkis K. Mazmanian