Microbial memories
The microbiota impedes pathogen invasion of the intestinal ecosystem, a phenomenon termed colonization resistance. In an upcoming issue of Cell, Stacy et al. describe host-initiated metabolite pathways that functionally alter the microbiota after primary infection, thereby augmenting colonization resistance to subsequent infection.
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https://www.sciencedirect.com/science/article/pii/S1074761321000327
