Abstract
Our work demonstrates how innate immunity may influence the host-associated microbiota. While previous work has demonstrated the role of adaptive immunity in regulating the microbiota, we show that stimulation of an innate immune response in bumble bees may disrupt the native gut microbial community by shifting individual abundances of some members and pairwise associations. This work builds upon previous work in bumble bees demonstrating factors determining microbe colonization of hosts and microbiota membership, implicating immune response-induced changes as a factor shaping these important gut communities. While some microbiota members appear unaffected, changes in others and the community overall suggests that collateral perturbation of the native gut microbiota upon an innate immune response may serve as an additional selective pressure that shapes the evolution of host innate immunity.
Published Version
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