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- W2996622493 abstract "Variation among animals in their host-associated microbial communities is increasingly recognised as a key determinant of important life history traits including growth, metabolism and resistance to disease. Quantitative estimates of the factors shaping the stability of host microbiomes over time at the individual level in non-model organisms are scarce. Addressing this gap in our knowledge is important, as variation among individuals in microbiome stability may represent temporal gain or loss of key microbial species and functions linked to host health and/or fitness. Here we use controlled experiments to investigate how both heterogeneity in microbial species richness of the environment and exposure to the emerging pathogen Ranavirus influence the structure and temporal dynamics of the skin microbiome in a vertebrate host, the European common frog (Rana temporaria). Our evidence suggests that altering the bacterial species richness of the environment drives divergent temporal microbiome dynamics of the amphibian skin. Exposure to ranavirus effects changes in skin microbiome structure irrespective of total microbial diversity, but individuals with higher pre-exposure skin microbiome diversity appeared to exhibit higher survival. Higher diversity skin microbiomes also appear less stable over time compared to lower diversity microbiomes, but stability of the 100 most abundant (‘core’) community members was similar irrespective of microbiome richness. Our study highlights the importance of extrinsic factors in determining the stability of host microbiomes over time, which may in turn have important consequences for the stability of host-microbe interactions and microbiome-fitness correlations." @default.
- W2996622493 created "2019-12-26" @default.
- W2996622493 creator A5009181038 @default.
- W2996622493 creator A5039104995 @default.
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- W2996622493 creator A5077417740 @default.
- W2996622493 creator A5079386554 @default.
- W2996622493 creator A5082386906 @default.
- W2996622493 date "2019-12-20" @default.
- W2996622493 modified "2023-10-17" @default.
- W2996622493 title "Diversity-Stability Dynamics of the Amphibian Skin Microbiome and Susceptibility to a Lethal Viral Pathogen" @default.
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- W2996622493 doi "https://doi.org/10.3389/fmicb.2019.02883" @default.