Article Dans Une Revue Environmental Microbiology Reports Année : 2019

Environmental conditions and neutral processes shape the skin microbiome of European catfish ( Silurus glanis ) populations of Southwestern France

Résumé

Summary Teleost fishes interact with diverse microbial communities, playing crucial functions for host fitness. While gut microbiome has been extensively studied, skin microbiome has been overlooked. Specifically, there is no assessment of the relative impact of host and environmental factors on microbiome variability as well as neutral processes shaping fish skin microbiome. Here, we assessed the skin microbiome of a Siluriforme, the European catfish ( Silurus glanis ) sampled in four sites located in Southwestern France. We assessed the relative roles of individual features (body size and genetic background), local environment and neutral processes in shaping skin microbiome. Catfish skin microbiome composition was distinct to that of other freshwater fish species previously studied with high abundances of Gammaproteobacteria and Bacteroidetes . We found no effect of catfish individual genotype and body size on the structure of its associated skin microbiome. Geographical location was the best catfish skin microbiome structure predictor, together with neutral models of microbiome assembly.

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Dates et versions

hal-04716901 , version 1 (01-10-2024)

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Marlène Chiarello, Ivan Paz‐vinas, Charlotte Veyssière, Frédéric Santoul, Géraldine Loot, et al.. Environmental conditions and neutral processes shape the skin microbiome of European catfish ( Silurus glanis ) populations of Southwestern France. Environmental Microbiology Reports, 2019, 11 (4), pp.605--614. ⟨10.1111/1758-2229.12774⟩. ⟨hal-04716901⟩
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