Interpopulation Variation in the Atlantic Salmon Microbiome Reflects Environmental and Genetic Diversity

Variation in the microbiome has a fundamental influence on host health, ecology, and evolution, but the scope and basis of this variation are not fully understood. We identified considerable variation in skin and gut microbial communities between seven wild and captive populations of Atlantic salmon...

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Bibliographic Details
Published in:Applied and Environmental Microbiology
Main Authors: Uren Webster, Tamsyn M., Consuegra, Sofia, Hitchings, Matthew, Garcia de Leaniz, Carlos
Other Authors: Liu, Shuang-Jiang, RCUK | Biotechnology and Biological Sciences Research Council, NERC Environmental Bioinformatics Centre, Higher Education Funding Council for Wales
Format: Article in Journal/Newspaper
Language:English
Published: American Society for Microbiology 2018
Subjects:
Atlantic salmon
Online Access:http://dx.doi.org/10.1128/aem.00691-18
https://journals.asm.org/doi/pdf/10.1128/AEM.00691-18
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Summary:Variation in the microbiome has a fundamental influence on host health, ecology, and evolution, but the scope and basis of this variation are not fully understood. We identified considerable variation in skin and gut microbial communities between seven wild and captive populations of Atlantic salmon, reflecting divergent environmental conditions and fish genetic diversity. In particular, we found very pronounced differences in the intestinal microbiomes of wild and hatchery-reared fish, likely reflecting differences in diet. Our results offer an insight into how the microbiome potentially contributes to the generation of local adaptations in this species and how domestication alters intestinal microbial communities, highlighting future research directions in these areas.

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