Recent advances in bivalve-microbiota interactions for disease prevention in aquaculture

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Paillard, Christine | Gueguen, Yannick | Wegner, K Mathias | Bass, David | Pallavicini, Alberto | Vezzulli, Luigi | Arzul, Isabelle

Edité par CCSD ; Elsevier -

International audience. In bivalves, no clear-cut functional role of microbiota has yet been identified, although many publications suggest that they could be involved in nutrition or immunity of their host. In the context of climate change, integrative approaches at the crossroads of disciplines have been developed to explore the environment-host-pathogen microbiota system. Here, we attempt to synthesize work on (1) the current methodologies to analyse bivalve microbiota, (2) the comparison of microbiota between species, between host compartments and their surrounding habitat, (3) how the bivalve microbiota are governed by environmental factors and host genetics and (4) how host-associated microorganisms act as a buffer against pathogens and/or promote recovery, and could thereby play a role in the prevention of disease or mortalities.

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