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Phylogenetic and functional characterization of the distal intestinal microbiome of rainbow trout Oncorhynchus mykiss from both farm and aquarium settings.

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PubMed ID: 27860093

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Lyons PP, Turnbull JF, Dawson KA, Crumlish M

J Appl Microbiol. Feb 2017. doi: 10.1111/jam.13347

COMMENT: Microbiome analysis is a way to know more about physiology and pathology in farm animals for human alimentation. Thus, there is an increasing interest in knowing microbiome of fish, and, in particular, in the economically important farmed fish species such as rainbow trout Oncorhynchus mykiss as the authors stated.

The authors reported that:

The results of this research have revealed that the overall structure of the microbiome between the farm and aquarium raised fish analysed in this study was very similar, however the community membership was significantly different between the two populations

The genus Mycoplasma was the most dominant genus, and the authors hypothesized that:

The pattern of dominance of this microbe, in conjunction with its streamlined genome, is suggestive of an obligate symbiotic relationship with the rainbow trout intestine

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Eduardo Pareja