Agriculture Reference
In-Depth Information
5.6 SUMMARY
With the increasing cost effectiveness and accessibility of NGS it is anticipated that its appli-
cation in studies of the gut microbiota of fish will increase rapidly in the coming years; as
a result, our understanding of the true extent of microbial diversity will benefit greatly. It is
likely also that more attention will be devoted by researchers to the gut microbiota of fish as
the importance of this microbial community becomes better understood, in part through the
information derived from studies in mammals, and as dietary formulations in aquafeeds evolve.
The increased attention should lead to a combination of methodological approaches, including
those that more accurately reflect microbial activity, which will provide a more robust picture
of the communities, and their interactions with the host. This is particularly relevant given the
recent findings from the Human Microbiome Project which show that although large variations
in the abundance of the phyla composition of the human intestinal microbiome were observed,
the metabolic pathways remained relatively stable (The Human Microbiome Project Consor-
tium 2012). This therefore infers that the total metabolic capacity of the microbial community
might be relatively stable, and thus its contribution to the host stable, even though the com-
position may differ between individual hosts. Further research is warranted to validate this
hypothesis and to ascertain if this also applies to the gut microbiota of fish.
5.7 ACKNOWLEDGEMENTS
The authors wish to thank Samuel Voller and Hugo Alexander Jaramillo Torres for their sup-
port with literature searches.
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