Effect of dietary components on the gut microbiota of aquatic animals. A never‐ending story?
Einar Ringø,Zhigang Zhou,Jose L. González Vecino,Simon Wadsworth,Jaime Romero,Åshild Krogdahl,Rolf Erik Olsen,Arkadios Dimitroglou,Andrew D. Foey,Simon J. Davies,Matthew A.G. Owen,Hélène L. Lauzon,L.L. Martinsen,P. De Schryver,Peter Bossier,Sigmund Sperstad,Daniel L. Merrifield +16 more
TLDR
The effect of dietary components on the gut microbiota is important to investigate, as the gastrointestinal tract has been suggested as one of the major routes of infection in fish.Abstract:
It is well known that healthy gut microbiota is essential to promote host health and well-being. The intestinal microbiota of endothermic animals as well as fish are classified as autochthonous or indigenous, when they are able to colonize the host's epithelial surface or are associated with the microvilli, or as allochthonous or transient (associated with digesta or are present in the lumen). Furthermore, the gut microbiota of aquatic animals is more fluidic than that of terrestrial vertebrates and is highly sensitive to dietary changes. In fish, it is demonstrated that [a] dietary form (live feeds or pelleted diets), [b] dietary lipid (lipid levels, lipid sources and polyunsaturated fatty acids), [c] protein sources (soybean meal, krill meal and other meal products), [d] functional glycomic ingredients (chitin and cellulose), [e] nutraceuticals (probiotics, prebiotics, synbiotics and immunostimulants), [f] antibiotics, [g] dietary iron and [h] chromic oxide affect the gut microbiota. Furthermore, some information is available on bacterial colonization of the gut enterocyte surface as a result of dietary manipulation which indicates that changes in indigenous microbial populations may have repercussion on secondary host–microbe interactions. The effect of dietary components on the gut microbiota is important to investigate, as the gastrointestinal tract has been suggested as one of the major routes of infection in fish. Possible interactions between dietary components and the protective microbiota colonizing the digestive tract are discussed.read more
Citations
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Journal ArticleDOI
The Gut Microbiota of Marine Fish.
Sian Egerton,Sarah C. Culloty,Jason Whooley,Catherine Stanton,Catherine Stanton,R. Paul Ross,R. Paul Ross +6 more
TL;DR: The factors shaping marine fish gut microbiota are reviewed and gaps in the research are highlighted and a clear understanding of the role that specific gut microbiota play is still lacking.
Journal ArticleDOI
Progress in fish gastrointestinal microbiota research
TL;DR: An overview of research on fish gut microbiota, including microbial composition, formation, factors that affect the GI microbes and characteristics of fish intestinal microbiota compared with human and mice are provided.
Journal ArticleDOI
Utilisation of dietary carbohydrates in farmed fishes: New insights on influencing factors, biological limitations and future strategies
TL;DR: This review intends to put together pieces of the puzzle of dietary carbohydrate utilisation in fish based on new insights gained with respect to the various biological, nutritional and environmental factors influencing carbohydrate use, and promising future approaches to augment carbohydrate use in fish.
Journal ArticleDOI
Probiotics as Means of Diseases Control in Aquaculture, a Review of Current Knowledge and Future Perspectives.
TL;DR: Potential of different probiont to be used as protective agent against various pathogens is revealed and addressed the gaps of existing knowledge as well as the topics that merit further investigations.
Journal ArticleDOI
Fish intestinal microbiome: diversity and symbiosis unravelled by metagenomics.
TL;DR: This review aims to summarize the available knowledge on fish gastrointestinal communities obtained from metagenomics, including biases from sample processing, factors influencing assemblage structure, intestinal microbiology of important aquaculture species and description of the teleostean core microbiome.
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