Effect of dietary components on the gut microbiota ofaquatic animals : a never-ending story?

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 th...

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Bibliographic Details
Published in:Aquaculture Nutrition
Main Authors: Ringo, E, Zhou, Z, Vecino, JLG, Wadsworth, S, Romero, J, Krogdahl, A, Olsen, RE, Dimitroglou, A, Foey, A, Davies, S, Owen, M, Lauzon, HL, Martinsen, LL, De Schryver, Peter, Bossier, Peter, Sperstad, S, Merrifield, DL
Format: Article in Journal/Newspaper
Language:English
Published: 2016
Subjects:
Biology and Life Sciences
TROUT ONCORHYNCHUS-MYKISS
SALMON SALMO-SALAR
COD GADUS-MORHUA
LACTIC-ACID BACTERIA
GRADIENT GEL-ELECTROPHORESIS
SALVELINUS-ALPINUS
L
TILAPIA OREOCHROMIS-NILOTICUS
16S RIBOSOMAL-RNA
CARPIO VAR. JIAN
EUROPEAN SEA BASS
antibiotics
aquatic animals
dietary components
intestine
microbiota
Gadus morhua
Salmo salar
Salvelinus alpinus
Online Access:https://biblio.ugent.be/publication/8517580
http://hdl.handle.net/1854/LU-8517580
https://doi.org/10.1111/anu.12346
https://biblio.ugent.be/publication/8517580/file/8525700
Description
Summary: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.

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