Modulation of certain liver fatty acids in Solea senegalensis is influenced by the dietary administration of probiotic microorganisms

Fish intestinal microbiota is a complex ecosystem involved in essential functions such as digestion and nutrition and it is influenced by a range of factors. Probiotics are administered to farmed fish through the diet, being able to affect the intestinal microbiota. The aim of this study is to evalu...

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Bibliographic Details
Published in:Aquaculture 2014-03, Vol.424-425, p.234-238
Main Authors: Tapia-Paniagua, Silvana Teresa, Díaz-Rosales, Patricia, García de la Banda, Inés, Lobo, Carmen, Clavijo, Encarnación, Balebona, Mª. Carmen, Moriñigo, Miguel Angel
Format: Article
Language:English
Subjects:
Agnatha. Pisces
Animal and plant ecology
Animal aquaculture
Animal productions
Animal, plant and microbial ecology
Aquaculture
Autoecology
Biological and medical sciences
Correlation analysis
Fatty acids
Fish
Fundamental and applied biological sciences. Psychology
General aspects
Lipids
Microbiota
Probiotics
Sea water ecosystems
Solea senegalensis
Synecology
Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution
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Summary:Fish intestinal microbiota is a complex ecosystem involved in essential functions such as digestion and nutrition and it is influenced by a range of factors. Probiotics are administered to farmed fish through the diet, being able to affect the intestinal microbiota. The aim of this study is to evaluate the effect of the dietary administration of two probiotic diets containing two Shewanella spp. strains, Pdp11 and Pdp13 (diets II and III) on the intestinal microbiota of farmed Solea senegalensis specimens, as well as on the fatty acid contents of their liver. The results demonstrate a modulation of sole intestinal microbiota by assayed probiotic diets. Both probiotic diets increased the presence of Shewanella spp. members in the microbiota. This increase was especially important in fish treated with Pdp13, where changes also included decreased presence of Vibrio spp. members. In addition, principal component analysis of data obtained indicates correlation between species observed in fish fed Pdp13 and liver linoleic and linolenic acid levels. Moreover, species comprising the intestinal microbiota in fish fed Pdp11 were related to lower lipid droplet presence in liver and enterocytes. •Pdp11 and Pdp13 modulated differently the intestinal microbiota of Senegalese sole.•Liver and enterocyte linolenic and linoleic acid levels were related with Pdp13 diet.•Lower level of lipids droplets inside cells was related to the presence of Pdp11.
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2014.01.003