Habitat and seasonality shape the structure of tench (Tinca tinca L.) gut microbiome

Scientific Reports
Tomasz DulskiSlawomir Ciesielski

Abstract

Tench (Tinca tinca L.) is one of the most valued species of the Cyprinidae. This species is commercially important and has been intensively domesticated in recent years. To avoid excessive production losses, the health of farm fish must be maintained. Characterization of the tench gut microbiome can help achieve this goal, as the gastrointestinal microbiome plays an important role in host health. As part of this characterization, investigating the influence of the environment and season will help to understand the interrelationship between host and gut microbiota. Therefore, our aim was to use high-throughput 16S rRNA gene amplicon sequencing to profile the gut microbiome of tench. We studied two populations in summer and autumn: wild tench living in a lake and tench living in a pond in a semi-intensive fish farm. We found that, in the gut microbiome of all fish, the most abundant phylum was Proteobacteria, followed by Firmicutes, Bacteroidetes and Actinobacteria. Together, these phyla constituted up to 90% of the microbial communities. The abundance of Candidatus Xiphinematobacter differed significantly between lake and pond fish in summer, but not in autumn. In pond tench, Methylobacterium abundance was significantly lower in...Continue Reading

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Datasets Mentioned

BETA
PRJNA542255

Methods Mentioned

BETA
dissection
electrophoresis
PCR

Software Mentioned

Qiime
Deblur
STATISTICA
UniFrac
Statistical Analysis of Metagenomics Profiles ( STAMP )
PERMANOVA

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