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- W4288069948 startingPage "111283" @default.
- W4288069948 abstract "Symbiotic gut microbiota in the herbivorous marine fish Kyphosus sydneyanus play an important role in digestion by converting refractory algal carbohydrate into short-chain fatty acids. Here we characterised community composition using both 16S rRNA gene amplicon sequencing and shotgun-metagenome sequencing. Sequencing was carried out on lumen and mucosa samples (radial sections) from three axial sections taken from the hindgut of wild-caught fish. Both lumen and mucosa communities displayed distinct distributions along the hindgut, likely an effect of the differing selection pressures within these hindgut locations, as well as considerable variation among individual fish. In contrast, metagenomic sequences displayed a high level of functional similarity between individual fish and gut sections in the relative abundance of genes (based on sequencing depth) that encoded enzymes involved in algal-derived substrate degradation. These results suggest that the host gut environment selects for functional capacity in symbionts rather than taxonomic identity. Functional annotation of the enzymes encoded by the gut microbiota was carried out to infer the metabolic pathways used by the gut microbiota for the degradation of important dietary substrates: mannitol, alginate, laminarin, fucoidan and galactan (e.g. agar and carrageenan). This work provides the first evidence of the genomic potential of K. sydneyanus hindgut microbiota to convert highly refractory algal carbohydrates into metabolically useful short-chain fatty acids." @default.
- W4288069948 created "2022-07-28" @default.
- W4288069948 creator A5025548232 @default.
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- W4288069948 creator A5066708591 @default.
- W4288069948 date "2022-10-01" @default.
- W4288069948 modified "2023-10-05" @default.
- W4288069948 title "Substrate degradation pathways, conserved functions and community composition of the hindgut microbiota in the herbivorous marine fish Kyphosus sydneyanus" @default.
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- W4288069948 doi "https://doi.org/10.1016/j.cbpa.2022.111283" @default.
- W4288069948 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35907589" @default.
- W4288069948 hasPublicationYear "2022" @default.