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| Content Provider | frontiers |
|---|---|
| Author | Naya-Català, Fernando Piazzon, M. Carla Calduch-Giner, Josep A. Sitjà-Bobadilla, Ariadna Pérez-Sánchez, Jaume |
| Abstract | The gut microbiota is now recognised as a key target for improving aquaculture profit and sustainability, but we still lack insights into the activity of microbes in fish mucosal surfaces. In the present study, a metatranscriptomic approach was used to reveal the expression of gut microbial genes in the farmed gilthead sea bream. Archaeal and viral transcripts were a minority but, interestingly and contrary to rRNA amplicon-based studies, fungal transcripts were as abundant as bacterial ones, and increased in fish fed a plant-enriched diet. This dietary intervention also drove a differential metatranscriptome in fish selected for fast and slow growth. Such differential response reinforced the results of previously inferred metabolic pathways, enlarging, at the same time, the catalogue of microbial functions in the intestine. Accordingly, vitamin and amino acid metabolism, and rhythmic and symbiotic processes were mostly shaped by bacteria, whereas fungi were more specifically configuring the host immune, digestive, or endocrine processes. |
| ISSN | 1664302X |
| DOI | 10.3389/fmicb.2022.883738 |
| Volume Number | 13 |
| Journal | Frontiers in Microbiology |
| Language | English |
| Publisher Date | 2022-05-06 |
| Access Restriction | Open |
| Subject Keyword | Metatranscriptome Nutrition Archaea Selective breeding Virus Teleost fish Bacteria Fungi |
| Content Type | Text |
| Resource Type | Article |
| Subject | Microbiology Microbiology (medical) |
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