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| Hauptverfasser: | , , , , , , , , , , , |
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| Format: | Artículo científico |
| Sprache: | en |
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Scientific reports
2024
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| Online-Zugang: | https://pubmed.ncbi.nlm.nih.gov/39414857/ |
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Inhaltsangabe:
- Bacterial and Symbiodiniaceae communities' variation in corals with distinct traits and geographical distribution. Villela, Livia Bonetti da Silva-Lima, Arthur Weiss Moreira, Ana Paula Barbosa Aiube, Yuri Ricardo Andrade Ribeiro, Felipe de Vargas Villela, Helena Dias Muller Majzoub, Marwan E Amario, Michelle de Moura, Rodrigo Leão Thomas, Torsten Peixoto, Raquel Silva Salomon, Paulo Sergio Animals Anthozoa Microbiota Coral Reefs RNA, Ribosomal, 16S Bacteria Brazil Symbiosis Phylogeny Dinoflagellida High-Throughput Nucleotide Sequencing Ecosystem Coral microbiomes play crucial roles in holobiont homeostasis and adaptation. The host's ability to populate broad ecological niches and to cope with environmental changes seems to be related to the flexibility of the coral microbiome. By means of high-throughput DNA sequencing we characterized simultaneously both bacterial (16S rRNA) and Symbiodiniaceae (ITS2) communities of four reef-building coral species (Mussismilia braziliensis, Mussismilia harttii, Montastraea cavernosa, and Favia gravida) that differ in geographic distribution and niche specificity. Samples were collected in a marginal reef system (Abrolhos, Brazil) in four sites of contrasting irradiance and turbidity. Biological filters governed by the host are important in shaping corals' microbiome structure. More structured associated microbial communities by reef site tend to occur in coral species with broader geographic and depth ranges, especially for Symbiodiniaceae, whereas the endemic and habitat-specialist host, M. braziliensis, has relatively more homogenous bacterial communities with more exclusive members. Our findings lend credence to the hypothesis that higher microbiome flexibility renders corals more adaptable to diverse environments, a trend that should be investigated in more hosts and reef areas.