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- Title
Diversity of the Pacific Ocean coral reef microbiome.
- Authors
Galand, Pierre E.; Ruscheweyh, Hans-Joachim; Salazar, Guillem; Hochart, Corentin; Henry, Nicolas; Hume, Benjamin C. C.; Oliveira, Pedro H.; Perdereau, Aude; Labadie, Karine; Belser, Caroline; Boissin, Emilie; Romac, Sarah; Poulain, Julie; Bourdin, Guillaume; Iwankow, Guillaume; Moulin, Clémentine; Armstrong, Eric J.; Paz-García, David A.; Ziegler, Maren; Agostini, Sylvain
- Abstract
Coral reefs are among the most diverse ecosystems on Earth. They support high biodiversity of multicellular organisms that strongly rely on associated microorganisms for health and nutrition. However, the extent of the coral reef microbiome diversity and its distribution at the oceanic basin-scale remains to be explored. Here, we systematically sampled 3 coral morphotypes, 2 fish species, and planktonic communities in 99 reefs from 32 islands across the Pacific Ocean, to assess reef microbiome composition and biogeography. We show a very large richness of reef microorganisms compared to other environments, which extrapolated to all fishes and corals of the Pacific, approximates the current estimated total prokaryotic diversity for the entire Earth. Microbial communities vary among and within the 3 animal biomes (coral, fish, plankton), and geographically. For corals, the cross-ocean patterns of diversity are different from those known for other multicellular organisms. Within each coral morphotype, community composition is always determined by geographic distance first, both at the island and across ocean scale, and then by environment. Our unprecedented sampling effort of coral reef microbiomes, as part of the Tara Pacific expedition, provides new insight into the global microbial diversity, the factors driving their distribution, and the biocomplexity of reef ecosystems. Using data from the Tara Pacific expedition, this study reports the biogeography and the diversity of microbiomes collected from corals, fish and plankton in 99 reefs across the Pacific Ocean. The large richness of Pacific Ocean reef microorganisms, when extrapolated to all fish and corals of the Pacific, represents the current estimated total prokaryotic diversity for the entire Earth.
- Subjects
CORAL reefs &; islands; CORALS; CORAL reef fishes; MULTICELLULAR organisms; OCEAN; FISH communities; CORAL bleaching
- Publication
Nature Communications, 2023, Vol 14, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-023-38500-x