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Article Dans Une Revue Communications Earth & Environment Année : 2023

Multi-omics determination of metabolome diversity in natural coral populations in the Pacific Ocean

Yuxiang Zhou
  • Fonction : Auteur
Slimane Chaib
  • Fonction : Auteur
Delphine Raviglione
  • Fonction : Auteur
Florence Nicolè
  • Fonction : Auteur
Benjamin C C Hume
Didier Forcioli
Sylvain Agostini
Emilie Boissin
Emmanuel Boss
Colomban de Vargas
Michel Flores
Paola Furla
Eric Gilson
Stéphane Pesant
Stéphanie Reynaud
Matthew B Sullivan
Shinichi Sunagawa
Romain Troublé
Rebecca Vega Thurber
Patrick Wincker
Didier Zoccola
Christian R Voolstra
Denis Allemand
Serge Planes
  • Fonction : Auteur
Olivier P Thomas
Bernard Banaigs
  • Fonction : Auteur

Résumé

Coral reefs are considered one of the most emblematic ecosystems in our oceans, but their existence is increasingly threatened by climate change. In this study, natural populations of two reef-building coral genera, Pocillopora spp. and Porites spp., and one hydrocoral Millepora cf. platyphylla from two different marine provinces in the Pacific Ocean were investigated using a multi-omics approach as part of the Tara Pacific expedition. Here, we propose a standardised method consisting of a biphasic extraction method followed by metabolomics analysis using mass spectrometry for the lipidome and 1 H nuclear magnetic resonance for hydrophilic metabolites. Our study assessed a broad range of the metabolome and is the first to identify and add 24 compounds by NMR and over 200 lipids by MS analyses for corals. Metabolic profiles were distinct among genera but not within genotypes of the cnidarian corals. Although endosymbiotic dinoflagellates of the family Symbiodiniaceae are known to play a central role in the metabolomic signature of the coral holobiont, they did not account for all differences. This suggests that a combined effect by different members of the coral holobiont and an interaction with the environment might be at play. Our study provides foundational knowledge on the coral holobiont metabolome.
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Dates et versions

hal-04184949 , version 1 (22-08-2023)

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Maggie M Reddy, Corentine Goossens, Yuxiang Zhou, Slimane Chaib, Delphine Raviglione, et al.. Multi-omics determination of metabolome diversity in natural coral populations in the Pacific Ocean. Communications Earth & Environment, 2023, 4 (1), pp.281. ⟨10.1038/s43247-023-00942-y⟩. ⟨hal-04184949⟩
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