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Article Dans Une Revue Communications Earth & Environment Année : 2023

Different environmental response strategies in sympatric corals from Pacific Islands

Christian R Voolstra
Benjamin C C Hume
Clémentine Moulin
  • Fonction : Auteur
Emilie Boissin
Guillaume Bourdin
Guillaume Iwankow
  • Fonction : Auteur
Julie Poulain
Sarah Romac
  • Fonction : Auteur
Sylvain Agostini
Bernard Banaigs
  • Fonction : Auteur
Emmanuel Boss
Colomban de Vargas
Michel Flores
Stéphane Pesant
Stéphanie Reynaud
Matthew B Sullivan
Shinichi Sunagawa
Olivier P Thomas
Romain Troublé
Rebecca Vega Thurber
Patrick Wincker
Didier Zoccola
Serge Planes
  • Fonction : Auteur
Denis Allemand

Résumé

Coral reefs are severely threatened by global and local environmental changes. However, susceptibility to perturbations and subsequent mortality varies among coral species. In this study, we tested the contribution of genetic and environmental conditions to coral's phenotypic response in Pocillopora spp. and Porites spp. sampled together at a large ecological and temporal scale throughout the Pacific Ocean. We assessed coral phenotype signatures using a multi-biomarker approach (animal and symbiont biomasses, protein carbonylation and ubiquitination and total antioxidant capacities). In both genera, we highlighted a strong anticorrelation between the redox state and the animal and symbiont biomasses. In addition, Pocillopora exhibited high phenotypic plasticity, responding to various environmental variables such as temperature, nutrients, phosphate, and carbonate chemistry. In contrast, Porites displayed more robust phenotypes influenced by both genetics and past climate events. In conclusion, co-located coral species display different phenotypic response strategies that are influenced by different environmental conditions.
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Dates et versions

hal-04205154 , version 1 (12-09-2023)

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Barbara Porro, Thamilla Zamoum, Didier Forcioli, Eric Gilson, Adrien Poquet, et al.. Different environmental response strategies in sympatric corals from Pacific Islands. Communications Earth & Environment, 2023, 4 (1), pp.311. ⟨10.1038/s43247-023-00946-8⟩. ⟨hal-04205154⟩
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