Ecology of Endozoicomonadaceae in three coral genera across the Pacific Ocean - Agropolis Access content directly
Journal Articles Nature Communications Year : 2023

Ecology of Endozoicomonadaceae in three coral genera across the Pacific Ocean

Guillem Salazar
Guillaume Bourdin
David Paz-García
  • Function : Author
Sylvain Agostini
Bernard Banaigs
  • Function : Author
Emmanuel Boss
Colomban de Vargas
Michel Flores
Didier Forcioli
Paola Furla
Eric Gilson
Stéphane Pesant
  • Function : Author
Stéphanie Reynaud
Olivier Thomas
  • Function : Author
Romain Troublé
Patrick Wincker
Didier Zoccola
Denis Allemand
Serge Planes
  • Function : Author
Rebecca Vega Thurber
Christian Voolstra
Shinichi Sunagawa


Abstract Health and resilience of the coral holobiont depend on diverse bacterial communities often dominated by key marine symbionts of the Endozoicomonadaceae family. The factors controlling their distribution and their functional diversity remain, however, poorly known. Here, we study the ecology of Endozoicomonadaceae at an ocean basin-scale by sampling specimens from three coral genera ( Pocillopora , Porites , Millepora ) on 99 reefs from 32 islands across the Pacific Ocean. The analysis of 2447 metabarcoding and 270 metagenomic samples reveals that each coral genus harbored a distinct new species of Endozoicomonadaceae . These species are composed of nine lineages that have distinct biogeographic patterns. The most common one, found in Pocillopora , appears to be a globally distributed symbiont with distinct metabolic capabilities, including the synthesis of amino acids and vitamins not produced by the host. The other lineages are structured partly by the host genetic lineage in Pocillopora and mainly by the geographic location in Porites . Millepora is more rarely associated to Endozoicomonadaceae . Our results show that different coral genera exhibit distinct strategies of host- Endozoicomonadaceae associations that are defined at the bacteria lineage level.
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hal-04176293 , version 1 (12-08-2023)




Corentin Hochart, Lucas Paoli, Hans-Joachim Ruscheweyh, Guillem Salazar, Emilie Boissin, et al.. Ecology of Endozoicomonadaceae in three coral genera across the Pacific Ocean. Nature Communications, 2023, 14 (1), pp.3037. ⟨10.1038/s41467-023-38502-9⟩. ⟨hal-04176293⟩
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