Ecology of Endozoicomonadaceae in three coral genera across the Pacific Ocean

Corentin Hochart, Lucas Paoli, Hans-Joachim Ruscheweyh, Guillem Salazar, Emilie Boissin, Sarah Romac, Julie Poulain, Guillaume Bourdin, Guillaume Iwankow, Clémentine Moulin, Maren Ziegler, Barbara Porro, Eric J. Armstrong, Benjamin C. C. Hume, Jean-Marc Aury, Claudia Pogoreutz, David A. Paz-García, Maggy M. Nugues, Sylvain Agostini, Bernard Banaigs, Emmanuel Boss, Chris Bowler, Colomban Vargas, Eric Douville, Michel Flores, Didier Forcioli, Paola Furla, Eric Gilson, Fabien Lombard, Stéphane Pesant, Stéphanie Reynaud, Olivier P. Thomas, Romain Troublé, Patrick Wincker, Didier Zoccola, Denis Allemand, Serge Planes, Rebecca Vega Thurber, Christian R. Voolstra, Shinichi Sunagawa and Pierre E. Galand ()
Additional contact information
Corentin Hochart: Sorbonne Université, CNRS, Laboratoire d’Ecogéochimie des Environnements Benthiques (LECOB), Observatoire Océanologique de Banyuls
Lucas Paoli: ETH Zürich
Hans-Joachim Ruscheweyh: ETH Zürich
Guillem Salazar: ETH Zürich
Emilie Boissin: Université de Perpignan
Sarah Romac: Sorbonne Université, CNRS, Station Biologique de Roscoff
Julie Poulain: Université Paris-Saclay
Guillaume Bourdin: University of Maine
Guillaume Iwankow: Université de Perpignan
Clémentine Moulin: Fondation Tara Océan
Maren Ziegler: Justus Liebig University Giessen
Barbara Porro: Université Côte d’Azur
Eric J. Armstrong: Université de Perpignan
Benjamin C. C. Hume: University of Konstanz
Jean-Marc Aury: Université Paris-Saclay
Claudia Pogoreutz: Université de Perpignan
David A. Paz-García: Centro de Investigaciones Biológicas del Noroeste (CIBNOR)
Maggy M. Nugues: Université de Perpignan
Sylvain Agostini: University of Tsukuba
Bernard Banaigs: Université de Perpignan
Emmanuel Boss: University of Maine
Chris Bowler: Research Federation for the study of Global Ocean Systems Ecology and Evolution, FR2022/Tara GOSEE
Colomban Vargas: Sorbonne Université, CNRS, Station Biologique de Roscoff
Eric Douville: Université Paris-Saclay
Michel Flores: Weizmann Institute of Science, Department of Earth and Planetary Sciences
Didier Forcioli: Université Côte d’Azur
Paola Furla: Université Côte d’Azur
Eric Gilson: Université Côte d’Azur
Fabien Lombard: Research Federation for the study of Global Ocean Systems Ecology and Evolution, FR2022/Tara GOSEE
Stéphane Pesant: Wellcome Genome Campus
Stéphanie Reynaud: Laboratoire International Associé Université Côte d’Azur-Centre Scientifique de Monaco (LIA ROPSE)
Olivier P. Thomas: School of Biological and Chemical Sciences, Ryan Institute, University of Galway
Romain Troublé: Fondation Tara Océan
Patrick Wincker: Université Paris-Saclay
Didier Zoccola: Laboratoire International Associé Université Côte d’Azur-Centre Scientifique de Monaco (LIA ROPSE)
Denis Allemand: Laboratoire International Associé Université Côte d’Azur-Centre Scientifique de Monaco (LIA ROPSE)
Serge Planes: Université de Perpignan
Rebecca Vega Thurber: Oregon State University
Christian R. Voolstra: University of Konstanz
Shinichi Sunagawa: ETH Zürich
Pierre E. Galand: Sorbonne Université, CNRS, Laboratoire d’Ecogéochimie des Environnements Benthiques (LECOB), Observatoire Océanologique de Banyuls

Nature Communications, 2023, vol. 14, issue 1, 1-16

Abstract: 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.

Date: 2023
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DOI: 10.1038/s41467-023-38502-9

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