Determinants of community structure in the global plankton interactome

Tara Oceans Coordinators, Gipsi Lima-Mendez, Karoline Faust, Nicolas Henry, Johan Decelle, Sébastien Colin, Fabrizio Carcillo, Samuel Chaffron, J. Cesar Ignacio-Espinosa, Simon Roux, Flora Vincent, Lucie Bittner, Youssef Darzi, Jun Wang, Stéphane Audic, Léo Berline, Gianluca Bontempi, Ana M. Cabello, Laurent Coppola, Francisco M. Cornejo-CastilloFrancesco D'Ovidio, Luc De Meester, Isabel Ferrera, Marie José Garet-Delmas, Lionel Guidi, Elena Lara, Stéphane Pesant, Marta Royo-Llonch, Guillem Salazar, Pablo Sánchez, Marta Sebastian, Caroline Souffreau, Céline Dimier, Marc Picheral, Sarah Searson, Stefanie Kandels-Lewis, Gabriel Gorsky, Fabrice Not, Hiroyuki Ogata, Sabrina Speich, Lars Stemmann, Jean Weissenbach, Patrick Wincker, Silvia G. Acinas, Shinichi Sunagawa, Peer Bork, Matthew B. Sullivan, Eric Karsenti, Chris Bowler, Colomban De Vargas, Jeroen Raes

Research output: Contribution to journalArticlepeer-review

Abstract

Species interaction networks are shaped by abiotic and biotic factors. Here, as part of the Tara Oceans project, we studied the photic zone interactome using environmental factors and organismal abundance profiles and found that environmental factors are incomplete predictors of community structure. We found associations across plankton functional types and phylogenetic groups to be nonrandomly distributed on the network and driven by both local and global patterns. We identified interactions among grazers, primary producers, viruses, and (mainly parasitic) symbionts and validated networkgenerated hypotheses using microscopy to confirm symbiotic relationships. We have thus provided a resource to support further research on ocean food webs and integrating biological components into ocean models.

Original languageEnglish
Article number1262073
JournalScience
Volume348
Issue number6237
DOIs
Publication statusPublished - 22 May 2015
Externally publishedYes

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