Gene Expression Changes and Community Turnover Differentially Shape the Global Ocean Metatranscriptome

Type : ACL
Nature : Production scientifique
Au bénéfice du Laboratoire : Oui
Statut de publication : Publié
Année de publication : 2019
Auteurs (27) : SALAZAR Guillem PAOLI Lucas ALBERTI Adriana HUERTA-CEPAS Jaime RUSCHEWEYH Hans-joachim CUENCA Miguelangel FIELD Christopher,m COELHO Luis,pedro CRUAUD Corinne ENGELEN Stefan GREGORY Ann,c LABADIE Karine MAREC Claudie PELLETIER Eric ROYO-LLONCH Marta ROUX Simon SÁNCHEZ Pablo UEHARA Hideya ZAYED Ahmed,a ZELLER Georg CARMICHAEL Margaux DIMIER Céline FERLAND Joannie KANDELS Stefanie PICHERAL Marc PISAREV Sergey POULAIN Julie
Revue scientifique : Cell
Volume : 179
Fascicule : 5
Pages :
DOI : 10.1016/j.cell.2019.10.014
URL : http://www.sciencedirect.com/science/article/pii/s009286741931164x
Abstract : Ocean microbial communities strongly influence the biogeochemistry, food webs, and climate of our planet. Despite recent advances in understanding their taxonomic and genomic compositions, little is known about how their transcriptomes vary globally. Here, we present a dataset of 187 metatranscriptomes and 370 metagenomes from 126 globally distributed sampling stations and establish a resource of 47 million genes to study community-level transcriptomes across depth layers from pole-to-pole. We examine gene expression changes and community turnover as the underlying mechanisms shaping community transcriptomes along these axes of environmental variation and show how their individual contributions differ for multiple biogeochemically relevant processes. Furthermore, we find the relative contribution of gene expression changes to be significantly lower in polar than in non-polar waters and hypothesize that in polar regions, alterations in community activity in response to ocean warming will be driven more strongly by changes in organismal composition than by gene regulatory mechanisms.
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Commentaire : https://hal.science/hal-03095965v1
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Citation :
Salazar G, Paoli L, Alberti A, Huerta-Cepas J, Ruscheweyh H-J, Cuenca M, Field CM, Coelho LP, Cruaud C, Engelen S, Gregory AC, Labadie K, Marec C, Pelletier E, Royo-Llonch M, Roux S, Sánchez P, Uehara H, Zayed AA, Zeller G, Carmichael M, Dimier C, Ferland J, Kandels S, Picheral M, Pisarev S, Poulain J (2019) Gene Expression Changes and Community Turnover Differentially Shape the Global Ocean Metatranscriptome. Cell 179 | doi: 10.1016/j.cell.2019.10.014