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| Item Type: | Article |
|---|---|
| Title: | Gene expression changes and community turnover differentially shape the global ocean metatranscriptome |
| Creators Name: | Salazar, G. and Paoli, L. and Alberti, A. and Huerta-Cepas, J. and Ruscheweyh, H.J. and Cuenca, M. and Field, C.M. and Coelho, L.P. and Cruaud, C. and Engelen, S. and Gregory, A.C. and Labadie, K. and Marec, C. and Pelletier, E. and Royo-Llonch, M. and Roux, S. and Sánchez, P. and Uehara, H. and Zayed, A.A. and Zeller, G. and Carmichael, M. and Dimier, C. and Ferland, J. and Kandels, S. and Picheral, M. and Pisarev, S. and Poulain, J. and Acinas, S.G. and Babin, M. and Bork, P. and Bowler, C. and de Vargas, C. and Guidi, L. and Hingamp, P. and Iudicone, D. and Karp-Boss, L. and Karsenti, E. and Ogata, H. and Pesant, S. and Speich, S. and Sullivan, M.B. and Wincker, P. and Sunagawa, S. |
| 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. |
| Keywords: | Tara Oceans, Global Ocean Microbiome, Metatranscriptome, Metagenome, Microbial Ecology, Gene Expression Change, Community Turnover, Biogeochemistry, Eco-Systems Biology, Ocean Warming |
| Source: | Cell |
| ISSN: | 0092-8674 |
| Publisher: | Cell Press |
| Volume: | 179 |
| Number: | 5 |
| Page Range: | 1068-1083 |
| Date: | 14 November 2019 |
| Official Publication: | https://doi.org/10.1016/j.cell.2019.10.014 |
| PubMed: | View item in PubMed |
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