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A global ocean atlas of eukaryotic genes

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Item Type:Article
Title:A global ocean atlas of eukaryotic genes
Creators Name:Carradec, Q. and Pelletier, E. and Da Silva, C. and Alberti, A. and Seeleuthner, Y. and Blanc-Mathieu, R. and Lima-Mendez, G. and Rocha, F. and Tirichine, L. and Labadie, K. and Kirilovsky, A. and Bertrand, A. and Engelen, S. and Madoui, M.A. and Méheust, R. and Poulain, J. and Romac, S. and Richter, D.J. and Yoshikawa, G. and Dimier, C. and Kandels-Lewis, S. and Picheral, M. and Searson, S. and Jaillon, O. and Aury, J.M. and Karsenti, E. and Sullivan, M.B. and Sunagawa, S. and Bork, P. and Not, F. and Hingamp, P. and Raes, J. and Guidi, L. and Ogata, H. and De Vargas, C. and Iudicone, D. and Bowler, C. and Wincker, P.
Abstract:While our knowledge about the roles of microbes and viruses in the ocean has increased tremendously due to recent advances in genomics and metagenomics, research on marine microbial eukaryotes and zooplankton has benefited much less from these new technologies because of their larger genomes, their enormous diversity, and largely unexplored physiologies. Here, we use a metatranscriptomics approach to capture expressed genes in open ocean Tara Oceans stations across four organismal size fractions. The individual sequence reads cluster into 116 million unigenes representing the largest reference collection of eukaryotic transcripts from any single biome. The catalog is used to unveil functions expressed by eukaryotic marine plankton, and to assess their functional biogeography. Almost half of the sequences have no similarity with known proteins, and a great number belong to new gene families with a restricted distribution in the ocean. Overall, the resource provides the foundations for exploring the roles of marine eukaryotes in ocean ecology and biogeochemistry.
Keywords:Amino Acid Sequence, Aquatic Organisms, Atlases As Topic, Bacteria, Biodiversity, Ecosystem, Eukaryota, Eukaryotic Cells, Metagenome, Metagenomics, Oceans and Seas, Phylogeny, Phytoplankton, Seawater, Viruses, Zooplankton, Animals
Source:Nature Communications
ISSN:2041-1723
Publisher:Nature Publishing Group (U.K.)
Volume:9
Number:1
Page Range:373
Date:25 January 2018
Official Publication:https://doi.org/10.1038/s41467-017-02342-1
PubMed:View item in PubMed

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