A global ocean atlas of eukaryotic genes.

A global ocean atlas of eukaryotic genes.
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真核基因的全球海洋大图。

DOI:
10.1038/s41467-017-02342-1
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发表时间:
2018-01-25
影响因子:
16.6
通讯作者:
Wincker P
Wincker P
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Carradec Q;Pelletier E;Da Silva C;Alberti A;Seeleuthner Y;Blanc-Mathieu R;Lima-Mendez G;Rocha F;Tirichine L;Labadie K;Kirilovsky A;Bertrand A;Engelen S;Madoui MA;Méheust R;Poulain J;Romac S;Richter DJ;Yoshikawa G;Dimier C;Kandels-Lewis S;Picheral M;Searson S;Tara Oceans Coordinators;Jaillon O;Aury JM;Karsenti E;Sullivan MB;Sunagawa S;Bork P;Not F;Hingamp P;Raes J;Guidi L;Ogata H;de Vargas C;Iudicone D;Bowler C;Wincker P

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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. Marine microbial eukaryotes and zooplankton display enormous diversity and largely unexplored physiologies. Here, the authors use metatranscriptomics to analyze four organismal size fractions from open-ocean stations, providing the largest reference collection of eukaryotic transcripts from any single biome.
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