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Journal Articles Nature Communications Year : 2018

A global ocean atlas of eukaryotic genes

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Matthew Sullivan
Pascal Hingamp
Lionel Guidi
Daniele Iudicone
  • Function : Author
  • PersonId : 852646
Chris Bowler
  • Function : Author
  • PersonId : 860770

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.
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Dates and versions

cea-01874711 , version 1 (27-05-2019)

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Quentin Carradec, Eric Pelletier, Corinne da Silva, Adriana A. Alberti, Yoann Seeleuthner, et al.. A global ocean atlas of eukaryotic genes. Nature Communications, 2018, 9 (1), pp.373. ⟨10.1038/s41467-017-02342-1⟩. ⟨cea-01874711⟩
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