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<p>The deep-sea floor encompasses more than half of the surface of our planet, yet the extent and distribution of deep-sea biodiversity and its contribution to large biogeochemical cycles remain poorly understood. This knowledge gap stems from several factors, including sampling issues, the magnitude of the work required for morphological inventories, and the difficulty of integrating results from disparate local studies. The application of meta-omics to environmental DNA now makes it possible to assemble interoperable datasets at different spatial scales to move towards a global assessment of deep-sea biodiversity. We present a large-scale dataset on deep-sea biodiversity, with data and metadata openly accessible at ENA and Zenodo. The resource was generated using standardized protocols developed according to FAIR principles, covering fieldwork through bioinformatic analysis, within “<i>Pourquoi Pas les Abysses?</i>” and <i>eDNAbyss</i> projects. Together with information ensuring reproducibility, this dataset —combining metagenomics, metabarcoding across the Tree of Life and capture-by-hybridization— contributes to the international concerted effort to achieve a holistic view of the biodiversity in the largest biome on Earth.</p>

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Omics exploration of deep-sea biodiversity: data from the “Pourquoi Pas les Abysses?” and eDNAbyss projects

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年12月20日

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  • Sophie Arnaud-Haond,
  • Blandine Trouche,
  • Cathy Liautard-Haag,
  • Karine Alain,
  • Johanne Aubé,
  • François Bonhomme,
  • Miriam I. Brandt,
  • Annaëlle Caillarec-Joly,
  • Marie-Anne Cambon,
  • Florence Cornette,
  • Valérie Cueff-Gauchard,
  • Patrick Durand,
  • Colomban de Vargas,
  • Christine Felix,
  • Sandra Fuchs,
  • Babett Günther,
  • Nicolas Henry,
  • Stéphane Hourdez,
  • Didier Jollivet,
  • Anne-Sophie Le Port,
  • Françoise Lesongeur,
  • Loïs Maignien,
  • Sophie Comtet-Marre,
  • Marjolaine Matabos,
  • Emmanuelle Omnes,
  • Pierre Peyret,
  • Florence Pradillon,
  • Jozée Sarrazin,
  • Clemens Schauberger,
  • Adrien Tran Lu Y,
  • Osvaldo Ulloa,
  • Sandrine Vaz,
  • Daniela Zeppili,
  • Frédérique Viard,
  • Frédérick Gavory,
  • Shahinaz Gaz,
  • Julie Guy,
  • E’Krame Jacoby,
  • Pedro H. Oliveira,
  • Gaëlle Samson,
  • Jean-Marc Aury,
  • Patrick Wincker,
  • Stéphane Pesant,
  • Julie Poulain,
  • Caroline Belser

摘要

The deep-sea floor encompasses more than half of the surface of our planet, yet the extent and distribution of deep-sea biodiversity and its contribution to large biogeochemical cycles remain poorly understood. This knowledge gap stems from several factors, including sampling issues, the magnitude of the work required for morphological inventories, and the difficulty of integrating results from disparate local studies. The application of meta-omics to environmental DNA now makes it possible to assemble interoperable datasets at different spatial scales to move towards a global assessment of deep-sea biodiversity. We present a large-scale dataset on deep-sea biodiversity, with data and metadata openly accessible at ENA and Zenodo. The resource was generated using standardized protocols developed according to FAIR principles, covering fieldwork through bioinformatic analysis, within “Pourquoi Pas les Abysses?” and eDNAbyss projects. Together with information ensuring reproducibility, this dataset —combining metagenomics, metabarcoding across the Tree of Life and capture-by-hybridization— contributes to the international concerted effort to achieve a holistic view of the biodiversity in the largest biome on Earth.