Patterns of eukaryotic diversity from the surface to the deep-ocean sediment

Type Article
Date 2022-02
Language English
Author(s) Cordier TristanORCID1, 2, Angeles Inès BarrenecheaORCID1, 3, Henry NicolasORCID4, 5, Lejzerowicz Franck6, 7, Berney CédricORCID4, 5, Morard RaphaëlORCID8, Brandt AngelikaORCID9, 10, Cambon-Bonavita Marie-AnneORCID11, Guidi LionelORCID12, Lombard FabienORCID12, 13, Arbizu Pedro Martinez14, 15, Massana RamonORCID16, Orejas CovadongaORCID17, Poulain JulieORCID5, 18, Smith Craig R.ORCID19, Wincker Patrick5, 18, Arnaud-Haond SophieORCID20, Gooday Andrew J.ORCID21, 22, de Vargas ColombanORCID4, 5, Pawlowski JanORCID1, 23, 24
Affiliation(s) 1 : Department of Genetics and Evolution, University of Geneva, Geneva, Switzerland.
2 : NORCE Climate, NORCE Norwegian Research Centre AS, Bjerknes Centre for Climate Research, Jahnebakken 5, 5007 Bergen, Norway.
3 : Department of Earth Sciences, University of Geneva, Geneva, Switzerland.
4 : Sorbonne Université, CNRS, Station Biologique de Roscoff, UMR 7144, ECOMAP,, 29680 Roscoff, France.
5 : Research Federation for the study of Global Ocean Systems Ecology and Evolution, FR2022/Tara GOSEE, 75016 Paris, France.
6 : Center for Microbiome Innovation, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
7 : Department of Pediatrics, School of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
8 : MARUM-Center for Marine Environmental Sciences, University of Bremen, Leobener Strasse 8, 28359 Bremen, Germany.
9 : Department of Marine Zoology, Section Crustacea, Senckenberg Research Institute and Natural History Museum, Senckenberganlage 25, 60325 Frankfurt, Germany.
10 : Institute for Ecology, Evolution, and Diversity, Goethe-University of Frankfurt, FB 15, Max-von-Laue-Str. 13, 60439 Frankfurt am Main, Germany.
11 : Univ Brest, Ifremer, CNRS, Laboratoire de Microbiologie des Environnements Extrêmes, Plouzané, France.
12 : Laboratoire d’océanographie de Villefranche (LOV), Observatoire Océanologique, Sorbonne Universités, UPMC Université Paris 06, CNRS, Villefranche-sur-Mer, 06230 Nice, France.
13 : Institut Universitaire de France (IUF), Paris, France.
14 : Senckenberg am Meer, German Centre for Marine Biodiversity Research, Südstrand 44, 26382 Wilhelmshaven, Germany.
15 : FK V IBU, AG Marine Biodiversität, Universität Oldenburg, 26129 Oldenburg, Germany.
16 : Department of Marine Biology and Oceanography, Institut de Ciències del Mar (CSIC), Barcelona, Spain.
17 : Spanish Institute of Oceanography (IEO), Oceanographic Centre of Gijón,, Avda Príncipe de Asturias 70 bis, 33212 Gijón, Spain.
18 : Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, University Evry, University Paris-Saclay, 91057 Evry, France.
19 : Department of Oceanography, School of Ocean and Earth Science and Technology, University of Hawai'i at Mānoa, Honolulu, HI 96822, USA.
20 : MARBEC, Université de Montpellier, Ifremer, CNRS, IRD, Sète, France.
21 : National Oceanography Centre, Southampton, European Way, Southampton SO14 3ZH, UK.
22 : Life Sciences Department, Natural History Museum, Cromwell Road, London SW7 5BD, UK.
23 : ID-Gene ecodiagnostics, Confignon, 1232 Geneva, Switzerland.
24 : Institute of Oceanology, Polish Academy of Sciences, 81-712 Sopot, Poland.
Source Science Advances (2375-2548) (American Association for the Advancement of Science (AAAS)), 2022-02 , Vol. 8 , N. 5 , P. eabj9309 (14p.)
DOI 10.1126/sciadv.abj9309
WOS© Times Cited 29

Remote deep-ocean sediment (DOS) ecosystems are among the least explored biomes on Earth. Genomic assessments of their biodiversity have failed to separate indigenous benthic organisms from sinking plankton. Here, we compare global-scale eukaryotic DNA metabarcoding datasets (18S-V9) from abyssal and lower bathyal surficial sediments and euphotic and aphotic ocean pelagic layers to distinguish plankton from benthic diversity in sediment material. Based on 1685 samples collected throughout the world ocean, we show that DOS diversity is at least threefold that in pelagic realms, with nearly two-thirds represented by abundant yet unknown eukaryotes. These benthic communities are spatially structured by ocean basins and particulate organic carbon (POC) flux from the upper ocean. Plankton DNA reaching the DOS originates from abundant species, with maximal deposition at high latitudes. Its seafloor DNA signature predicts variations in POC export from the surface and reveals previously overlooked taxa that may drive the biological carbon pump.

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Figs. S1 to S13 Tables S1 and S4 Legends for tables S2, S3, S5 to S8 References 32 3 MB Open access
Tables S2, S3, S5 to S8 677 KB Open access
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Cordier Tristan, Angeles Inès Barrenechea, Henry Nicolas, Lejzerowicz Franck, Berney Cédric, Morard Raphaël, Brandt Angelika, Cambon-Bonavita Marie-Anne, Guidi Lionel, Lombard Fabien, Arbizu Pedro Martinez, Massana Ramon, Orejas Covadonga, Poulain Julie, Smith Craig R., Wincker Patrick, Arnaud-Haond Sophie, Gooday Andrew J., de Vargas Colomban, Pawlowski Jan (2022). Patterns of eukaryotic diversity from the surface to the deep-ocean sediment. Science Advances, 8(5), eabj9309 (14p.). Publisher's official version : , Open Access version :