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Journal Articles Science Year : 2015

Eukaryotic plankton diversity in the sunlit ocean

1 DIPO - Diversité et Interactions au sein du Plancton Océanique
2 AD2M - Adaptation et diversité en milieu marin
3 GENOSCOPE - Genoscope - Centre national de séquençage [Evry]
4 EPEP - Evolution des Protistes et Ecosystèmes Pélagiques
5 IBENS - Institut de biologie de l'ENS Paris
6 UMR 8030 - Génomique métabolique
7 IBPS - Institut de Biologie Paris Seine
8 Department of ecology
9 SIB - Swiss Institute of Bioinformatics [Lausanne]
10 Immunobiologie Cellulaire et Moléculaire des Infections Parasitaires
11 Department of Oceanography
12 LOV - Laboratoire d'océanographie de Villefranche
13 FI / MUNI - Faculty of Informatics [Brno]
14 MARUM - Center for Marine Environmental Sciences [Bremen]
15 PELAGOS - Laboratoire d'Ecologie Pélagique
16 DEOS - Département Electronique, Optronique et Signal
17 SZN - Stazione Zoologica Anton Dohrn
18 EMBL - European Molecular Biology Laboratory [Heidelberg]
19 EMBL - European Molecular Biology Laboratory [Grenoble]
20 BIOM - Biologie intégrative des organismes marins
21 OOB - Observatoire océanologique de Banyuls
22 IGS - Information génomique et structurale
23 Kyoto University
24 Universität Bremen
25 Rega Institute - VIB Center for the Biology of Disease, Department of Microbiology and Immunology, Bioinformatics and (eco-)systems Biology Laboratory, Louvain, Belgique
26 LPO - Laboratoire de physique des océans
27 European Molecular Biology Laboratory
28 EPEP - Evolution des Protistes et Ecosystèmes Pélagiques
29 Department of ecology
30 ICM - Institute of Marine Sciences / Institut de Ciències del Mar [Barcelona]
31 Laboratory of Soil Biodiversity
Ian Probert
Margaux Carmichael
  • Function : Author
Olga Flegontova
  • Function : Author
Gipsi Lima-Mendez
  • Function : Author
Julius Lukes
  • Function : Author
Matthieu Mulot
  • Function : Author
Eleonora Scalco
  • Function : Author
Celine Dimier
  • Function : Author
Sarah Searson
  • Function : Author
Silvia G. Acinas
  • Function : Author
Chris Bowler
Pascal Hingamp
Daniele Iudicone
Hiroyuki Ogata
Michael E. Sieracki
  • Function : Author
Lars Stemmann
Tara Oceans Coordinators
  • Function : Author
Enrique Lara


Marine plankton support global biological and geochemical processes. Surveys of their biodiversity have hitherto been geographically restricted and have not accounted for the full range of plankton size. We assessed eukaryotic diversity from 334 size-fractionated photic-zone plankton communities collected across tropical and temperate oceans during the circumglobal Tara Oceans expedition. We analyzed 18S ribosomal DNA sequences across the intermediate plankton-size spectrum from the smallest unicellular eukaryotes (protists, > 0.8 micrometers) to small animals of a few millimeters. Eukaryotic ribosomal diversity saturated at similar to 150,000 operational taxonomic units, about one-third of which could not be assigned to known eukaryotic groups. Diversity emerged at all taxonomic levels, both within the groups comprising the similar to 11,200 cataloged morphospecies of eukaryotic plankton and among twice as many other deep-branching lineages of unappreciated importance in plankton ecology studies. Most eukaryotic plankton biodiversity belonged to heterotrophic protistan groups, particularly those known to be parasites or symbiotic hosts.
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Dates and versions

hal-01253979 , version 1 (14-04-2021)



Noan Le Bescot, Ian Probert, Margaux Carmichael, Julie Poulain, Sarah Romac, et al.. Eukaryotic plankton diversity in the sunlit ocean. Science, 2015, 348 (6237), pp.1261605. ⟨10.1126/science.1261605⟩. ⟨hal-01253979⟩
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