Single-cell genomics of multiple uncultured stramenopiles reveals underestimated functional diversity across oceans - Archive ouverte HAL Access content directly
Journal Articles Nature Communications Year : 2018

Single-cell genomics of multiple uncultured stramenopiles reveals underestimated functional diversity across oceans

1 LAGE - Laboratoire d'Analyses Génomiques des Eucaryotes
2 AFMB - Architecture et fonction des macromolécules biologiques
3 UMR 8030 - Génomique métabolique
4 LBGB - Laboratoire de Bioinformatique pour la Génomique et la Biodiversité
5 LMGE - Laboratoire Microorganismes : Génome et Environnement
6 GENOSCOPE - Genoscope - Centre national de séquençage [Evry]
7 ICM - Institute of Marine Sciences / Institut de Ciències del Mar [Barcelona]
8 EMBL - European Molecular Biology Laboratory [Heidelberg]
9 LGBM - Laboratoire de Génomique et Biochimie du Métabolisme
10 IBENS - Institut de biologie de l'ENS Paris
11 LOV - Laboratoire d'océanographie de Villefranche
12 SU - Sorbonne Université
13 Department of Oceanography [Honolulu]
14 MARUM - Center for Marine Environmental Sciences [Bremen]
15 PANGAEA - Data Publisher for Earth and Environmental Science
16 Bigelow Laboratory for Ocean Sciences
17 MIO - Institut méditerranéen d'océanologie
18 OSU - Ohio State University [Columbus]
19 SZN - Stazione Zoologica Anton Dohrn
20 AFMB - Architecture et fonction des macromolécules biologiques
21 Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
22 NSF - National Science Foundation [Arlington]
23 ADMM - Adaptation et diversité en milieu marin
24 University of Maine
25 EAPS - Department of Earth, Atmospheric and Planetary Sciences [MIT, Cambridge]
26 BIOM - Biologie intégrative des organismes marins
27 Rega Institute for Medical Research [Leuven, België]
28 UCD - University College Dublin [Dublin]
29 LBDV - Laboratoire de Biologie du Développement de Villefranche sur mer
30 LMD - Laboratoire de Météorologie Dynamique (UMR 8539)
31 UBO - Université de Brest
32 DVIP Consulting
Quentin Carradec
Eric Pelletier
Jade Leconte
Julie Poulain
Chris Bowler
Pascal Hingamp
Matthew B. Sullivan
Daniele Iudicone
Olivier Jaillon
Patrick Wincker
Emmanuel Boss
Lee Karp-Boss
Fabrice Not

Abstract

Single-celled eukaryotes (protists) are critical players in global biogeochemical cycling of nutrients and energy in the oceans. While their roles as primary producers and grazers are well appreciated, other aspects of their life histories remain obscure due to challenges in culturing and sequencing their natural diversity. Here, we exploit single-cell genomics and metagenomics data from the circumglobal $Tara$ Oceans expedition to analyze the genome content and apparent oceanic distribution of seven prevalent lineages of uncultured heterotrophic stramenopiles. Based on the available data, each sequenced genome or genotype appears to have a specific oceanic distribution, principally correlated with water temperature and depth. The genome content provides hypotheses for specialization in terms of cell motility, food spectra, and trophic stages, including the potential impact on their lifestyles of horizontal gene transfer from prokaryotes. Our results support the idea that prominent heterotrophic marine protists perform diverse functions in ocean ecology.
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hal-01771839 , version 1 (27-05-2020)

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Yoann Seeleuthner, Samuel Mondy, Vincent Lombard, Quentin Carradec, Eric Pelletier, et al.. Single-cell genomics of multiple uncultured stramenopiles reveals underestimated functional diversity across oceans. Nature Communications, 2018, 9, pp.310. ⟨10.1038/s41467-017-02235-3⟩. ⟨hal-01771839⟩
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