Single-cell genomics of multiple uncultured stramenopiles reveals underestimated functional diversity across oceans
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Author(s)
Seeleuthner, Yoann
Mondy, Samuel
Lombard, Vincent
Carradec, Quentin
Pelletier, Eric
Wessner, Marc
Leconte, Jade
Mangot, Jean-François
Poulain, Julie
Labadie, Karine
Date Issued
January 2018
Journal
Nature Communications
Publisher
Nature Publishing Group
Citation
Seeleuthner, Yoann, Samuel Mondy, Vincent Lombard, Quentin Carradec, Eric Pelletier, Marc Wessner, et al. “Single-Cell Genomics of Multiple Uncultured Stramenopiles Reveals Underestimated Functional Diversity Across Oceans.” Nature Communications 9, 1 (January 2018): 310 © 2018 The Author(s)
Version
Final published version
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.
MIT Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
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Creative Commons Attribution 4.0 International License
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DOI of Published Version
https://doi.org/10.1038/s41467-017-02235-3
