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Global phylogeography of marine synechococcus in coastal areas reveals strong community shifts
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Doré, Hugo, Leconte, Jade, Guyet, Ulysse, Breton, Solène, Farrant, Gregory K., Demory, David, Ratin, Morgane, Hoebeke, Mark, Corre, Erwan, Pitt, Frances Diana, Ostrowski, Martin, Scanlan, David J. , Partensky, Frédéric, Six, Christophe, Garczarek, Laurence and Blanchard, Jeffrey Lawrence (2022) Global phylogeography of marine synechococcus in coastal areas reveals strong community shifts. mSystems, 7 (6). doi:10.1128/msystems.00656-22 ISSN 2379-5077.
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Official URL: http://dx.doi.org/10.1128/msystems.00656-22
Abstract
Marine Synechococcus comprise a numerically and ecologically prominent phytoplankton group, playing a major role in both carbon cycling and trophic networks in all oceanic regions except in the polar oceans. Despite their high abundance in coastal areas, our knowledge of Synechococcus communities in these environments is based on only a few local studies. Here, we use the global metagenome data set of the Ocean Sampling Day (June 21st, 2014) to get a snapshot of the taxonomic composition of coastal Synechococcus communities worldwide, by recruitment on a reference database of 141 picocyanobacterial genomes, representative of the whole Prochlorococcus, Synechococcus, and Cyanobium diversity. This allowed us to unravel drastic community shifts over small to medium scale gradients of environmental factors, in particular along European coasts. The combined analysis of the phylogeography of natural populations and the thermophysiological characterization of eight strains, representative of the four major Synechococcus lineages (clades I to IV), also brought novel insights about the differential niche partitioning of clades I and IV, which most often co-dominate the Synechococcus community in cold and temperate coastal areas. Altogether, this study reveals several important characteristics and specificities of the coastal communities of Synechococcus worldwide.
| Item Type: | Journal Article | |||||||||||||||
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| Subjects: | Q Science > QH Natural history Q Science > QR Microbiology |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | |||||||||||||||
| Library of Congress Subject Headings (LCSH): | Cyanobacteria , Metagenomics , Marine bacteria | |||||||||||||||
| Journal or Publication Title: | mSystems | |||||||||||||||
| Publisher: | American Society for Microbiology | |||||||||||||||
| ISSN: | 2379-5077 | |||||||||||||||
| Official Date: | 5 December 2022 | |||||||||||||||
| Dates: |
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| Volume: | 7 | |||||||||||||||
| Number: | 6 | |||||||||||||||
| DOI: | 10.1128/msystems.00656-22 | |||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||
| Publication Status: | Published | |||||||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||
| Date of first compliant deposit: | 5 January 2023 | |||||||||||||||
| Date of first compliant Open Access: | 5 January 2023 | |||||||||||||||
| RIOXX Funder/Project Grant: |
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