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Ocean current patterns drive the worldwide colonization of eelgrass (Zostera marina)

Lei Yu Orcid Logo, Marina Khachaturyan Orcid Logo, Michael Matschiner Orcid Logo, Adam Healey Orcid Logo, Diane Bauer, Brenda Cameron, Mathieu Cusson Orcid Logo, J. Emmett Duffy Orcid Logo, F. Joel Fodrie Orcid Logo, Diana Gill, Jane Grimwood Orcid Logo, Masakazu Hori Orcid Logo, Kevin Hovel Orcid Logo, A. Randall Hughes Orcid Logo, Marlene Jahnke Orcid Logo, Jerry Jenkins Orcid Logo, Keykhosrow Keymanesh, Claudia Kruschel, Sujan Mamidi, Damian M. Menning Orcid Logo, Per-Olav Moksnes, Masahiro Nakaoka, Christa Pennacchio Orcid Logo, Katrin Reiss, Francesca Rossi Orcid Logo, Jennifer L. Ruesink Orcid Logo, Stewart T. Schultz, Sandra Talbot Orcid Logo, Richard Unsworth Orcid Logo, David H. Ward, Tal Dagan, Jeremy Schmutz Orcid Logo, Jonathan A. Eisen Orcid Logo, John J. Stachowicz Orcid Logo, Yves Van de Peer, Jeanine L. Olsen Orcid Logo, Thorsten B. H. Reusch Orcid Logo

Nature Plants, Volume: 9, Issue: 8, Pages: 1207 - 1220

Swansea University Author: Richard Unsworth Orcid Logo

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Abstract

Currents are unique drivers of oceanic phylogeography and thus determine the distribution of marine coastal species, along with past glaciations and sea-level changes. Here we reconstruct the worldwide colonization history of eelgrass (Zostera marina L.), the most widely distributed marine flowering...

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Published in: Nature Plants
ISSN: 2055-0278
Published: Springer Science and Business Media LLC 2023
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa64131
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Abstract: Currents are unique drivers of oceanic phylogeography and thus determine the distribution of marine coastal species, along with past glaciations and sea-level changes. Here we reconstruct the worldwide colonization history of eelgrass (Zostera marina L.), the most widely distributed marine flowering plant or seagrass from its origin in the Northwest Pacific, based on nuclear and chloroplast genomes. We identified two divergent Pacific clades with evidence for admixture along the East Pacific coast. Two west-to-east (trans-Pacific) colonization events support the key role of the North Pacific Current. Time-calibrated nuclear and chloroplast phylogenies yielded concordant estimates of the arrival of Z. marina in the Atlantic through the Canadian Arctic, suggesting that eelgrass-based ecosystems, hotspots of biodiversity and carbon sequestration, have only been present there for ~243 ky (thousand years). Mediterranean populations were founded ~44 kya, while extant distributions along western and eastern Atlantic shores were founded at the end of the Last Glacial Maximum (~19 kya), with at least one major refuge being the North Carolina region. The recent colonization and five- to sevenfold lower genomic diversity of the Atlantic compared to the Pacific populations raises concern and opportunity about how Atlantic eelgrass might respond to rapidly warming coastal oceans.
Item Description: Correction to: Nature Plants https://www.nature.com/articles/s41477-023-01464-3. Published online 20 July 2023. In the version of the article initially published, Yves Van de Peer’s name appeared incorrectly as Yves Van De Peer.
Keywords: Marine biology, Plant evolution, Population genetics
College: Faculty of Science and Engineering
Funders: Open access funding provided by GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel.
Issue: 8
Start Page: 1207
End Page: 1220