Annual phytoplankton dynamics in coastal waters from Fildes Bay, Western Antarctic Peninsula
International audience Year-round reports of phytoplankton dynamics in the West Antarctic Peninsula are rare and mainly limited to microscopy and/or pigment-based studies. We analyzed the phytoplankton community from coastal waters of Fildes Bay in the West Antarctic Peninsula between January 2014 a...
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ftinsu:oai:HAL:hal-03195921v1 2024-04-14T08:01:37+00:00 Annual phytoplankton dynamics in coastal waters from Fildes Bay, Western Antarctic Peninsula Trefault, Nicole de La Iglesia, Rodrigo Moreno-Pino, Mario Lopes dos Santos, Adriana Gérikas Ribeiro, Catherine Parada-Pozo, Génesis Cristi, Antonia Marie, Dominique Vaulot, Daniel Universidad Mayor Santiago de Chile Pontificia Universidad Católica de Chile (UC) Nanyang Technological University Singapour Adaptation et diversité en milieu marin (ADMM) Institut national des sciences de l'Univers (INSU - CNRS)-Station biologique de Roscoff = Roscoff Marine Station (SBR) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) 2021-12 https://hal.sorbonne-universite.fr/hal-03195921 https://hal.sorbonne-universite.fr/hal-03195921/document https://hal.sorbonne-universite.fr/hal-03195921/file/s41598-020-80568-8.pdf https://doi.org/10.1038/s41598-020-80568-8 en eng HAL CCSD Nature Publishing Group info:eu-repo/semantics/altIdentifier/doi/10.1038/s41598-020-80568-8 info:eu-repo/semantics/altIdentifier/pmid/33446791 hal-03195921 https://hal.sorbonne-universite.fr/hal-03195921 https://hal.sorbonne-universite.fr/hal-03195921/document https://hal.sorbonne-universite.fr/hal-03195921/file/s41598-020-80568-8.pdf doi:10.1038/s41598-020-80568-8 PUBMED: 33446791 PUBMEDCENTRAL: PMC7809266 info:eu-repo/semantics/OpenAccess ISSN: 2045-2322 EISSN: 2045-2322 Scientific Reports https://hal.sorbonne-universite.fr/hal-03195921 Scientific Reports, 2021, 11 (1), pp.1368. ⟨10.1038/s41598-020-80568-8⟩ [SDV]Life Sciences [q-bio] info:eu-repo/semantics/article Journal articles 2021 ftinsu https://doi.org/10.1038/s41598-020-80568-8 2024-03-21T17:18:05Z International audience Year-round reports of phytoplankton dynamics in the West Antarctic Peninsula are rare and mainly limited to microscopy and/or pigment-based studies. We analyzed the phytoplankton community from coastal waters of Fildes Bay in the West Antarctic Peninsula between January 2014 and 2015 using metabarcoding of the nuclear and plastidial 18/16S rRNA gene from both size-fractionated and flow cytometry sorted samples. Overall 14 classes of photosynthetic eukaryotes were present in our samples with the following dominating: Bacillariophyta (diatoms), Pelagophyceae and Dictyochophyceae for division Ochrophyta, Mamiellophyceae and Pyramimonadophyceae for division Chlorophyta, Haptophyta and Cryptophyta. Each metabarcoding approach yielded a different image of the phytoplankton community with for example Prymnesiophyceae more prevalent in plastidial metabarcodes and Mamiellophyceae in nuclear ones. Diatoms were dominant in the larger size fractions and during summer, while Prymnesiophyceae and Cryptophyceae were dominant in colder seasons. Pelagophyceae were particularly abundant towards the end of autumn (May). In addition of Micromonas polaris and Micromonas sp. clade B3, both previously reported in Arctic waters, we detected a new Micromonas 18S rRNA sequence signature, close to, but clearly distinct from M. polaris, which potentially represents a new clade specific of the Antarctic. These results highlight the need for complementary strategies as well as the importance of year-round monitoring for a comprehensive description of phytoplankton communities in Antarctic coastal waters. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Arctic Phytoplankton Institut national des sciences de l'Univers: HAL-INSU Antarctic Antarctic Peninsula Arctic Fildes ENVELOPE(-58.817,-58.817,-62.217,-62.217) The Antarctic Scientific Reports 11 1 |
institution |
Open Polar |
collection |
Institut national des sciences de l'Univers: HAL-INSU |
op_collection_id |
ftinsu |
language |
English |
topic |
[SDV]Life Sciences [q-bio] |
spellingShingle |
[SDV]Life Sciences [q-bio] Trefault, Nicole de La Iglesia, Rodrigo Moreno-Pino, Mario Lopes dos Santos, Adriana Gérikas Ribeiro, Catherine Parada-Pozo, Génesis Cristi, Antonia Marie, Dominique Vaulot, Daniel Annual phytoplankton dynamics in coastal waters from Fildes Bay, Western Antarctic Peninsula |
topic_facet |
[SDV]Life Sciences [q-bio] |
description |
International audience Year-round reports of phytoplankton dynamics in the West Antarctic Peninsula are rare and mainly limited to microscopy and/or pigment-based studies. We analyzed the phytoplankton community from coastal waters of Fildes Bay in the West Antarctic Peninsula between January 2014 and 2015 using metabarcoding of the nuclear and plastidial 18/16S rRNA gene from both size-fractionated and flow cytometry sorted samples. Overall 14 classes of photosynthetic eukaryotes were present in our samples with the following dominating: Bacillariophyta (diatoms), Pelagophyceae and Dictyochophyceae for division Ochrophyta, Mamiellophyceae and Pyramimonadophyceae for division Chlorophyta, Haptophyta and Cryptophyta. Each metabarcoding approach yielded a different image of the phytoplankton community with for example Prymnesiophyceae more prevalent in plastidial metabarcodes and Mamiellophyceae in nuclear ones. Diatoms were dominant in the larger size fractions and during summer, while Prymnesiophyceae and Cryptophyceae were dominant in colder seasons. Pelagophyceae were particularly abundant towards the end of autumn (May). In addition of Micromonas polaris and Micromonas sp. clade B3, both previously reported in Arctic waters, we detected a new Micromonas 18S rRNA sequence signature, close to, but clearly distinct from M. polaris, which potentially represents a new clade specific of the Antarctic. These results highlight the need for complementary strategies as well as the importance of year-round monitoring for a comprehensive description of phytoplankton communities in Antarctic coastal waters. |
author2 |
Universidad Mayor Santiago de Chile Pontificia Universidad Católica de Chile (UC) Nanyang Technological University Singapour Adaptation et diversité en milieu marin (ADMM) Institut national des sciences de l'Univers (INSU - CNRS)-Station biologique de Roscoff = Roscoff Marine Station (SBR) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Trefault, Nicole de La Iglesia, Rodrigo Moreno-Pino, Mario Lopes dos Santos, Adriana Gérikas Ribeiro, Catherine Parada-Pozo, Génesis Cristi, Antonia Marie, Dominique Vaulot, Daniel |
author_facet |
Trefault, Nicole de La Iglesia, Rodrigo Moreno-Pino, Mario Lopes dos Santos, Adriana Gérikas Ribeiro, Catherine Parada-Pozo, Génesis Cristi, Antonia Marie, Dominique Vaulot, Daniel |
author_sort |
Trefault, Nicole |
title |
Annual phytoplankton dynamics in coastal waters from Fildes Bay, Western Antarctic Peninsula |
title_short |
Annual phytoplankton dynamics in coastal waters from Fildes Bay, Western Antarctic Peninsula |
title_full |
Annual phytoplankton dynamics in coastal waters from Fildes Bay, Western Antarctic Peninsula |
title_fullStr |
Annual phytoplankton dynamics in coastal waters from Fildes Bay, Western Antarctic Peninsula |
title_full_unstemmed |
Annual phytoplankton dynamics in coastal waters from Fildes Bay, Western Antarctic Peninsula |
title_sort |
annual phytoplankton dynamics in coastal waters from fildes bay, western antarctic peninsula |
publisher |
HAL CCSD |
publishDate |
2021 |
url |
https://hal.sorbonne-universite.fr/hal-03195921 https://hal.sorbonne-universite.fr/hal-03195921/document https://hal.sorbonne-universite.fr/hal-03195921/file/s41598-020-80568-8.pdf https://doi.org/10.1038/s41598-020-80568-8 |
long_lat |
ENVELOPE(-58.817,-58.817,-62.217,-62.217) |
geographic |
Antarctic Antarctic Peninsula Arctic Fildes The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Arctic Fildes The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Arctic Phytoplankton |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Arctic Phytoplankton |
op_source |
ISSN: 2045-2322 EISSN: 2045-2322 Scientific Reports https://hal.sorbonne-universite.fr/hal-03195921 Scientific Reports, 2021, 11 (1), pp.1368. ⟨10.1038/s41598-020-80568-8⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1038/s41598-020-80568-8 info:eu-repo/semantics/altIdentifier/pmid/33446791 hal-03195921 https://hal.sorbonne-universite.fr/hal-03195921 https://hal.sorbonne-universite.fr/hal-03195921/document https://hal.sorbonne-universite.fr/hal-03195921/file/s41598-020-80568-8.pdf doi:10.1038/s41598-020-80568-8 PUBMED: 33446791 PUBMEDCENTRAL: PMC7809266 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1038/s41598-020-80568-8 |
container_title |
Scientific Reports |
container_volume |
11 |
container_issue |
1 |
_version_ |
1796309930244833280 |