Abundance and activity of sympagic viruses near the Western Antarctic Peninsula
16 pages, 3 figures, 2 tables, supplementary information https://doi.org/10.1007/s00300-022-03073-w The Western Antarctic Peninsula (WAP) has experienced significant changes in seawater temperature over the past 50 years. This warming affects seawater and sea ice microbial cycling of organic matter,...
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ftcsic:oai:digital.csic.es:10261/278276 2024-02-11T09:57:40+01:00 Abundance and activity of sympagic viruses near the Western Antarctic Peninsula Rocchi, Arianna Sotomayor Garcia, Ana Cabrera-Brufau, Miguel Berdalet, Elisa Dall'Osto, Manuel Vaqué, Dolors Ministerio de Ciencia, Innovación y Universidades (España) Agencia Estatal de Investigación (España) 2022-08 http://hdl.handle.net/10261/278276 https://doi.org/10.1007/s00300-022-03073-w https://doi.org/10.13039/501100011033 en eng Springer #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2017-89117-R/ES/INTERACTIONES ATMOSFERA-HIELO-OCEANO EN ZONAS POLARES: IMPACTO EN EL CLIMA Y LA ECOLOGIA/ https://doi.org/10.1007/s00300-022-03073-w Sí Polar Biology 45(8): 1363-1378 (2022) 0722-4060 CEX2019-000928-S http://hdl.handle.net/10261/278276 doi:10.1007/s00300-022-03073-w 1432-2056 http://dx.doi.org/10.13039/501100011033 embargo_20230831 Virus Prokaryotes Protists Sea ice Viral activity Antarctic Ocean artículo 2022 ftcsic https://doi.org/10.1007/s00300-022-03073-w10.13039/501100011033 2024-01-16T11:28:27Z 16 pages, 3 figures, 2 tables, supplementary information https://doi.org/10.1007/s00300-022-03073-w The Western Antarctic Peninsula (WAP) has experienced significant changes in seawater temperature over the past 50 years. This warming affects seawater and sea ice microbial cycling of organic matter, where viral features could play a crucial role in sympagic sea ice melting environments. However, there is a lack of information about the sea ice viral abundances and processes (e.g. lysis rates and carbon release from microorganisms). To gain knowledge of sea ice viral, microbial, and chemical characteristics, we collected four different sea ice samples and their surrounding surface seawater during the Austral summer of 2019 north of the WAP. In each sample, we assessed viral and microbial abundances and environmental parameters. In the sea ice, we also measured viral-driven mortality rates on prokaryotes and protists and the consequent release of organic carbon. The viral and microorganism abundances in the sea ice were higher (4.5 ± 1.9 × 106 viruses mL−1; 1.5 ± 0.7 × 106 prokaryotes mL−1, 9.4 ± 5.0 × 102 protists mL−1) than in the surrounding surface seawater (1.7 × 106 viruses mL−1, 0.4 × 106 prokaryotes mL−1, 7.1 × 102 protists mL−1). Furthermore, viral lytic production on prokaryotes (4.5 ± 0.8 × 105 mL−1day−1) and protists (1.9 ± 1.0 × 104 mL−1 day−1) in sympagic environments had a higher viral impact on carbon release by protist (1.5 ± 1.1 µg C L−1 day−1) than by prokaryotes (0.3 ± 0.1 µg C L−1 day−1). Our results suggest that, after sea ice melting, viral abundances and activities may influence the functioning of the microbial food web by increasing the release of dissolved organic matter, affecting biogeochemical cycles and microbial communities in the underlying surface waters This study was supported by the project PI-ICE (Polar atmosphere–ice–ocean Interactions: Impact on Climate and Ecology. CTM2017-89117-R) funded by the Ministerio de Economía y Competitividad (MINECO) of Spain With the ... Article in Journal/Newspaper Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Polar Biology Sea ice Digital.CSIC (Spanish National Research Council) Antarctic Antarctic Ocean Antarctic Peninsula Austral Polar Biology 45 8 1363 1378 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Virus Prokaryotes Protists Sea ice Viral activity Antarctic Ocean |
spellingShingle |
Virus Prokaryotes Protists Sea ice Viral activity Antarctic Ocean Rocchi, Arianna Sotomayor Garcia, Ana Cabrera-Brufau, Miguel Berdalet, Elisa Dall'Osto, Manuel Vaqué, Dolors Abundance and activity of sympagic viruses near the Western Antarctic Peninsula |
topic_facet |
Virus Prokaryotes Protists Sea ice Viral activity Antarctic Ocean |
description |
16 pages, 3 figures, 2 tables, supplementary information https://doi.org/10.1007/s00300-022-03073-w The Western Antarctic Peninsula (WAP) has experienced significant changes in seawater temperature over the past 50 years. This warming affects seawater and sea ice microbial cycling of organic matter, where viral features could play a crucial role in sympagic sea ice melting environments. However, there is a lack of information about the sea ice viral abundances and processes (e.g. lysis rates and carbon release from microorganisms). To gain knowledge of sea ice viral, microbial, and chemical characteristics, we collected four different sea ice samples and their surrounding surface seawater during the Austral summer of 2019 north of the WAP. In each sample, we assessed viral and microbial abundances and environmental parameters. In the sea ice, we also measured viral-driven mortality rates on prokaryotes and protists and the consequent release of organic carbon. The viral and microorganism abundances in the sea ice were higher (4.5 ± 1.9 × 106 viruses mL−1; 1.5 ± 0.7 × 106 prokaryotes mL−1, 9.4 ± 5.0 × 102 protists mL−1) than in the surrounding surface seawater (1.7 × 106 viruses mL−1, 0.4 × 106 prokaryotes mL−1, 7.1 × 102 protists mL−1). Furthermore, viral lytic production on prokaryotes (4.5 ± 0.8 × 105 mL−1day−1) and protists (1.9 ± 1.0 × 104 mL−1 day−1) in sympagic environments had a higher viral impact on carbon release by protist (1.5 ± 1.1 µg C L−1 day−1) than by prokaryotes (0.3 ± 0.1 µg C L−1 day−1). Our results suggest that, after sea ice melting, viral abundances and activities may influence the functioning of the microbial food web by increasing the release of dissolved organic matter, affecting biogeochemical cycles and microbial communities in the underlying surface waters This study was supported by the project PI-ICE (Polar atmosphere–ice–ocean Interactions: Impact on Climate and Ecology. CTM2017-89117-R) funded by the Ministerio de Economía y Competitividad (MINECO) of Spain With the ... |
author2 |
Ministerio de Ciencia, Innovación y Universidades (España) Agencia Estatal de Investigación (España) |
format |
Article in Journal/Newspaper |
author |
Rocchi, Arianna Sotomayor Garcia, Ana Cabrera-Brufau, Miguel Berdalet, Elisa Dall'Osto, Manuel Vaqué, Dolors |
author_facet |
Rocchi, Arianna Sotomayor Garcia, Ana Cabrera-Brufau, Miguel Berdalet, Elisa Dall'Osto, Manuel Vaqué, Dolors |
author_sort |
Rocchi, Arianna |
title |
Abundance and activity of sympagic viruses near the Western Antarctic Peninsula |
title_short |
Abundance and activity of sympagic viruses near the Western Antarctic Peninsula |
title_full |
Abundance and activity of sympagic viruses near the Western Antarctic Peninsula |
title_fullStr |
Abundance and activity of sympagic viruses near the Western Antarctic Peninsula |
title_full_unstemmed |
Abundance and activity of sympagic viruses near the Western Antarctic Peninsula |
title_sort |
abundance and activity of sympagic viruses near the western antarctic peninsula |
publisher |
Springer |
publishDate |
2022 |
url |
http://hdl.handle.net/10261/278276 https://doi.org/10.1007/s00300-022-03073-w https://doi.org/10.13039/501100011033 |
geographic |
Antarctic Antarctic Ocean Antarctic Peninsula Austral |
geographic_facet |
Antarctic Antarctic Ocean Antarctic Peninsula Austral |
genre |
Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Polar Biology Sea ice |
genre_facet |
Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Polar Biology Sea ice |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2017-89117-R/ES/INTERACTIONES ATMOSFERA-HIELO-OCEANO EN ZONAS POLARES: IMPACTO EN EL CLIMA Y LA ECOLOGIA/ https://doi.org/10.1007/s00300-022-03073-w Sí Polar Biology 45(8): 1363-1378 (2022) 0722-4060 CEX2019-000928-S http://hdl.handle.net/10261/278276 doi:10.1007/s00300-022-03073-w 1432-2056 http://dx.doi.org/10.13039/501100011033 |
op_rights |
embargo_20230831 |
op_doi |
https://doi.org/10.1007/s00300-022-03073-w10.13039/501100011033 |
container_title |
Polar Biology |
container_volume |
45 |
container_issue |
8 |
container_start_page |
1363 |
op_container_end_page |
1378 |
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1790593206669279232 |