Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf ...
Throughout coastal Antarctica, ice shelves separate oceanic waters from sunlight by hundreds of meters of ice. Historical studies have detected activity of nitrifying microorganisms in oceanic cavities below permanent ice shelves. However, little is known about the microbial composition and pathways...
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ftdatacite:10.3929/ethz-b-000527662 2024-04-28T08:02:36+00:00 Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf ... Martínez-Pérez, Clara Greening, Chris Bay, Sean K. Lappan, Rachael J. Zhao, Zhiao De Corte, Daniele Hulbe, Christina Ohneiser, Christian Stevens, Craig Thomson, Blair Stepanauskas, Ramunas González, José M. Logares, Ramiro Morales, Sergio E. Baltar, Federico 2022 application/pdf https://dx.doi.org/10.3929/ethz-b-000527662 http://hdl.handle.net/20.500.11850/527662 en eng ETH Zurich info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 article-journal Text ScholarlyArticle Journal Article 2022 ftdatacite https://doi.org/10.3929/ethz-b-000527662 2024-04-02T12:34:54Z Throughout coastal Antarctica, ice shelves separate oceanic waters from sunlight by hundreds of meters of ice. Historical studies have detected activity of nitrifying microorganisms in oceanic cavities below permanent ice shelves. However, little is known about the microbial composition and pathways that mediate these activities. In this study, we profiled the microbial communities beneath the Ross Ice Shelf using a multi-omics approach. Overall, beneath-shelf microorganisms are of comparable abundance and diversity, though distinct composition, relative to those in the open meso- and bathypelagic ocean. Production of new organic carbon is likely driven by aerobic lithoautotrophic archaea and bacteria that can use ammonium, nitrite, and sulfur compounds as electron donors. Also enriched were aerobic organoheterotrophic bacteria capable of degrading complex organic carbon substrates, likely derived from in situ fixed carbon and potentially refractory organic matter laterally advected by the below-shelf ... : Nature Communications, 13 (1) ... Article in Journal/Newspaper Antarc* Antarctica Ice Shelf Ice Shelves Ross Ice Shelf DataCite Metadata Store (German National Library of Science and Technology) |
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Open Polar |
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DataCite Metadata Store (German National Library of Science and Technology) |
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ftdatacite |
language |
English |
description |
Throughout coastal Antarctica, ice shelves separate oceanic waters from sunlight by hundreds of meters of ice. Historical studies have detected activity of nitrifying microorganisms in oceanic cavities below permanent ice shelves. However, little is known about the microbial composition and pathways that mediate these activities. In this study, we profiled the microbial communities beneath the Ross Ice Shelf using a multi-omics approach. Overall, beneath-shelf microorganisms are of comparable abundance and diversity, though distinct composition, relative to those in the open meso- and bathypelagic ocean. Production of new organic carbon is likely driven by aerobic lithoautotrophic archaea and bacteria that can use ammonium, nitrite, and sulfur compounds as electron donors. Also enriched were aerobic organoheterotrophic bacteria capable of degrading complex organic carbon substrates, likely derived from in situ fixed carbon and potentially refractory organic matter laterally advected by the below-shelf ... : Nature Communications, 13 (1) ... |
format |
Article in Journal/Newspaper |
author |
Martínez-Pérez, Clara Greening, Chris Bay, Sean K. Lappan, Rachael J. Zhao, Zhiao De Corte, Daniele Hulbe, Christina Ohneiser, Christian Stevens, Craig Thomson, Blair Stepanauskas, Ramunas González, José M. Logares, Ramiro Morales, Sergio E. Baltar, Federico |
spellingShingle |
Martínez-Pérez, Clara Greening, Chris Bay, Sean K. Lappan, Rachael J. Zhao, Zhiao De Corte, Daniele Hulbe, Christina Ohneiser, Christian Stevens, Craig Thomson, Blair Stepanauskas, Ramunas González, José M. Logares, Ramiro Morales, Sergio E. Baltar, Federico Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf ... |
author_facet |
Martínez-Pérez, Clara Greening, Chris Bay, Sean K. Lappan, Rachael J. Zhao, Zhiao De Corte, Daniele Hulbe, Christina Ohneiser, Christian Stevens, Craig Thomson, Blair Stepanauskas, Ramunas González, José M. Logares, Ramiro Morales, Sergio E. Baltar, Federico |
author_sort |
Martínez-Pérez, Clara |
title |
Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf ... |
title_short |
Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf ... |
title_full |
Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf ... |
title_fullStr |
Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf ... |
title_full_unstemmed |
Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf ... |
title_sort |
phylogenetically and functionally diverse microorganisms reside under the ross ice shelf ... |
publisher |
ETH Zurich |
publishDate |
2022 |
url |
https://dx.doi.org/10.3929/ethz-b-000527662 http://hdl.handle.net/20.500.11850/527662 |
genre |
Antarc* Antarctica Ice Shelf Ice Shelves Ross Ice Shelf |
genre_facet |
Antarc* Antarctica Ice Shelf Ice Shelves Ross Ice Shelf |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.3929/ethz-b-000527662 |
_version_ |
1797573893880283136 |