From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01)
This project was supported through funding from the Australian Government’s Australian Antarctic Science Grant Programs (AAS 4333 and AAS 4419) and the Australian Research Council’s Discovery Projects funding scheme (DP170100557). We thank the team at the Australian Centre for Ancient DNA (ACAD), Th...
Published in: | Journal of Geophysical Research: Biogeosciences |
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Online Access: | https://hdl.handle.net/10481/82073 https://doi.org/10.1029/2022JG007252 |
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ftunivgranada:oai:digibug.ugr.es:10481/82073 2023-06-18T03:38:09+02:00 From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) Armbrecht, Linda López Quirós, Adrián 2023-04 https://hdl.handle.net/10481/82073 https://doi.org/10.1029/2022JG007252 eng eng American Geophysical Union Armbrecht, L., Focardi, A., Lawler, K.-A., O’Brien, P., Leventer, A., Noble, T. L., et al. (2023). From the surface ocean to the seafloor: Linking modern and paleo-genetics at the Sabrina Coast, East Antarctica (IN2017_V01). Journal of Geophysical Research: Biogeosciences, 128, e2022JG007252. [https://doi.org/10.1029/2022JG007252] https://hdl.handle.net/10481/82073 doi:10.1029/2022JG007252 Atribución-NoComercial 4.0 Internacional http://creativecommons.org/licenses/by-nc/4.0/ info:eu-repo/semantics/openAccess info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2023 ftunivgranada https://doi.org/10.1029/2022JG007252 2023-06-06T23:31:20Z This project was supported through funding from the Australian Government’s Australian Antarctic Science Grant Programs (AAS 4333 and AAS 4419) and the Australian Research Council’s Discovery Projects funding scheme (DP170100557). We thank the team at the Australian Centre for Ancient DNA (ACAD), The Univer- sity of Adelaide, especially Corinne Preuss and Steve Johnson for their techni- cal help during the sedaDNA laboratory work. LA was funded by an Australian Research Council Discovery Early Career Researcher Award (ARC DECRA DE210100929). The modern molecular data analysis was supported by an ARC Grant awarded to IP (FL140100021). KAL is supported by an Australian Research Training Program (RTP) scholarship. We acknowledge the use of imagery from the NASA Worldview application (https://worldview.earthdata. nasa.gov), part of the NASA Earth Observing System Data and Information System (EOSDIS). Open access publish- ing facilitated by University of Tasmania, as part of the Wiley - University of Tasmania agreement via the Council of Australian University Librarians. With ongoing climate change, research into the biological changes occurring in particularly vulnerable ecosystems, such as Antarctica, is critical. The Totten Glacier region, Sabrina Coast, is currently experiencing some of the highest rates of thinning across all East Antarctica. An assessment of the microscopic organisms supporting the ecosystem of the marginal sea-ice zone over the continental rise is important, yet there is a lack of knowledge about the diversity and distribution of these organisms throughout the water column, and their occurrence and/or preservation in the underlying sediments. Here, we provide a taxonomic overview of the modern and ancient marine bacterial and eukaryotic communities of the Totten Glacier region, using a combination of 16S and 18S rRNA amplicon sequencing (modern DNA) and shotgun metagenomics (sedimentary ancient DNA, sedaDNA). Our data show considerable differences between eukaryote and bacterial signals in ... Article in Journal/Newspaper Antarc* Antarctic Antarctica East Antarctica Sea ice Totten Glacier DIGIBUG: Repositorio Institucional de la Universidad de Granada Antarctic East Antarctica Totten Glacier ENVELOPE(116.333,116.333,-66.833,-66.833) Sabrina Coast ENVELOPE(118.550,118.550,-67.000,-67.000) Journal of Geophysical Research: Biogeosciences 128 4 |
institution |
Open Polar |
collection |
DIGIBUG: Repositorio Institucional de la Universidad de Granada |
op_collection_id |
ftunivgranada |
language |
English |
description |
This project was supported through funding from the Australian Government’s Australian Antarctic Science Grant Programs (AAS 4333 and AAS 4419) and the Australian Research Council’s Discovery Projects funding scheme (DP170100557). We thank the team at the Australian Centre for Ancient DNA (ACAD), The Univer- sity of Adelaide, especially Corinne Preuss and Steve Johnson for their techni- cal help during the sedaDNA laboratory work. LA was funded by an Australian Research Council Discovery Early Career Researcher Award (ARC DECRA DE210100929). The modern molecular data analysis was supported by an ARC Grant awarded to IP (FL140100021). KAL is supported by an Australian Research Training Program (RTP) scholarship. We acknowledge the use of imagery from the NASA Worldview application (https://worldview.earthdata. nasa.gov), part of the NASA Earth Observing System Data and Information System (EOSDIS). Open access publish- ing facilitated by University of Tasmania, as part of the Wiley - University of Tasmania agreement via the Council of Australian University Librarians. With ongoing climate change, research into the biological changes occurring in particularly vulnerable ecosystems, such as Antarctica, is critical. The Totten Glacier region, Sabrina Coast, is currently experiencing some of the highest rates of thinning across all East Antarctica. An assessment of the microscopic organisms supporting the ecosystem of the marginal sea-ice zone over the continental rise is important, yet there is a lack of knowledge about the diversity and distribution of these organisms throughout the water column, and their occurrence and/or preservation in the underlying sediments. Here, we provide a taxonomic overview of the modern and ancient marine bacterial and eukaryotic communities of the Totten Glacier region, using a combination of 16S and 18S rRNA amplicon sequencing (modern DNA) and shotgun metagenomics (sedimentary ancient DNA, sedaDNA). Our data show considerable differences between eukaryote and bacterial signals in ... |
format |
Article in Journal/Newspaper |
author |
Armbrecht, Linda López Quirós, Adrián |
spellingShingle |
Armbrecht, Linda López Quirós, Adrián From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) |
author_facet |
Armbrecht, Linda López Quirós, Adrián |
author_sort |
Armbrecht, Linda |
title |
From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) |
title_short |
From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) |
title_full |
From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) |
title_fullStr |
From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) |
title_full_unstemmed |
From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) |
title_sort |
from the surface ocean to the seafloor: linking modern and paleo-genetics at the sabrina coast, east antarctica (in2017_v01) |
publisher |
American Geophysical Union |
publishDate |
2023 |
url |
https://hdl.handle.net/10481/82073 https://doi.org/10.1029/2022JG007252 |
long_lat |
ENVELOPE(116.333,116.333,-66.833,-66.833) ENVELOPE(118.550,118.550,-67.000,-67.000) |
geographic |
Antarctic East Antarctica Totten Glacier Sabrina Coast |
geographic_facet |
Antarctic East Antarctica Totten Glacier Sabrina Coast |
genre |
Antarc* Antarctic Antarctica East Antarctica Sea ice Totten Glacier |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Sea ice Totten Glacier |
op_relation |
Armbrecht, L., Focardi, A., Lawler, K.-A., O’Brien, P., Leventer, A., Noble, T. L., et al. (2023). From the surface ocean to the seafloor: Linking modern and paleo-genetics at the Sabrina Coast, East Antarctica (IN2017_V01). Journal of Geophysical Research: Biogeosciences, 128, e2022JG007252. [https://doi.org/10.1029/2022JG007252] https://hdl.handle.net/10481/82073 doi:10.1029/2022JG007252 |
op_rights |
Atribución-NoComercial 4.0 Internacional http://creativecommons.org/licenses/by-nc/4.0/ info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1029/2022JG007252 |
container_title |
Journal of Geophysical Research: Biogeosciences |
container_volume |
128 |
container_issue |
4 |
_version_ |
1769003029257781248 |