Morphological and genetic data from Cnemidocarpa verrucosa sensu lato ...
The Southern Ocean is one of the most isolated marine ecosystems, characterized by high levels of endemism, diversity and biomass. Ascidians are among the dominant groups in the Antarctic benthic communities, thus recording the evolutionary patterns of this group is crucial to improve our current un...
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ftdatacite:10.1594/pangaea.909707 2024-09-15T17:47:11+00:00 Morphological and genetic data from Cnemidocarpa verrucosa sensu lato ... Ruiz, Micaela Belen Taverna, Anabela Sahade, Ricardo José Held, Christoph 2019 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.909707 https://doi.pangaea.de/10.1594/PANGAEA.909707 en eng PANGAEA https://store.pangaea.de/Publications/Ruiz-etal_2019/18SGenBank-AN.txt https://store.pangaea.de/Publications/Ruiz-etal_2019/COIGenBank-AN.txt https://store.pangaea.de/Publications/Ruiz-etal_2019/Statistical_analysis.docx https://dx.doi.org/10.1002/ece3.6504 https://store.pangaea.de/Publications/Ruiz-etal_2019/18SGenBank-AN.txt https://store.pangaea.de/Publications/Ruiz-etal_2019/COIGenBank-AN.txt https://store.pangaea.de/Publications/Ruiz-etal_2019/Statistical_analysis.docx Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 DEPTH, water Sample ID Species, genetic Color description Siphon, position Presence/absence Shape Cnemidocarpa verrucosa, height Cnemidocarpa verrucosa, width Number Branchial formula Cnemidocarpa verrucosa, number of gonads Cnemidocarpa verrucosa, number of stomach folds Research station dataset Supplementary Dataset Dataset 2019 ftdatacite https://doi.org/10.1594/pangaea.90970710.1002/ece3.6504 2024-08-01T10:57:37Z The Southern Ocean is one of the most isolated marine ecosystems, characterized by high levels of endemism, diversity and biomass. Ascidians are among the dominant groups in the Antarctic benthic communities, thus recording the evolutionary patterns of this group is crucial to improve our current understanding on the assembly of this polar ocean. In this study, we studied the genetic variation within Cnemidocarpa verrucosa sensu lato, one of the most widely distributed and abundant ascidians in Antarctica. Using a mitochondrial and a nuclear gene (mtCOI and 18S), the phylogeography of fifteen populations distributed along the Antarctic Peninsula and South America (Burdwood Bank/MPA Namuncurá) was characterized, where the bimodal distribution of the genetic distance suggested the existence of two species within the nominal C. verrucosa. When re-evaluating morphological traits to distinguish between genetically defined species, the presence of basal disc in one of the genotypes allowed to differentiate the ... : (1) Both siphons are terminals, on the same line on the distal part (1) or one of them, oriented towards the one side (2).(2) Counts are made from the endostyle on the right side of the body (RE) to the dorsal lamina (DL) and from the DL to the endostyle on the left side (EL).(3) In general there are two gonadas to each side, but there are specimens with one gonad in each side, or two gonads in one side and one in other side of the body. ... Dataset Antarc* Antarctic Antarctic Peninsula Antarctica Southern Ocean DataCite |
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Open Polar |
collection |
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op_collection_id |
ftdatacite |
language |
English |
topic |
DEPTH, water Sample ID Species, genetic Color description Siphon, position Presence/absence Shape Cnemidocarpa verrucosa, height Cnemidocarpa verrucosa, width Number Branchial formula Cnemidocarpa verrucosa, number of gonads Cnemidocarpa verrucosa, number of stomach folds Research station |
spellingShingle |
DEPTH, water Sample ID Species, genetic Color description Siphon, position Presence/absence Shape Cnemidocarpa verrucosa, height Cnemidocarpa verrucosa, width Number Branchial formula Cnemidocarpa verrucosa, number of gonads Cnemidocarpa verrucosa, number of stomach folds Research station Ruiz, Micaela Belen Taverna, Anabela Sahade, Ricardo José Held, Christoph Morphological and genetic data from Cnemidocarpa verrucosa sensu lato ... |
topic_facet |
DEPTH, water Sample ID Species, genetic Color description Siphon, position Presence/absence Shape Cnemidocarpa verrucosa, height Cnemidocarpa verrucosa, width Number Branchial formula Cnemidocarpa verrucosa, number of gonads Cnemidocarpa verrucosa, number of stomach folds Research station |
description |
The Southern Ocean is one of the most isolated marine ecosystems, characterized by high levels of endemism, diversity and biomass. Ascidians are among the dominant groups in the Antarctic benthic communities, thus recording the evolutionary patterns of this group is crucial to improve our current understanding on the assembly of this polar ocean. In this study, we studied the genetic variation within Cnemidocarpa verrucosa sensu lato, one of the most widely distributed and abundant ascidians in Antarctica. Using a mitochondrial and a nuclear gene (mtCOI and 18S), the phylogeography of fifteen populations distributed along the Antarctic Peninsula and South America (Burdwood Bank/MPA Namuncurá) was characterized, where the bimodal distribution of the genetic distance suggested the existence of two species within the nominal C. verrucosa. When re-evaluating morphological traits to distinguish between genetically defined species, the presence of basal disc in one of the genotypes allowed to differentiate the ... : (1) Both siphons are terminals, on the same line on the distal part (1) or one of them, oriented towards the one side (2).(2) Counts are made from the endostyle on the right side of the body (RE) to the dorsal lamina (DL) and from the DL to the endostyle on the left side (EL).(3) In general there are two gonadas to each side, but there are specimens with one gonad in each side, or two gonads in one side and one in other side of the body. ... |
format |
Dataset |
author |
Ruiz, Micaela Belen Taverna, Anabela Sahade, Ricardo José Held, Christoph |
author_facet |
Ruiz, Micaela Belen Taverna, Anabela Sahade, Ricardo José Held, Christoph |
author_sort |
Ruiz, Micaela Belen |
title |
Morphological and genetic data from Cnemidocarpa verrucosa sensu lato ... |
title_short |
Morphological and genetic data from Cnemidocarpa verrucosa sensu lato ... |
title_full |
Morphological and genetic data from Cnemidocarpa verrucosa sensu lato ... |
title_fullStr |
Morphological and genetic data from Cnemidocarpa verrucosa sensu lato ... |
title_full_unstemmed |
Morphological and genetic data from Cnemidocarpa verrucosa sensu lato ... |
title_sort |
morphological and genetic data from cnemidocarpa verrucosa sensu lato ... |
publisher |
PANGAEA |
publishDate |
2019 |
url |
https://dx.doi.org/10.1594/pangaea.909707 https://doi.pangaea.de/10.1594/PANGAEA.909707 |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica Southern Ocean |
op_relation |
https://store.pangaea.de/Publications/Ruiz-etal_2019/18SGenBank-AN.txt https://store.pangaea.de/Publications/Ruiz-etal_2019/COIGenBank-AN.txt https://store.pangaea.de/Publications/Ruiz-etal_2019/Statistical_analysis.docx https://dx.doi.org/10.1002/ece3.6504 https://store.pangaea.de/Publications/Ruiz-etal_2019/18SGenBank-AN.txt https://store.pangaea.de/Publications/Ruiz-etal_2019/COIGenBank-AN.txt https://store.pangaea.de/Publications/Ruiz-etal_2019/Statistical_analysis.docx |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.1594/pangaea.90970710.1002/ece3.6504 |
_version_ |
1810496014767882240 |