Genetic structure of Patagonian toothfish populations from otolith DNA
International audience The Patagonian toothfish, Dissostichus eleginoides, is a valuable fishery species and has a discontinuous distribution across the Southern Ocean. Identification of the genetic stock structure of toothfish would allow evaluation of the suitability of the spatial scale at which...
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ftccsdartic:oai:HAL:hal-01972619v1 2023-05-15T14:02:40+02:00 Genetic structure of Patagonian toothfish populations from otolith DNA Toomey, Lola Welsford, Dirk Appleyard, Sharon, Polanowski, Andrea Faux, Cassandra Deagle, Bruce, Belchier, Mark Marthick, James Jarman, Simon Australian Antarctic Division (AAD) Australian Government, Department of the Environment and Energy CSIRO National Research Collections British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Menzies Research Institute Tasmania, University of Tasmania, Hobart, Tasmania, Australia University of Tasmania Hobart, Australia (UTAS) 2016-10 https://hal.archives-ouvertes.fr/hal-01972619 https://doi.org/10.1017/s0954102016000183 en eng HAL CCSD Cambridge University Press (CUP) info:eu-repo/semantics/altIdentifier/doi/10.1017/s0954102016000183 hal-01972619 https://hal.archives-ouvertes.fr/hal-01972619 doi:10.1017/s0954102016000183 ISSN: 0954-1020 EISSN: 1365-2079 Antarctic Science https://hal.archives-ouvertes.fr/hal-01972619 Antarctic Science, Cambridge University Press (CUP), 2016, 28 (05), pp.347-360. ⟨10.1017/s0954102016000183⟩ Antarctic Dissostichus eleginoides high throughput sequencing population genetics single nucleotide polymorphisms [SDV]Life Sciences [q-bio] info:eu-repo/semantics/article Journal articles 2016 ftccsdartic https://doi.org/10.1017/s0954102016000183 2020-12-24T23:18:26Z International audience The Patagonian toothfish, Dissostichus eleginoides, is a valuable fishery species and has a discontinuous distribution across the Southern Ocean. Identification of the genetic stock structure of toothfish would allow evaluation of the suitability of the spatial scale at which fisheries management operates. Genetic subdivision seems likely given the species distribution. Population genetics studies of this species have been performed; however, they have been limited by sample size, spatial coverage and/or the type of markers investigated. As a potential solution, we developed methods for extracting toothfish DNA from otoliths that are available in large numbers from collections held at several research institutes. Genetic differentiation between the three oceanic sectors was investigated. Four mitochondrial and four nuclear markers with multiple single nucleotide polymorphisms were sequenced by high throughput sequencing for samples from six locations. Genetic differentiation was found between three sectors with nuclear markers. However, only the Pacific sector was differentiated from other sectors with mitochondrial markers. This study demonstrates the usefulness of otolith DNA as a means of increasing sample sizes for population genetics research of fish. Additionally, the combination of nuclear and mitochondrial markers may allow insight into how the observed differences in movements between male and female toothfish impact population structure. Article in Journal/Newspaper Antarc* Antarctic Antarctic Science Patagonian Toothfish Southern Ocean Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic Pacific Southern Ocean Antarctic Science 28 5 347 360 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
Antarctic Dissostichus eleginoides high throughput sequencing population genetics single nucleotide polymorphisms [SDV]Life Sciences [q-bio] |
spellingShingle |
Antarctic Dissostichus eleginoides high throughput sequencing population genetics single nucleotide polymorphisms [SDV]Life Sciences [q-bio] Toomey, Lola Welsford, Dirk Appleyard, Sharon, Polanowski, Andrea Faux, Cassandra Deagle, Bruce, Belchier, Mark Marthick, James Jarman, Simon Genetic structure of Patagonian toothfish populations from otolith DNA |
topic_facet |
Antarctic Dissostichus eleginoides high throughput sequencing population genetics single nucleotide polymorphisms [SDV]Life Sciences [q-bio] |
description |
International audience The Patagonian toothfish, Dissostichus eleginoides, is a valuable fishery species and has a discontinuous distribution across the Southern Ocean. Identification of the genetic stock structure of toothfish would allow evaluation of the suitability of the spatial scale at which fisheries management operates. Genetic subdivision seems likely given the species distribution. Population genetics studies of this species have been performed; however, they have been limited by sample size, spatial coverage and/or the type of markers investigated. As a potential solution, we developed methods for extracting toothfish DNA from otoliths that are available in large numbers from collections held at several research institutes. Genetic differentiation between the three oceanic sectors was investigated. Four mitochondrial and four nuclear markers with multiple single nucleotide polymorphisms were sequenced by high throughput sequencing for samples from six locations. Genetic differentiation was found between three sectors with nuclear markers. However, only the Pacific sector was differentiated from other sectors with mitochondrial markers. This study demonstrates the usefulness of otolith DNA as a means of increasing sample sizes for population genetics research of fish. Additionally, the combination of nuclear and mitochondrial markers may allow insight into how the observed differences in movements between male and female toothfish impact population structure. |
author2 |
Australian Antarctic Division (AAD) Australian Government, Department of the Environment and Energy CSIRO National Research Collections British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Menzies Research Institute Tasmania, University of Tasmania, Hobart, Tasmania, Australia University of Tasmania Hobart, Australia (UTAS) |
format |
Article in Journal/Newspaper |
author |
Toomey, Lola Welsford, Dirk Appleyard, Sharon, Polanowski, Andrea Faux, Cassandra Deagle, Bruce, Belchier, Mark Marthick, James Jarman, Simon |
author_facet |
Toomey, Lola Welsford, Dirk Appleyard, Sharon, Polanowski, Andrea Faux, Cassandra Deagle, Bruce, Belchier, Mark Marthick, James Jarman, Simon |
author_sort |
Toomey, Lola |
title |
Genetic structure of Patagonian toothfish populations from otolith DNA |
title_short |
Genetic structure of Patagonian toothfish populations from otolith DNA |
title_full |
Genetic structure of Patagonian toothfish populations from otolith DNA |
title_fullStr |
Genetic structure of Patagonian toothfish populations from otolith DNA |
title_full_unstemmed |
Genetic structure of Patagonian toothfish populations from otolith DNA |
title_sort |
genetic structure of patagonian toothfish populations from otolith dna |
publisher |
HAL CCSD |
publishDate |
2016 |
url |
https://hal.archives-ouvertes.fr/hal-01972619 https://doi.org/10.1017/s0954102016000183 |
geographic |
Antarctic Pacific Southern Ocean |
geographic_facet |
Antarctic Pacific Southern Ocean |
genre |
Antarc* Antarctic Antarctic Science Patagonian Toothfish Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Science Patagonian Toothfish Southern Ocean |
op_source |
ISSN: 0954-1020 EISSN: 1365-2079 Antarctic Science https://hal.archives-ouvertes.fr/hal-01972619 Antarctic Science, Cambridge University Press (CUP), 2016, 28 (05), pp.347-360. ⟨10.1017/s0954102016000183⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1017/s0954102016000183 hal-01972619 https://hal.archives-ouvertes.fr/hal-01972619 doi:10.1017/s0954102016000183 |
op_doi |
https://doi.org/10.1017/s0954102016000183 |
container_title |
Antarctic Science |
container_volume |
28 |
container_issue |
5 |
container_start_page |
347 |
op_container_end_page |
360 |
_version_ |
1766273012578910208 |