Population genetic structure of North Atlantic, Mediterranean Sea and Sea of Cortez fin whales, Balaenoptera physalus (Linnaeus 1758): Analysis of mitochondrial and nuclear loci
Samples were collected from 407 fin whales, Balaenoptera physalus, at four North Atlantic and one Mediterranean Sea summer feeding area as well as the Sea of Cortez in the Pacific Ocean. For each sample, the sex, the sequence of the first 288 nucleotides of the mitochondrial (mt) control region and...
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ftunivbruxelles:oai:dipot.ulb.ac.be:2013/180474 2023-05-15T15:36:35+02:00 Population genetic structure of North Atlantic, Mediterranean Sea and Sea of Cortez fin whales, Balaenoptera physalus (Linnaeus 1758): Analysis of mitochondrial and nuclear loci Bérubé, Martine Aguilar, Álex A. Dendanto, Daniel Larsen, Finn Notarbartolo Di Sciara, Giuseppe Sears, Richard John Sigurjónsson, Jóhann Urban-R. Jorge Palsboll, Per Jakob 1998-05 1 full-text file(s): application/pdf http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/180474 https://dipot.ulb.ac.be/dspace/bitstream/2013/180474/3/180474.pdf en eng uri/info:doi/10.1046/j.1365-294x.1998.00359.x uri/info:pmid/9633102 uri/info:scp/0032078735 https://dipot.ulb.ac.be/dspace/bitstream/2013/180474/3/180474.pdf http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/180474 1 full-text file(s): info:eu-repo/semantics/restrictedAccess Molecular ecology, 7 (5 Biologie Evolution des espèces Ecologie Fin whale Gene flow Microsatellites Mitochondrial control region mtDNA Population identity info:eu-repo/semantics/article info:ulb-repo/semantics/articlePeerReview info:ulb-repo/semantics/openurl/article 1998 ftunivbruxelles 2022-06-12T20:37:39Z Samples were collected from 407 fin whales, Balaenoptera physalus, at four North Atlantic and one Mediterranean Sea summer feeding area as well as the Sea of Cortez in the Pacific Ocean. For each sample, the sex, the sequence of the first 288 nucleotides of the mitochondrial (mt) control region and the genotype at six microsatellite loci were determined. A significant degree of divergence was detected at all nuclear and mt loci between North Atlantic/Mediterranean Sea and the Sea of Cortez. However, the divergence time estimated from the mt sequences was substantially lower than the time elapsed since the rise of the Panama Isthmus, suggesting occasional gene flow between the North Pacific and North Atlantic ocean after the separation of the two oceans. Within the North Atlantic and Mediterranean Sea, significant levels of heterogeneity were observed in the mtDNA between the Mediterranean Sea, the eastern (Spain) and the western (the Gulf of Maine and the Gulf of St Lawrence) North Atlantic. Samples collected off West Greenland and Iceland could not be unequivocally assigned to either of the two areas. The homogeneity tests performed using the nuclear data revealed significant levels of divergence only between the Mediterranean Sea and the Gulf of St Lawrence or West Greenland. In conclusion, our results suggest the existence of several recently diverged populations in the North Atlantic and Mediterranean Sea, possibly with some limited gene flow between adjacent populations, a population structure which is consistent with earlier population models proposed by Kellogg, Ingebrigtsen, and Sergeant. SCOPUS: ar.j FLWIN info:eu-repo/semantics/published Article in Journal/Newspaper Balaenoptera physalus Fin whale Greenland Iceland North Atlantic DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB) Greenland Pacific |
institution |
Open Polar |
collection |
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB) |
op_collection_id |
ftunivbruxelles |
language |
English |
topic |
Biologie Evolution des espèces Ecologie Fin whale Gene flow Microsatellites Mitochondrial control region mtDNA Population identity |
spellingShingle |
Biologie Evolution des espèces Ecologie Fin whale Gene flow Microsatellites Mitochondrial control region mtDNA Population identity Bérubé, Martine Aguilar, Álex A. Dendanto, Daniel Larsen, Finn Notarbartolo Di Sciara, Giuseppe Sears, Richard John Sigurjónsson, Jóhann Urban-R. Jorge Palsboll, Per Jakob Population genetic structure of North Atlantic, Mediterranean Sea and Sea of Cortez fin whales, Balaenoptera physalus (Linnaeus 1758): Analysis of mitochondrial and nuclear loci |
topic_facet |
Biologie Evolution des espèces Ecologie Fin whale Gene flow Microsatellites Mitochondrial control region mtDNA Population identity |
description |
Samples were collected from 407 fin whales, Balaenoptera physalus, at four North Atlantic and one Mediterranean Sea summer feeding area as well as the Sea of Cortez in the Pacific Ocean. For each sample, the sex, the sequence of the first 288 nucleotides of the mitochondrial (mt) control region and the genotype at six microsatellite loci were determined. A significant degree of divergence was detected at all nuclear and mt loci between North Atlantic/Mediterranean Sea and the Sea of Cortez. However, the divergence time estimated from the mt sequences was substantially lower than the time elapsed since the rise of the Panama Isthmus, suggesting occasional gene flow between the North Pacific and North Atlantic ocean after the separation of the two oceans. Within the North Atlantic and Mediterranean Sea, significant levels of heterogeneity were observed in the mtDNA between the Mediterranean Sea, the eastern (Spain) and the western (the Gulf of Maine and the Gulf of St Lawrence) North Atlantic. Samples collected off West Greenland and Iceland could not be unequivocally assigned to either of the two areas. The homogeneity tests performed using the nuclear data revealed significant levels of divergence only between the Mediterranean Sea and the Gulf of St Lawrence or West Greenland. In conclusion, our results suggest the existence of several recently diverged populations in the North Atlantic and Mediterranean Sea, possibly with some limited gene flow between adjacent populations, a population structure which is consistent with earlier population models proposed by Kellogg, Ingebrigtsen, and Sergeant. SCOPUS: ar.j FLWIN info:eu-repo/semantics/published |
format |
Article in Journal/Newspaper |
author |
Bérubé, Martine Aguilar, Álex A. Dendanto, Daniel Larsen, Finn Notarbartolo Di Sciara, Giuseppe Sears, Richard John Sigurjónsson, Jóhann Urban-R. Jorge Palsboll, Per Jakob |
author_facet |
Bérubé, Martine Aguilar, Álex A. Dendanto, Daniel Larsen, Finn Notarbartolo Di Sciara, Giuseppe Sears, Richard John Sigurjónsson, Jóhann Urban-R. Jorge Palsboll, Per Jakob |
author_sort |
Bérubé, Martine |
title |
Population genetic structure of North Atlantic, Mediterranean Sea and Sea of Cortez fin whales, Balaenoptera physalus (Linnaeus 1758): Analysis of mitochondrial and nuclear loci |
title_short |
Population genetic structure of North Atlantic, Mediterranean Sea and Sea of Cortez fin whales, Balaenoptera physalus (Linnaeus 1758): Analysis of mitochondrial and nuclear loci |
title_full |
Population genetic structure of North Atlantic, Mediterranean Sea and Sea of Cortez fin whales, Balaenoptera physalus (Linnaeus 1758): Analysis of mitochondrial and nuclear loci |
title_fullStr |
Population genetic structure of North Atlantic, Mediterranean Sea and Sea of Cortez fin whales, Balaenoptera physalus (Linnaeus 1758): Analysis of mitochondrial and nuclear loci |
title_full_unstemmed |
Population genetic structure of North Atlantic, Mediterranean Sea and Sea of Cortez fin whales, Balaenoptera physalus (Linnaeus 1758): Analysis of mitochondrial and nuclear loci |
title_sort |
population genetic structure of north atlantic, mediterranean sea and sea of cortez fin whales, balaenoptera physalus (linnaeus 1758): analysis of mitochondrial and nuclear loci |
publishDate |
1998 |
url |
http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/180474 https://dipot.ulb.ac.be/dspace/bitstream/2013/180474/3/180474.pdf |
geographic |
Greenland Pacific |
geographic_facet |
Greenland Pacific |
genre |
Balaenoptera physalus Fin whale Greenland Iceland North Atlantic |
genre_facet |
Balaenoptera physalus Fin whale Greenland Iceland North Atlantic |
op_source |
Molecular ecology, 7 (5 |
op_relation |
uri/info:doi/10.1046/j.1365-294x.1998.00359.x uri/info:pmid/9633102 uri/info:scp/0032078735 https://dipot.ulb.ac.be/dspace/bitstream/2013/180474/3/180474.pdf http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/180474 |
op_rights |
1 full-text file(s): info:eu-repo/semantics/restrictedAccess |
_version_ |
1766366949645746176 |