Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lio...

Autores
Rosa de Oliveira, Larissa; Gehara, Marcelo C. M.; Fraga, Lúcia D.; Lopes, Fernando; Tunez, Juan Ignacio; Cassini, Marcelo Hernan; Majluf, Patricia; Cárdenas Alayza, Susana; Pavés, Héctor J.; Crespo, Enrique Alberto; Garcia, Nestor Anibal; Loizaga de Castro, Rocio; Hoelzel, A. Rus; Sepúlveda, Maritza; Olavarría, Carlos; Valiati, Victor Hugo; Quiñones, Renato; Pérez Alvarez, Maria Jose; Ott, Paulo Henrique; Bonatto, Sandro Luis
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The South American sea lion (Otaria flavescens) is widely distributed along the southern Atlantic and Pacific coasts of South America with a history of significant commercial exploitation. We aimed to evaluate the population genetic structure and the evolutionary history of South American sea lion along its distribution by analyses of mitochondrial DNA (mtDNA) and 10 nuclear microsatellites loci. We analyzed 147 sequences of mtDNA control region and genotyped 111 individuals of South American sea lion for 10 microsatellite loci, representing six populations (Peru, Northern Chile, Southern Chile, Uruguay (Brazil), Argentina and Falkland (Malvinas) Islands) and covering the entire distribution of the species. The mtDNA phylogeny shows that haplotypes from the two oceans comprise two very divergent clades as observed in previous studies, suggesting a long period (>1 million years) of low inter-oceanic female gene flow. Bayesian analysis of bi-parental genetic diversity supports significant (but less pronounced than mitochondrial) genetic structure between Pacific and Atlantic populations, although also suggested some inter-oceanic gene flow mediated by males. Higher male migration rates were found in the intra-oceanic population comparisons, supporting very high female philopatry in the species. Demographic analyses showed that populations from both oceans went through a large population expansion ~10,000 years ago, suggesting a very similar influence of historical environmental factors, such as the last glacial cycle, on both regions. Our results support the proposition that the Pacific and Atlantic populations of the South American sea lion should be considered distinct evolutionarily significant units, with at least two managements units in each ocean.
Fil: Rosa de Oliveira, Larissa. Universidade do Vale do Rio dos Sinos; Brasil. Grupo de Estudos de Mamíferos Aquáticos do Rio Grande do Sul; Brasil
Fil: Gehara, Marcelo C. M.. American Museum Of Natural History; Estados Unidos. Pontificia Universidade Católica do Rio Grande do Sul; Brasil
Fil: Fraga, Lúcia D.. Universidade do Vale do Rio dos Sinos; Brasil. Pontificia Universidade Católica do Rio Grande do Sul; Brasil
Fil: Lopes, Fernando. Universidade do Vale do Rio dos Sinos; Brasil. Pontificia Universidade Católica do Rio Grande do Sul; Brasil
Fil: Tunez, Juan Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Luján; Argentina
Fil: Cassini, Marcelo Hernan. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; Argentina. Universidad Nacional de Luján; Argentina
Fil: Majluf, Patricia. Universidad Peruana Cayetano Heredia; Perú
Fil: Cárdenas Alayza, Susana. Universidad Peruana Cayetano Heredia; Perú
Fil: Pavés, Héctor J.. Universidad Santo Tomas; Chile
Fil: Crespo, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
Fil: Garcia, Nestor Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
Fil: Loizaga de Castro, Rocio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
Fil: Hoelzel, A. Rus. University Of Durham; Reino Unido
Fil: Sepúlveda, Maritza. Facultad de Ciencias, Universidad de Valparaíso; Chile. Millenium Nucleus of Invasive Salmonids; Chile
Fil: Olavarría, Carlos. Centro de Estudios Avanzados en Zonas Aridas; Chile
Fil: Valiati, Victor Hugo. Universidade do Vale do Rio dos Sinos; Brasil
Fil: Quiñones, Renato. Universidad de Concepción; Chile
Fil: Pérez Alvarez, Maria Jose. Universidad de Chile; Chile
Fil: Ott, Paulo Henrique. Grupo de Estudos de Mamíferos Aquáticos do Rio Grande do Sul; Brasil. Universidade Estadual do Rio Grande do Sul; Brasil
Fil: Bonatto, Sandro Luis. Pontificia Universidade Católica do Rio Grande do Sul; Brasil
Materia
PINNIPEDOS
MOLECULAR MARKERS
FEMALE PHILOPATRY
PHYLOGEOGRAPHY
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/44478

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network_name_str CONICET Digital (CONICET)
spelling Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)Rosa de Oliveira, LarissaGehara, Marcelo C. M.Fraga, Lúcia D.Lopes, FernandoTunez, Juan IgnacioCassini, Marcelo HernanMajluf, PatriciaCárdenas Alayza, SusanaPavés, Héctor J.Crespo, Enrique AlbertoGarcia, Nestor AnibalLoizaga de Castro, RocioHoelzel, A. RusSepúlveda, MaritzaOlavarría, CarlosValiati, Victor HugoQuiñones, RenatoPérez Alvarez, Maria JoseOtt, Paulo HenriqueBonatto, Sandro LuisPINNIPEDOSMOLECULAR MARKERSFEMALE PHILOPATRYPHYLOGEOGRAPHYhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The South American sea lion (Otaria flavescens) is widely distributed along the southern Atlantic and Pacific coasts of South America with a history of significant commercial exploitation. We aimed to evaluate the population genetic structure and the evolutionary history of South American sea lion along its distribution by analyses of mitochondrial DNA (mtDNA) and 10 nuclear microsatellites loci. We analyzed 147 sequences of mtDNA control region and genotyped 111 individuals of South American sea lion for 10 microsatellite loci, representing six populations (Peru, Northern Chile, Southern Chile, Uruguay (Brazil), Argentina and Falkland (Malvinas) Islands) and covering the entire distribution of the species. The mtDNA phylogeny shows that haplotypes from the two oceans comprise two very divergent clades as observed in previous studies, suggesting a long period (>1 million years) of low inter-oceanic female gene flow. Bayesian analysis of bi-parental genetic diversity supports significant (but less pronounced than mitochondrial) genetic structure between Pacific and Atlantic populations, although also suggested some inter-oceanic gene flow mediated by males. Higher male migration rates were found in the intra-oceanic population comparisons, supporting very high female philopatry in the species. Demographic analyses showed that populations from both oceans went through a large population expansion ~10,000 years ago, suggesting a very similar influence of historical environmental factors, such as the last glacial cycle, on both regions. Our results support the proposition that the Pacific and Atlantic populations of the South American sea lion should be considered distinct evolutionarily significant units, with at least two managements units in each ocean.Fil: Rosa de Oliveira, Larissa. Universidade do Vale do Rio dos Sinos; Brasil. Grupo de Estudos de Mamíferos Aquáticos do Rio Grande do Sul; BrasilFil: Gehara, Marcelo C. M.. American Museum Of Natural History; Estados Unidos. Pontificia Universidade Católica do Rio Grande do Sul; BrasilFil: Fraga, Lúcia D.. Universidade do Vale do Rio dos Sinos; Brasil. Pontificia Universidade Católica do Rio Grande do Sul; BrasilFil: Lopes, Fernando. Universidade do Vale do Rio dos Sinos; Brasil. Pontificia Universidade Católica do Rio Grande do Sul; BrasilFil: Tunez, Juan Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Luján; ArgentinaFil: Cassini, Marcelo Hernan. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; Argentina. Universidad Nacional de Luján; ArgentinaFil: Majluf, Patricia. Universidad Peruana Cayetano Heredia; PerúFil: Cárdenas Alayza, Susana. Universidad Peruana Cayetano Heredia; PerúFil: Pavés, Héctor J.. Universidad Santo Tomas; ChileFil: Crespo, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; ArgentinaFil: Garcia, Nestor Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; ArgentinaFil: Loizaga de Castro, Rocio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; ArgentinaFil: Hoelzel, A. Rus. University Of Durham; Reino UnidoFil: Sepúlveda, Maritza. Facultad de Ciencias, Universidad de Valparaíso; Chile. Millenium Nucleus of Invasive Salmonids; ChileFil: Olavarría, Carlos. Centro de Estudios Avanzados en Zonas Aridas; ChileFil: Valiati, Victor Hugo. Universidade do Vale do Rio dos Sinos; BrasilFil: Quiñones, Renato. Universidad de Concepción; ChileFil: Pérez Alvarez, Maria Jose. Universidad de Chile; ChileFil: Ott, Paulo Henrique. Grupo de Estudos de Mamíferos Aquáticos do Rio Grande do Sul; Brasil. Universidade Estadual do Rio Grande do Sul; BrasilFil: Bonatto, Sandro Luis. Pontificia Universidade Católica do Rio Grande do Sul; BrasilPublic Library of Science2017-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/44478Rosa de Oliveira, Larissa; Gehara, Marcelo C. M.; Fraga, Lúcia D.; Lopes, Fernando; Tunez, Juan Ignacio; et al.; Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens); Public Library of Science; Plos One; 12; 6; 6-2017; e01794421932-6203CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0179442info:eu-repo/semantics/altIdentifier/url/http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0179442info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:08:37Zoai:ri.conicet.gov.ar:11336/44478instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:08:37.555CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)
title Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)
spellingShingle Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)
Rosa de Oliveira, Larissa
PINNIPEDOS
MOLECULAR MARKERS
FEMALE PHILOPATRY
PHYLOGEOGRAPHY
title_short Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)
title_full Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)
title_fullStr Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)
title_full_unstemmed Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)
title_sort Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens)
dc.creator.none.fl_str_mv Rosa de Oliveira, Larissa
Gehara, Marcelo C. M.
Fraga, Lúcia D.
Lopes, Fernando
Tunez, Juan Ignacio
Cassini, Marcelo Hernan
Majluf, Patricia
Cárdenas Alayza, Susana
Pavés, Héctor J.
Crespo, Enrique Alberto
Garcia, Nestor Anibal
Loizaga de Castro, Rocio
Hoelzel, A. Rus
Sepúlveda, Maritza
Olavarría, Carlos
Valiati, Victor Hugo
Quiñones, Renato
Pérez Alvarez, Maria Jose
Ott, Paulo Henrique
Bonatto, Sandro Luis
author Rosa de Oliveira, Larissa
author_facet Rosa de Oliveira, Larissa
Gehara, Marcelo C. M.
Fraga, Lúcia D.
Lopes, Fernando
Tunez, Juan Ignacio
Cassini, Marcelo Hernan
Majluf, Patricia
Cárdenas Alayza, Susana
Pavés, Héctor J.
Crespo, Enrique Alberto
Garcia, Nestor Anibal
Loizaga de Castro, Rocio
Hoelzel, A. Rus
Sepúlveda, Maritza
Olavarría, Carlos
Valiati, Victor Hugo
Quiñones, Renato
Pérez Alvarez, Maria Jose
Ott, Paulo Henrique
Bonatto, Sandro Luis
author_role author
author2 Gehara, Marcelo C. M.
Fraga, Lúcia D.
Lopes, Fernando
Tunez, Juan Ignacio
Cassini, Marcelo Hernan
Majluf, Patricia
Cárdenas Alayza, Susana
Pavés, Héctor J.
Crespo, Enrique Alberto
Garcia, Nestor Anibal
Loizaga de Castro, Rocio
Hoelzel, A. Rus
Sepúlveda, Maritza
Olavarría, Carlos
Valiati, Victor Hugo
Quiñones, Renato
Pérez Alvarez, Maria Jose
Ott, Paulo Henrique
Bonatto, Sandro Luis
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv PINNIPEDOS
MOLECULAR MARKERS
FEMALE PHILOPATRY
PHYLOGEOGRAPHY
topic PINNIPEDOS
MOLECULAR MARKERS
FEMALE PHILOPATRY
PHYLOGEOGRAPHY
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The South American sea lion (Otaria flavescens) is widely distributed along the southern Atlantic and Pacific coasts of South America with a history of significant commercial exploitation. We aimed to evaluate the population genetic structure and the evolutionary history of South American sea lion along its distribution by analyses of mitochondrial DNA (mtDNA) and 10 nuclear microsatellites loci. We analyzed 147 sequences of mtDNA control region and genotyped 111 individuals of South American sea lion for 10 microsatellite loci, representing six populations (Peru, Northern Chile, Southern Chile, Uruguay (Brazil), Argentina and Falkland (Malvinas) Islands) and covering the entire distribution of the species. The mtDNA phylogeny shows that haplotypes from the two oceans comprise two very divergent clades as observed in previous studies, suggesting a long period (>1 million years) of low inter-oceanic female gene flow. Bayesian analysis of bi-parental genetic diversity supports significant (but less pronounced than mitochondrial) genetic structure between Pacific and Atlantic populations, although also suggested some inter-oceanic gene flow mediated by males. Higher male migration rates were found in the intra-oceanic population comparisons, supporting very high female philopatry in the species. Demographic analyses showed that populations from both oceans went through a large population expansion ~10,000 years ago, suggesting a very similar influence of historical environmental factors, such as the last glacial cycle, on both regions. Our results support the proposition that the Pacific and Atlantic populations of the South American sea lion should be considered distinct evolutionarily significant units, with at least two managements units in each ocean.
Fil: Rosa de Oliveira, Larissa. Universidade do Vale do Rio dos Sinos; Brasil. Grupo de Estudos de Mamíferos Aquáticos do Rio Grande do Sul; Brasil
Fil: Gehara, Marcelo C. M.. American Museum Of Natural History; Estados Unidos. Pontificia Universidade Católica do Rio Grande do Sul; Brasil
Fil: Fraga, Lúcia D.. Universidade do Vale do Rio dos Sinos; Brasil. Pontificia Universidade Católica do Rio Grande do Sul; Brasil
Fil: Lopes, Fernando. Universidade do Vale do Rio dos Sinos; Brasil. Pontificia Universidade Católica do Rio Grande do Sul; Brasil
Fil: Tunez, Juan Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Luján; Argentina
Fil: Cassini, Marcelo Hernan. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; Argentina. Universidad Nacional de Luján; Argentina
Fil: Majluf, Patricia. Universidad Peruana Cayetano Heredia; Perú
Fil: Cárdenas Alayza, Susana. Universidad Peruana Cayetano Heredia; Perú
Fil: Pavés, Héctor J.. Universidad Santo Tomas; Chile
Fil: Crespo, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
Fil: Garcia, Nestor Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
Fil: Loizaga de Castro, Rocio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
Fil: Hoelzel, A. Rus. University Of Durham; Reino Unido
Fil: Sepúlveda, Maritza. Facultad de Ciencias, Universidad de Valparaíso; Chile. Millenium Nucleus of Invasive Salmonids; Chile
Fil: Olavarría, Carlos. Centro de Estudios Avanzados en Zonas Aridas; Chile
Fil: Valiati, Victor Hugo. Universidade do Vale do Rio dos Sinos; Brasil
Fil: Quiñones, Renato. Universidad de Concepción; Chile
Fil: Pérez Alvarez, Maria Jose. Universidad de Chile; Chile
Fil: Ott, Paulo Henrique. Grupo de Estudos de Mamíferos Aquáticos do Rio Grande do Sul; Brasil. Universidade Estadual do Rio Grande do Sul; Brasil
Fil: Bonatto, Sandro Luis. Pontificia Universidade Católica do Rio Grande do Sul; Brasil
description The South American sea lion (Otaria flavescens) is widely distributed along the southern Atlantic and Pacific coasts of South America with a history of significant commercial exploitation. We aimed to evaluate the population genetic structure and the evolutionary history of South American sea lion along its distribution by analyses of mitochondrial DNA (mtDNA) and 10 nuclear microsatellites loci. We analyzed 147 sequences of mtDNA control region and genotyped 111 individuals of South American sea lion for 10 microsatellite loci, representing six populations (Peru, Northern Chile, Southern Chile, Uruguay (Brazil), Argentina and Falkland (Malvinas) Islands) and covering the entire distribution of the species. The mtDNA phylogeny shows that haplotypes from the two oceans comprise two very divergent clades as observed in previous studies, suggesting a long period (>1 million years) of low inter-oceanic female gene flow. Bayesian analysis of bi-parental genetic diversity supports significant (but less pronounced than mitochondrial) genetic structure between Pacific and Atlantic populations, although also suggested some inter-oceanic gene flow mediated by males. Higher male migration rates were found in the intra-oceanic population comparisons, supporting very high female philopatry in the species. Demographic analyses showed that populations from both oceans went through a large population expansion ~10,000 years ago, suggesting a very similar influence of historical environmental factors, such as the last glacial cycle, on both regions. Our results support the proposition that the Pacific and Atlantic populations of the South American sea lion should be considered distinct evolutionarily significant units, with at least two managements units in each ocean.
publishDate 2017
dc.date.none.fl_str_mv 2017-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/44478
Rosa de Oliveira, Larissa; Gehara, Marcelo C. M.; Fraga, Lúcia D.; Lopes, Fernando; Tunez, Juan Ignacio; et al.; Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens); Public Library of Science; Plos One; 12; 6; 6-2017; e0179442
1932-6203
CONICET Digital
CONICET
url http://hdl.handle.net/11336/44478
identifier_str_mv Rosa de Oliveira, Larissa; Gehara, Marcelo C. M.; Fraga, Lúcia D.; Lopes, Fernando; Tunez, Juan Ignacio; et al.; Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens); Public Library of Science; Plos One; 12; 6; 6-2017; e0179442
1932-6203
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
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https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
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