Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)

Autores
Barrandeguy, María Eugenia; García, María Victoria; Prinz, Kathleen; Rivera Pomar, Rolando Víctor; Finkeldey, Reiner
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Anadenanthera colubrina var. cebil is a native South American tree species inhabiting seasonally dry tropical forests (SDTFs). Its current disjunct distribution presumably represents fragments of a historical much larger area of this forest type, which has also been highly impacted by human activities. In this way the hypothesis of this study is that the natural populations of A. colubrina var. cebil from Northern Argentina represent vestiges of ancient fragmentation, but they are additionally influenced by a certain degree of gene flow among them. We aimed to analyze the genetic structure of both nuclear and chloroplast DNA to evaluate the relative role of ancient and recent fragmentation on intraspecific diversity patterns. Sixty-nine individuals of four natural populations were analyzed using eight nuclear microsatellites (ncSSR) and four chloroplast microsatellite loci (cpSSR). The level and distribution of genetic variation were estimated by standard population genetic parameters and Neighbor Joining as well as Bayesian analyses. The eight ncSSR loci were highly polymorphic, while genetic diversity of cpSSRs was low. Nuclear SSRs displayed lower genetic differentiation among populations than cpSSR haplotypes (FST 0.11 and 0.95, respectively). However, high differentiation between phytogeographic provinces was observed in both genomes. The high genetic differentiation detected emphasizes the role of ancient fragmentation. However, the Paranaense province also shows the effects of recent fragmentation on genetic structure, whereas gene flow by pollen preserves the effects of genetic drift in the Yungas province.
Centro Regional de Estudios Genómicos
Materia
Ciencias Exactas
Botánica
Curupay
Chloroplast haplotypes
Genetic structure
Microsatellites
Seasonally dry tropical forests (SDTFs)
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/136529
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/136529
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)Barrandeguy, María EugeniaGarcía, María VictoriaPrinz, KathleenRivera Pomar, Rolando VíctorFinkeldey, ReinerCiencias ExactasBotánicaCurupayChloroplast haplotypesGenetic structureMicrosatellitesSeasonally dry tropical forests (SDTFs)<i>Anadenanthera colubrina</i> var. <i>cebil</i> is a native South American tree species inhabiting seasonally dry tropical forests (SDTFs). Its current disjunct distribution presumably represents fragments of a historical much larger area of this forest type, which has also been highly impacted by human activities. In this way the hypothesis of this study is that the natural populations of <i>A. colubrina</i> var. <i>cebil</i> from Northern Argentina represent vestiges of ancient fragmentation, but they are additionally influenced by a certain degree of gene flow among them. We aimed to analyze the genetic structure of both nuclear and chloroplast DNA to evaluate the relative role of ancient and recent fragmentation on intraspecific diversity patterns. Sixty-nine individuals of four natural populations were analyzed using eight nuclear microsatellites (ncSSR) and four chloroplast microsatellite loci (cpSSR). The level and distribution of genetic variation were estimated by standard population genetic parameters and Neighbor Joining as well as Bayesian analyses. The eight ncSSR loci were highly polymorphic, while genetic diversity of cpSSRs was low. Nuclear SSRs displayed lower genetic differentiation among populations than cpSSR haplotypes (F<sub>ST</sub> 0.11 and 0.95, respectively). However, high differentiation between phytogeographic provinces was observed in both genomes. The high genetic differentiation detected emphasizes the role of ancient fragmentation. However, the Paranaense province also shows the effects of recent fragmentation on genetic structure, whereas gene flow by pollen preserves the effects of genetic drift in the Yungas province.Centro Regional de Estudios Genómicos2014-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf1693-1705http://sedici.unlp.edu.ar/handle/10915/136529enginfo:eu-repo/semantics/altIdentifier/issn/0378-2697info:eu-repo/semantics/altIdentifier/issn/1615-6110info:eu-repo/semantics/altIdentifier/doi/10.1007/s00606-014-0995-yinfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T17:12:56Zoai:sedici.unlp.edu.ar:10915/136529Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 17:12:56.565SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)
title Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)
spellingShingle Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)
Barrandeguy, María Eugenia
Ciencias Exactas
Botánica
Curupay
Chloroplast haplotypes
Genetic structure
Microsatellites
Seasonally dry tropical forests (SDTFs)
title_short Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)
title_full Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)
title_fullStr Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)
title_full_unstemmed Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)
title_sort Genetic structure of disjunct Argentinean populations of the subtropical tree <i>Anadenanthera colubrina</i> var. <i>cebil</i> (Fabaceae)
dc.creator.none.fl_str_mv Barrandeguy, María Eugenia
García, María Victoria
Prinz, Kathleen
Rivera Pomar, Rolando Víctor
Finkeldey, Reiner
author Barrandeguy, María Eugenia
author_facet Barrandeguy, María Eugenia
García, María Victoria
Prinz, Kathleen
Rivera Pomar, Rolando Víctor
Finkeldey, Reiner
author_role author
author2 García, María Victoria
Prinz, Kathleen
Rivera Pomar, Rolando Víctor
Finkeldey, Reiner
author2_role author
author
author
author
dc.subject.none.fl_str_mv Ciencias Exactas
Botánica
Curupay
Chloroplast haplotypes
Genetic structure
Microsatellites
Seasonally dry tropical forests (SDTFs)
topic Ciencias Exactas
Botánica
Curupay
Chloroplast haplotypes
Genetic structure
Microsatellites
Seasonally dry tropical forests (SDTFs)
dc.description.none.fl_txt_mv <i>Anadenanthera colubrina</i> var. <i>cebil</i> is a native South American tree species inhabiting seasonally dry tropical forests (SDTFs). Its current disjunct distribution presumably represents fragments of a historical much larger area of this forest type, which has also been highly impacted by human activities. In this way the hypothesis of this study is that the natural populations of <i>A. colubrina</i> var. <i>cebil</i> from Northern Argentina represent vestiges of ancient fragmentation, but they are additionally influenced by a certain degree of gene flow among them. We aimed to analyze the genetic structure of both nuclear and chloroplast DNA to evaluate the relative role of ancient and recent fragmentation on intraspecific diversity patterns. Sixty-nine individuals of four natural populations were analyzed using eight nuclear microsatellites (ncSSR) and four chloroplast microsatellite loci (cpSSR). The level and distribution of genetic variation were estimated by standard population genetic parameters and Neighbor Joining as well as Bayesian analyses. The eight ncSSR loci were highly polymorphic, while genetic diversity of cpSSRs was low. Nuclear SSRs displayed lower genetic differentiation among populations than cpSSR haplotypes (F<sub>ST</sub> 0.11 and 0.95, respectively). However, high differentiation between phytogeographic provinces was observed in both genomes. The high genetic differentiation detected emphasizes the role of ancient fragmentation. However, the Paranaense province also shows the effects of recent fragmentation on genetic structure, whereas gene flow by pollen preserves the effects of genetic drift in the Yungas province.
Centro Regional de Estudios Genómicos
description <i>Anadenanthera colubrina</i> var. <i>cebil</i> is a native South American tree species inhabiting seasonally dry tropical forests (SDTFs). Its current disjunct distribution presumably represents fragments of a historical much larger area of this forest type, which has also been highly impacted by human activities. In this way the hypothesis of this study is that the natural populations of <i>A. colubrina</i> var. <i>cebil</i> from Northern Argentina represent vestiges of ancient fragmentation, but they are additionally influenced by a certain degree of gene flow among them. We aimed to analyze the genetic structure of both nuclear and chloroplast DNA to evaluate the relative role of ancient and recent fragmentation on intraspecific diversity patterns. Sixty-nine individuals of four natural populations were analyzed using eight nuclear microsatellites (ncSSR) and four chloroplast microsatellite loci (cpSSR). The level and distribution of genetic variation were estimated by standard population genetic parameters and Neighbor Joining as well as Bayesian analyses. The eight ncSSR loci were highly polymorphic, while genetic diversity of cpSSRs was low. Nuclear SSRs displayed lower genetic differentiation among populations than cpSSR haplotypes (F<sub>ST</sub> 0.11 and 0.95, respectively). However, high differentiation between phytogeographic provinces was observed in both genomes. The high genetic differentiation detected emphasizes the role of ancient fragmentation. However, the Paranaense province also shows the effects of recent fragmentation on genetic structure, whereas gene flow by pollen preserves the effects of genetic drift in the Yungas province.
publishDate 2014
dc.date.none.fl_str_mv 2014-08
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/136529
url http://sedici.unlp.edu.ar/handle/10915/136529
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0378-2697
info:eu-repo/semantics/altIdentifier/issn/1615-6110
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00606-014-0995-y
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
dc.format.none.fl_str_mv application/pdf
1693-1705
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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