Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy

Autores
Calviño, Carolina Isabel; Fernández, Martina; Ezcurra, Cecilia
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Tweedia is a genus traditionally regarded as composed of seven species distributed on both sides of the Andes in southern South America. Recent molecular analyses of two of its species have shown that they are found in different lineages within the MOOG clade of Apocynaceae- Asclepiadoideae, which questions its monophyly and generic affinities. Whereas Tweedia australis falls within the Diplolepis clade of MOOG, Tweedia brunonis appears within the tribe Oxypetalinae. This work provides a molecular phylogeny of all species of Tweedia including its type, Tweedia birostrata, to test the monophyly of the group and assess its relationships with Diplolepis and other genera of the MOOG clade. Phylogenetic analyses of cpDNA trnT-trnF and rps16 regions of 68 accessions of Apocynaceae using maximum parsimony, maximum likelyhood, and Bayesian inference methods show that Tweedia species form a well-supported monophyletic group that is morphologically distinct, allied to Araujia and Philibertia of the Oxypetalinae. The study also supports the recent transfer of the former Tweedia australis to Diplolepis as Diplolepis australis. Within Tweedia, two clades divided by the Andes can be recognized, one from the west (central Chile) and one from the east (western Argentina). The geographical and environmental characteristics of the genus and of these two groups are discussed in an evolutionary context.
Fil: Calviño, Carolina Isabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; Argentina
Fil: Fernández, Martina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; Argentina
Fil: Ezcurra, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; Argentina
Materia
Asclepiadoideae Moog Clade
Oxypetalinae
Phylogeny
Southern Andes
Rps16
Trnt-Trnf
Tweedia
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:11336/12062
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/12062
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network_name_str CONICET Digital (CONICET)
spelling Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomyCalviño, Carolina IsabelFernández, MartinaEzcurra, CeciliaAsclepiadoideae Moog CladeOxypetalinaePhylogenySouthern AndesRps16Trnt-TrnfTweediahttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Tweedia is a genus traditionally regarded as composed of seven species distributed on both sides of the Andes in southern South America. Recent molecular analyses of two of its species have shown that they are found in different lineages within the MOOG clade of Apocynaceae- Asclepiadoideae, which questions its monophyly and generic affinities. Whereas Tweedia australis falls within the Diplolepis clade of MOOG, Tweedia brunonis appears within the tribe Oxypetalinae. This work provides a molecular phylogeny of all species of Tweedia including its type, Tweedia birostrata, to test the monophyly of the group and assess its relationships with Diplolepis and other genera of the MOOG clade. Phylogenetic analyses of cpDNA trnT-trnF and rps16 regions of 68 accessions of Apocynaceae using maximum parsimony, maximum likelyhood, and Bayesian inference methods show that Tweedia species form a well-supported monophyletic group that is morphologically distinct, allied to Araujia and Philibertia of the Oxypetalinae. The study also supports the recent transfer of the former Tweedia australis to Diplolepis as Diplolepis australis. Within Tweedia, two clades divided by the Andes can be recognized, one from the west (central Chile) and one from the east (western Argentina). The geographical and environmental characteristics of the genus and of these two groups are discussed in an evolutionary context.Fil: Calviño, Carolina Isabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; ArgentinaFil: Fernández, Martina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; ArgentinaFil: Ezcurra, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; ArgentinaInternational Association For Plant Taxonomy2014-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/12062Calviño, Carolina Isabel; Fernández, Martina; Ezcurra, Cecilia; Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy; International Association For Plant Taxonomy; Taxon; 63; 6; 12-2014; 1265-12740040-0262enginfo:eu-repo/semantics/altIdentifier/url/http://www.ingentaconnect.com/content/iapt/tax/2014/00000063/00000006/art00007info:eu-repo/semantics/altIdentifier/doi/10.12705/636.35info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:46:30Zoai:ri.conicet.gov.ar:11336/12062instacron: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 09:46:30.814CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy
title Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy
spellingShingle Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy
Calviño, Carolina Isabel
Asclepiadoideae Moog Clade
Oxypetalinae
Phylogeny
Southern Andes
Rps16
Trnt-Trnf
Tweedia
title_short Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy
title_full Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy
title_fullStr Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy
title_full_unstemmed Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy
title_sort Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy
dc.creator.none.fl_str_mv Calviño, Carolina Isabel
Fernández, Martina
Ezcurra, Cecilia
author Calviño, Carolina Isabel
author_facet Calviño, Carolina Isabel
Fernández, Martina
Ezcurra, Cecilia
author_role author
author2 Fernández, Martina
Ezcurra, Cecilia
author2_role author
author
dc.subject.none.fl_str_mv Asclepiadoideae Moog Clade
Oxypetalinae
Phylogeny
Southern Andes
Rps16
Trnt-Trnf
Tweedia
topic Asclepiadoideae Moog Clade
Oxypetalinae
Phylogeny
Southern Andes
Rps16
Trnt-Trnf
Tweedia
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Tweedia is a genus traditionally regarded as composed of seven species distributed on both sides of the Andes in southern South America. Recent molecular analyses of two of its species have shown that they are found in different lineages within the MOOG clade of Apocynaceae- Asclepiadoideae, which questions its monophyly and generic affinities. Whereas Tweedia australis falls within the Diplolepis clade of MOOG, Tweedia brunonis appears within the tribe Oxypetalinae. This work provides a molecular phylogeny of all species of Tweedia including its type, Tweedia birostrata, to test the monophyly of the group and assess its relationships with Diplolepis and other genera of the MOOG clade. Phylogenetic analyses of cpDNA trnT-trnF and rps16 regions of 68 accessions of Apocynaceae using maximum parsimony, maximum likelyhood, and Bayesian inference methods show that Tweedia species form a well-supported monophyletic group that is morphologically distinct, allied to Araujia and Philibertia of the Oxypetalinae. The study also supports the recent transfer of the former Tweedia australis to Diplolepis as Diplolepis australis. Within Tweedia, two clades divided by the Andes can be recognized, one from the west (central Chile) and one from the east (western Argentina). The geographical and environmental characteristics of the genus and of these two groups are discussed in an evolutionary context.
Fil: Calviño, Carolina Isabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; Argentina
Fil: Fernández, Martina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; Argentina
Fil: Ezcurra, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; Argentina
description Tweedia is a genus traditionally regarded as composed of seven species distributed on both sides of the Andes in southern South America. Recent molecular analyses of two of its species have shown that they are found in different lineages within the MOOG clade of Apocynaceae- Asclepiadoideae, which questions its monophyly and generic affinities. Whereas Tweedia australis falls within the Diplolepis clade of MOOG, Tweedia brunonis appears within the tribe Oxypetalinae. This work provides a molecular phylogeny of all species of Tweedia including its type, Tweedia birostrata, to test the monophyly of the group and assess its relationships with Diplolepis and other genera of the MOOG clade. Phylogenetic analyses of cpDNA trnT-trnF and rps16 regions of 68 accessions of Apocynaceae using maximum parsimony, maximum likelyhood, and Bayesian inference methods show that Tweedia species form a well-supported monophyletic group that is morphologically distinct, allied to Araujia and Philibertia of the Oxypetalinae. The study also supports the recent transfer of the former Tweedia australis to Diplolepis as Diplolepis australis. Within Tweedia, two clades divided by the Andes can be recognized, one from the west (central Chile) and one from the east (western Argentina). The geographical and environmental characteristics of the genus and of these two groups are discussed in an evolutionary context.
publishDate 2014
dc.date.none.fl_str_mv 2014-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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://hdl.handle.net/11336/12062
Calviño, Carolina Isabel; Fernández, Martina; Ezcurra, Cecilia; Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy; International Association For Plant Taxonomy; Taxon; 63; 6; 12-2014; 1265-1274
0040-0262
url http://hdl.handle.net/11336/12062
identifier_str_mv Calviño, Carolina Isabel; Fernández, Martina; Ezcurra, Cecilia; Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy; International Association For Plant Taxonomy; Taxon; 63; 6; 12-2014; 1265-1274
0040-0262
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.ingentaconnect.com/content/iapt/tax/2014/00000063/00000006/art00007
info:eu-repo/semantics/altIdentifier/doi/10.12705/636.35
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv International Association For Plant Taxonomy
publisher.none.fl_str_mv International Association For Plant Taxonomy
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.13397

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