Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae)
- Autores
- Las Peñas, Maria Laura; Oakley, L.; Moreno, Natalia Cecilia; Bernardello, Gabriel Luis Mario
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Opuntia series Armatae is evaluated considering morphological (vegetative, floral and carpological) and cytogenetical (diploid number, presence of heterochromatin and physical localization of ribosomal genes) features to shed light on their systematics and evolution. Three complexes (named O. elata, O. megapotamica and O. monacantha) are proposed to accommodate seven species according to the tepal, fruit, stigma and seed aril traits. Additional systematic conclusions include: 1. O. stenarthra, O. assumptionis, O. cognata and O. subsphaerocarpa are synonyms; 2. O. elata is a variable species with two varieties: var. cardiosperma and var. obovata; 3. O. rioplatense is a synonym of O. elata var. obovata and 4. O. megapotamica is a polymorphic species with two varieties (one newly described and a new combination). All species had small similar-sized symmetrical chromosomes and were tetraploid (2n=44), except for a population of O. arechavaletae and O. monacantha (2n=22). All showed one or two pairs with CMA+/DAPI?NOR associated bands. The 18-5.8-26S rDNA loci seem to coincide with CMA+/DAPI-/NORs blocks. The number of 5S signals detected was proportional to the ploidy level of the species. A combination of cytogenetic and morphological features helped to differentiate the complexes, species, and varieties of Opuntia ser. Armatae.
Fil: Las Peñas, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Oakley, L.. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina
Fil: Moreno, Natalia Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Bernardello, Gabriel Luis Mario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina - Materia
-
Cactaceae
Citogenetica
Sistematica
Evolucion - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/20280
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Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae)Las Peñas, Maria LauraOakley, L.Moreno, Natalia CeciliaBernardello, Gabriel Luis MarioCactaceaeCitogeneticaSistematicaEvolucionhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Opuntia series Armatae is evaluated considering morphological (vegetative, floral and carpological) and cytogenetical (diploid number, presence of heterochromatin and physical localization of ribosomal genes) features to shed light on their systematics and evolution. Three complexes (named O. elata, O. megapotamica and O. monacantha) are proposed to accommodate seven species according to the tepal, fruit, stigma and seed aril traits. Additional systematic conclusions include: 1. O. stenarthra, O. assumptionis, O. cognata and O. subsphaerocarpa are synonyms; 2. O. elata is a variable species with two varieties: var. cardiosperma and var. obovata; 3. O. rioplatense is a synonym of O. elata var. obovata and 4. O. megapotamica is a polymorphic species with two varieties (one newly described and a new combination). All species had small similar-sized symmetrical chromosomes and were tetraploid (2n=44), except for a population of O. arechavaletae and O. monacantha (2n=22). All showed one or two pairs with CMA+/DAPI?NOR associated bands. The 18-5.8-26S rDNA loci seem to coincide with CMA+/DAPI-/NORs blocks. The number of 5S signals detected was proportional to the ploidy level of the species. A combination of cytogenetic and morphological features helped to differentiate the complexes, species, and varieties of Opuntia ser. Armatae.Fil: Las Peñas, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Oakley, L.. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; ArgentinaFil: Moreno, Natalia Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Bernardello, Gabriel Luis Mario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaNatl Research Council Canada-n R C Research Press2017-02-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/20280Las Peñas, Maria Laura; Oakley, L.; Moreno, Natalia Cecilia; Bernardello, Gabriel Luis Mario; Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae); Natl Research Council Canada-n R C Research Press; Botany; 95; 2; 3-2-2017; 101-1201916-27901916-2804CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.nrcresearchpress.com/doi/10.1139/cjb-2016-0048#.WWaIPPk1-JAinfo:eu-repo/semantics/altIdentifier/doi/10.1139/cjb-2016-0048info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:38:33Zoai:ri.conicet.gov.ar:11336/20280instacron: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:34982025-09-29 09:38:33.717CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae) |
title |
Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae) |
spellingShingle |
Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae) Las Peñas, Maria Laura Cactaceae Citogenetica Sistematica Evolucion |
title_short |
Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae) |
title_full |
Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae) |
title_fullStr |
Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae) |
title_full_unstemmed |
Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae) |
title_sort |
Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae) |
dc.creator.none.fl_str_mv |
Las Peñas, Maria Laura Oakley, L. Moreno, Natalia Cecilia Bernardello, Gabriel Luis Mario |
author |
Las Peñas, Maria Laura |
author_facet |
Las Peñas, Maria Laura Oakley, L. Moreno, Natalia Cecilia Bernardello, Gabriel Luis Mario |
author_role |
author |
author2 |
Oakley, L. Moreno, Natalia Cecilia Bernardello, Gabriel Luis Mario |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
Cactaceae Citogenetica Sistematica Evolucion |
topic |
Cactaceae Citogenetica Sistematica Evolucion |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Opuntia series Armatae is evaluated considering morphological (vegetative, floral and carpological) and cytogenetical (diploid number, presence of heterochromatin and physical localization of ribosomal genes) features to shed light on their systematics and evolution. Three complexes (named O. elata, O. megapotamica and O. monacantha) are proposed to accommodate seven species according to the tepal, fruit, stigma and seed aril traits. Additional systematic conclusions include: 1. O. stenarthra, O. assumptionis, O. cognata and O. subsphaerocarpa are synonyms; 2. O. elata is a variable species with two varieties: var. cardiosperma and var. obovata; 3. O. rioplatense is a synonym of O. elata var. obovata and 4. O. megapotamica is a polymorphic species with two varieties (one newly described and a new combination). All species had small similar-sized symmetrical chromosomes and were tetraploid (2n=44), except for a population of O. arechavaletae and O. monacantha (2n=22). All showed one or two pairs with CMA+/DAPI?NOR associated bands. The 18-5.8-26S rDNA loci seem to coincide with CMA+/DAPI-/NORs blocks. The number of 5S signals detected was proportional to the ploidy level of the species. A combination of cytogenetic and morphological features helped to differentiate the complexes, species, and varieties of Opuntia ser. Armatae. Fil: Las Peñas, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Oakley, L.. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina Fil: Moreno, Natalia Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Bernardello, Gabriel Luis Mario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina |
description |
Opuntia series Armatae is evaluated considering morphological (vegetative, floral and carpological) and cytogenetical (diploid number, presence of heterochromatin and physical localization of ribosomal genes) features to shed light on their systematics and evolution. Three complexes (named O. elata, O. megapotamica and O. monacantha) are proposed to accommodate seven species according to the tepal, fruit, stigma and seed aril traits. Additional systematic conclusions include: 1. O. stenarthra, O. assumptionis, O. cognata and O. subsphaerocarpa are synonyms; 2. O. elata is a variable species with two varieties: var. cardiosperma and var. obovata; 3. O. rioplatense is a synonym of O. elata var. obovata and 4. O. megapotamica is a polymorphic species with two varieties (one newly described and a new combination). All species had small similar-sized symmetrical chromosomes and were tetraploid (2n=44), except for a population of O. arechavaletae and O. monacantha (2n=22). All showed one or two pairs with CMA+/DAPI?NOR associated bands. The 18-5.8-26S rDNA loci seem to coincide with CMA+/DAPI-/NORs blocks. The number of 5S signals detected was proportional to the ploidy level of the species. A combination of cytogenetic and morphological features helped to differentiate the complexes, species, and varieties of Opuntia ser. Armatae. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-02-03 |
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/11336/20280 Las Peñas, Maria Laura; Oakley, L.; Moreno, Natalia Cecilia; Bernardello, Gabriel Luis Mario; Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae); Natl Research Council Canada-n R C Research Press; Botany; 95; 2; 3-2-2017; 101-120 1916-2790 1916-2804 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/20280 |
identifier_str_mv |
Las Peñas, Maria Laura; Oakley, L.; Moreno, Natalia Cecilia; Bernardello, Gabriel Luis Mario; Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae); Natl Research Council Canada-n R C Research Press; Botany; 95; 2; 3-2-2017; 101-120 1916-2790 1916-2804 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://www.nrcresearchpress.com/doi/10.1139/cjb-2016-0048#.WWaIPPk1-JA info:eu-repo/semantics/altIdentifier/doi/10.1139/cjb-2016-0048 |
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 |
dc.publisher.none.fl_str_mv |
Natl Research Council Canada-n R C Research Press |
publisher.none.fl_str_mv |
Natl Research Council Canada-n R C Research Press |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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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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1844613219118743552 |
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13.070432 |