Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy

Autores
Judkevich, Marina Daniela; Salas, Roberto Manuel; González, Ana María
Año de publicación
2022
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We conducted anatomical analysis of anthers with the aim to establish the differences in the development pattern of microsporophytes and microgametophytes between perfect and imperfect flowers in the tribe Gardenieae (Rubiaceae). The species studied were: Tocoyena formosa (monoecious with perfect flowers), Cordiera concolor, Genipa americana, Randia calycina, and Randia sp. (dioecious with imperfect flowers). Flowers in successive stages of development were collected and fixed. The material was processed and examined using light microscopy and scanning electron microscopy. The present study revealed the stage when pollen is arrested in the functionally pistillate flowers of the dioecious taxa. Based on these observations an evolutionary sequence of changes towards the reduction of non-functional anthers in Rubiaceae is proposed. In addition, we describe and discuss characters that might be of importance in future phylogenetic studies in Rubiaceae (e.g. pollen morphology and its dispersal unit, the presence of orbicules, and a new type of placentoid).
Fil: Judkevich, Marina Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
Fil: Salas, Roberto Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
Fil: González, Ana María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
Materia
ARRESTED DEVELOPMENT
PERMANENT TETRADS
PLACENTOID
RUBIACEAE
SECONDARY POLLEN PRESENTATION
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:11336/216972
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecyJudkevich, Marina DanielaSalas, Roberto ManuelGonzález, Ana MaríaARRESTED DEVELOPMENTPERMANENT TETRADSPLACENTOIDRUBIACEAESECONDARY POLLEN PRESENTATIONhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1We conducted anatomical analysis of anthers with the aim to establish the differences in the development pattern of microsporophytes and microgametophytes between perfect and imperfect flowers in the tribe Gardenieae (Rubiaceae). The species studied were: Tocoyena formosa (monoecious with perfect flowers), Cordiera concolor, Genipa americana, Randia calycina, and Randia sp. (dioecious with imperfect flowers). Flowers in successive stages of development were collected and fixed. The material was processed and examined using light microscopy and scanning electron microscopy. The present study revealed the stage when pollen is arrested in the functionally pistillate flowers of the dioecious taxa. Based on these observations an evolutionary sequence of changes towards the reduction of non-functional anthers in Rubiaceae is proposed. In addition, we describe and discuss characters that might be of importance in future phylogenetic studies in Rubiaceae (e.g. pollen morphology and its dispersal unit, the presence of orbicules, and a new type of placentoid).Fil: Judkevich, Marina Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; ArgentinaFil: Salas, Roberto Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; ArgentinaFil: González, Ana María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; ArgentinaAcademia Brasileira de Ciencias2022-10info: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/11336/216972Judkevich, Marina Daniela; Salas, Roberto Manuel; González, Ana María; Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy; Academia Brasileira de Ciencias; Anais da Academia Brasileira de Ciencias; 93; 4; 10-2022; 1-240001-37651678-2690CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.scielo.br/j/aabc/a/DRPzv5w3SLN7PK3g4kpbK4b/?lang=eninfo:eu-repo/semantics/altIdentifier/doi/10.1590/0001-3765202220191362info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:18:39Zoai:ri.conicet.gov.ar:11336/216972instacron: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:34982025-10-22 11:18:39.962CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy
title Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy
spellingShingle Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy
Judkevich, Marina Daniela
ARRESTED DEVELOPMENT
PERMANENT TETRADS
PLACENTOID
RUBIACEAE
SECONDARY POLLEN PRESENTATION
title_short Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy
title_full Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy
title_fullStr Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy
title_full_unstemmed Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy
title_sort Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy
dc.creator.none.fl_str_mv Judkevich, Marina Daniela
Salas, Roberto Manuel
González, Ana María
author Judkevich, Marina Daniela
author_facet Judkevich, Marina Daniela
Salas, Roberto Manuel
González, Ana María
author_role author
author2 Salas, Roberto Manuel
González, Ana María
author2_role author
author
dc.subject.none.fl_str_mv ARRESTED DEVELOPMENT
PERMANENT TETRADS
PLACENTOID
RUBIACEAE
SECONDARY POLLEN PRESENTATION
topic ARRESTED DEVELOPMENT
PERMANENT TETRADS
PLACENTOID
RUBIACEAE
SECONDARY POLLEN PRESENTATION
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We conducted anatomical analysis of anthers with the aim to establish the differences in the development pattern of microsporophytes and microgametophytes between perfect and imperfect flowers in the tribe Gardenieae (Rubiaceae). The species studied were: Tocoyena formosa (monoecious with perfect flowers), Cordiera concolor, Genipa americana, Randia calycina, and Randia sp. (dioecious with imperfect flowers). Flowers in successive stages of development were collected and fixed. The material was processed and examined using light microscopy and scanning electron microscopy. The present study revealed the stage when pollen is arrested in the functionally pistillate flowers of the dioecious taxa. Based on these observations an evolutionary sequence of changes towards the reduction of non-functional anthers in Rubiaceae is proposed. In addition, we describe and discuss characters that might be of importance in future phylogenetic studies in Rubiaceae (e.g. pollen morphology and its dispersal unit, the presence of orbicules, and a new type of placentoid).
Fil: Judkevich, Marina Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
Fil: Salas, Roberto Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
Fil: González, Ana María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
description We conducted anatomical analysis of anthers with the aim to establish the differences in the development pattern of microsporophytes and microgametophytes between perfect and imperfect flowers in the tribe Gardenieae (Rubiaceae). The species studied were: Tocoyena formosa (monoecious with perfect flowers), Cordiera concolor, Genipa americana, Randia calycina, and Randia sp. (dioecious with imperfect flowers). Flowers in successive stages of development were collected and fixed. The material was processed and examined using light microscopy and scanning electron microscopy. The present study revealed the stage when pollen is arrested in the functionally pistillate flowers of the dioecious taxa. Based on these observations an evolutionary sequence of changes towards the reduction of non-functional anthers in Rubiaceae is proposed. In addition, we describe and discuss characters that might be of importance in future phylogenetic studies in Rubiaceae (e.g. pollen morphology and its dispersal unit, the presence of orbicules, and a new type of placentoid).
publishDate 2022
dc.date.none.fl_str_mv 2022-10
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/11336/216972
Judkevich, Marina Daniela; Salas, Roberto Manuel; González, Ana María; Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy; Academia Brasileira de Ciencias; Anais da Academia Brasileira de Ciencias; 93; 4; 10-2022; 1-24
0001-3765
1678-2690
CONICET Digital
CONICET
url http://hdl.handle.net/11336/216972
identifier_str_mv Judkevich, Marina Daniela; Salas, Roberto Manuel; González, Ana María; Anther structure and pollen development in species of Rubiaceae and anatomical evidence of pathway to morphological dioecy; Academia Brasileira de Ciencias; Anais da Academia Brasileira de Ciencias; 93; 4; 10-2022; 1-24
0001-3765
1678-2690
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
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info:eu-repo/semantics/altIdentifier/doi/10.1590/0001-3765202220191362
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 Academia Brasileira de Ciencias
publisher.none.fl_str_mv Academia Brasileira de Ciencias
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 12.982451

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