Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities

To elucidate the factors which control the flower phenotypic plasticity of Catasetum fimbriatum, studies focusing the floral development of the species were performed. The treatments were: high light intensity (1613 μmol.m-2.s-1); low light intensity (454 μmol.m-2.s-1) and mean light intensity (827...

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Detalhes bibliográficos
Autores: Pedroso-de-Moraes, Cristiano, de Souza-Leal, Thiago, Saoncella, Alinne L., de Almeida, Marcílio
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2016
País:Costa Rica
Recursos:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Idioma:español
OAI Identifier:oai:portal.ucr.ac.cr:article/23746
Acesso em linha:https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/23746
Access Level:acceso abierto
Palavra-chave:Orchid
sexual expression
anatomy
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spelling Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensitiesFloral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensitiesPedroso-de-Moraes, Cristianode Souza-Leal, ThiagoSaoncella, Alinne L.de Almeida, MarcílioOrchidsexual expressionanatomyOrchidsexual expressionanatomy To elucidate the factors which control the flower phenotypic plasticity of Catasetum fimbriatum, studies focusing the floral development of the species were performed. The treatments were: high light intensity (1613 μmol.m-2.s-1); low light intensity (454 μmol.m-2.s-1) and mean light intensity (827 μmol.m-2.s-1). The floral morphology and anatomy were analyzed to evaluate of the sequence of tissue development involved in the sexual differentiation. We found the presence of cell cluster with meristematic features in the ovaries and gynostemium of the male and female diclinous flowers. These are responsible for the definition of the sexual expression of the species, in the dependence of the environmental stimulus, related to the endogenous concentration of ethylene, allowing, consequently, the dedifferentiation and re-differentiation of those clusters in the sexual determination of the flowers. There were no anatomical differences in floral tissues in different treatments.  To elucidate the factors which control the flower phenotypic plasticity of Catasetum fimbriatum, studies focusing the floral development of the species were performed. The treatments were: high light intensity (1613 μmol.m-2.s-1); low light intensity (454 μmol.m-2.s-1) and mean light intensity (827 μmol.m-2.s-1). The floral morphology and anatomy were analyzed to evaluate of the sequence of tissue development involved in the sexual differentiation. We found the presence of cell cluster with meristematic features in the ovaries and gynostemium of the male and female diclinous flowers. These are responsible for the definition of the sexual expression of the species, in the dependence of the environmental stimulus, related to the endogenous concentration of ethylene, allowing, consequently, the dedifferentiation and re-differentiation of those clusters in the sexual determination of the flowers. There were no anatomical differences in floral tissues in different treatments.  Universidad de Costa Rica2016-04-13info:eu-repo/semantics/publishedVersionArticleartículo originalhttp://purl.org/coar/resource_type/c_2df8fbb1info:eu-repo/semantics/articleapplication/pdfhttps://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/2374610.15517/lank.v16i1.23746Lankesteriana: International Journal on Orchidology; 2016: Lankesteriana: Volumen 16, Número 1Lankesteriana: International Journal on Orchidology; 2016: Lankesteriana: Volumen 16, Número 12215-20671409-3871reponame:Portal de Revistas UCRinstname:Universidad de Costa Ricainstacron:UCRspahttps://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/23746/23967acceso abiertohttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccess2022-10-09T05:14:19Zoai:portal.ucr.ac.cr:article/23746Portal de revistashttps://revistas.ucr.ac.cr/Universidadhttp://www.ucr.ac.crhttps://revistas.ucr.ac.cr/index.php/index/oaijorge.polanco@ucr.ac.crCosta RicaNo aplicaNo aplicaNo aplicaopendoar:2025-08-13T10:51:47.141Portal de Revistas UCR - Universidad de Costa Ricafalse
dc.title.none.fl_str_mv Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
title Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
spellingShingle Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
Pedroso-de-Moraes, Cristiano
Orchid
sexual expression
anatomy
Orchid
sexual expression
anatomy
title_short Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
title_full Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
title_fullStr Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
title_full_unstemmed Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
title_sort Floral sexual differentiation in Catasetum fimbriatum (Catasetinae, Orchidaceae) exposed to different light intensities
dc.creator.none.fl_str_mv Pedroso-de-Moraes, Cristiano
de Souza-Leal, Thiago
Saoncella, Alinne L.
de Almeida, Marcílio
author Pedroso-de-Moraes, Cristiano
author_facet Pedroso-de-Moraes, Cristiano
de Souza-Leal, Thiago
Saoncella, Alinne L.
de Almeida, Marcílio
author_role author
author2 de Souza-Leal, Thiago
Saoncella, Alinne L.
de Almeida, Marcílio
author2_role author
author
author
dc.subject.none.fl_str_mv Orchid
sexual expression
anatomy
Orchid
sexual expression
anatomy
topic Orchid
sexual expression
anatomy
Orchid
sexual expression
anatomy
description To elucidate the factors which control the flower phenotypic plasticity of Catasetum fimbriatum, studies focusing the floral development of the species were performed. The treatments were: high light intensity (1613 μmol.m-2.s-1); low light intensity (454 μmol.m-2.s-1) and mean light intensity (827 μmol.m-2.s-1). The floral morphology and anatomy were analyzed to evaluate of the sequence of tissue development involved in the sexual differentiation. We found the presence of cell cluster with meristematic features in the ovaries and gynostemium of the male and female diclinous flowers. These are responsible for the definition of the sexual expression of the species, in the dependence of the environmental stimulus, related to the endogenous concentration of ethylene, allowing, consequently, the dedifferentiation and re-differentiation of those clusters in the sexual determination of the flowers. There were no anatomical differences in floral tissues in different treatments. 
publishDate 2016
dc.date.none.fl_str_mv 2016-04-13
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
Article
artículo original
http://purl.org/coar/resource_type/c_2df8fbb1
info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/23746
10.15517/lank.v16i1.23746
url https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/23746
identifier_str_mv 10.15517/lank.v16i1.23746
dc.language.none.fl_str_mv spa
language spa
dc.relation.none.fl_str_mv https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/23746/23967
dc.rights.none.fl_str_mv acceso abierto
http://purl.org/coar/access_right/c_abf2
info:eu-repo/semantics/openAccess
rights_invalid_str_mv acceso abierto
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidad de Costa Rica
publisher.none.fl_str_mv Universidad de Costa Rica
dc.source.none.fl_str_mv Lankesteriana: International Journal on Orchidology; 2016: Lankesteriana: Volumen 16, Número 1
Lankesteriana: International Journal on Orchidology; 2016: Lankesteriana: Volumen 16, Número 1
2215-2067
1409-3871
reponame:Portal de Revistas UCR
instname:Universidad de Costa Rica
instacron:UCR
instname_str Universidad de Costa Rica
instacron_str UCR
institution UCR
reponame_str Portal de Revistas UCR
collection Portal de Revistas UCR
repository.name.fl_str_mv Portal de Revistas UCR - Universidad de Costa Rica
repository.mail.fl_str_mv jorge.polanco@ucr.ac.cr
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score 15,228081

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