Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters

Detalhes bibliográficos
Autor(a) principal: Paiva, Élder Antônio Sousa
Data de Publicação: 2006
Outros Autores: Machado, Silvia Rodrigues [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.15517/rbt.v54i3.13692
http://hdl.handle.net/11449/231792
Resumo: The genus Hymenaea is characterized by a great diversity of secretory structures, but there are no reports of colleters yet. The objectives of this study are to report the occurrence and describe the origin and structure of colleters in Hymenaea stigonocarpa Mart. ex Hayne. Shoot apex samples were collected, fixed, and processed for light microscopy, scanning electron microscopy, and transmission electron microscopy as per usual methods. Colleters occur predominantly on the stipule’s adaxial side. These structures are found at the base on a narrow strip, corresponding to the median vein up to half the length of the stipule. When present on the abaxial side, they are concentrated at the base and restricted to the margins. Colleters develop from the protoderm; they are elongate and club-shaped. Their body has no stratification; their surface cells differ from the inner cells only in position and presence of cuticle. Colleter cells have thin walls, dense cytoplasm, large nuclei, many mitochondria, rough endoplasmic reticulum, and abundant dictyosomes. Histochemical tests with Ruthenium red showed pectic compounds in the cytosol. In H. stigonocarpa, colleter arrangement is compatible with the hypothesis that they protect shoot apex. In this species, protection is reinforced by the sheath formed by the stipule pairs.
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spelling Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colletersColleterSecretionStipuleUltrastructure“Cerrado” vegetationThe genus Hymenaea is characterized by a great diversity of secretory structures, but there are no reports of colleters yet. The objectives of this study are to report the occurrence and describe the origin and structure of colleters in Hymenaea stigonocarpa Mart. ex Hayne. Shoot apex samples were collected, fixed, and processed for light microscopy, scanning electron microscopy, and transmission electron microscopy as per usual methods. Colleters occur predominantly on the stipule’s adaxial side. These structures are found at the base on a narrow strip, corresponding to the median vein up to half the length of the stipule. When present on the abaxial side, they are concentrated at the base and restricted to the margins. Colleters develop from the protoderm; they are elongate and club-shaped. Their body has no stratification; their surface cells differ from the inner cells only in position and presence of cuticle. Colleter cells have thin walls, dense cytoplasm, large nuclei, many mitochondria, rough endoplasmic reticulum, and abundant dictyosomes. Histochemical tests with Ruthenium red showed pectic compounds in the cytosol. In H. stigonocarpa, colleter arrangement is compatible with the hypothesis that they protect shoot apex. In this species, protection is reinforced by the sheath formed by the stipule pairs.Universidade Federal de Minas Gerais Instituto de Ciências Biológicas Depto. BotânicaUniversidade Estadual Paulista Julio de Mesquita Filho Instituto de Biociências Depto. Botânica, CP 510Universidade Estadual Paulista Julio de Mesquita Filho Instituto de Biociências Depto. Botânica, CP 510Universidade Federal de Minas Gerais (UFMG)Universidade Estadual Paulista (UNESP)Paiva, Élder Antônio SousaMachado, Silvia Rodrigues [UNESP]2022-04-29T08:47:26Z2022-04-29T08:47:26Z2006-09-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article943-950http://dx.doi.org/10.15517/rbt.v54i3.13692Revista de Biologia Tropical, v. 54, n. 3, p. 943-950, 2006.2215-20750034-7744http://hdl.handle.net/11449/23179210.15517/rbt.v54i3.136922-s2.0-33646820044Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengRevista de Biologia Tropicalinfo:eu-repo/semantics/openAccess2022-04-29T08:47:27Zoai:repositorio.unesp.br:11449/231792Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:48:55.089075Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters
title Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters
spellingShingle Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters
Paiva, Élder Antônio Sousa
Colleter
Secretion
Stipule
Ultrastructure
“Cerrado” vegetation
title_short Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters
title_full Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters
title_fullStr Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters
title_full_unstemmed Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters
title_sort Ontogenesis, structure and ultrastructure of Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) colleters
author Paiva, Élder Antônio Sousa
author_facet Paiva, Élder Antônio Sousa
Machado, Silvia Rodrigues [UNESP]
author_role author
author2 Machado, Silvia Rodrigues [UNESP]
author2_role author
dc.contributor.none.fl_str_mv Universidade Federal de Minas Gerais (UFMG)
Universidade Estadual Paulista (UNESP)
dc.contributor.author.fl_str_mv Paiva, Élder Antônio Sousa
Machado, Silvia Rodrigues [UNESP]
dc.subject.por.fl_str_mv Colleter
Secretion
Stipule
Ultrastructure
“Cerrado” vegetation
topic Colleter
Secretion
Stipule
Ultrastructure
“Cerrado” vegetation
description The genus Hymenaea is characterized by a great diversity of secretory structures, but there are no reports of colleters yet. The objectives of this study are to report the occurrence and describe the origin and structure of colleters in Hymenaea stigonocarpa Mart. ex Hayne. Shoot apex samples were collected, fixed, and processed for light microscopy, scanning electron microscopy, and transmission electron microscopy as per usual methods. Colleters occur predominantly on the stipule’s adaxial side. These structures are found at the base on a narrow strip, corresponding to the median vein up to half the length of the stipule. When present on the abaxial side, they are concentrated at the base and restricted to the margins. Colleters develop from the protoderm; they are elongate and club-shaped. Their body has no stratification; their surface cells differ from the inner cells only in position and presence of cuticle. Colleter cells have thin walls, dense cytoplasm, large nuclei, many mitochondria, rough endoplasmic reticulum, and abundant dictyosomes. Histochemical tests with Ruthenium red showed pectic compounds in the cytosol. In H. stigonocarpa, colleter arrangement is compatible with the hypothesis that they protect shoot apex. In this species, protection is reinforced by the sheath formed by the stipule pairs.
publishDate 2006
dc.date.none.fl_str_mv 2006-09-01
2022-04-29T08:47:26Z
2022-04-29T08:47:26Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.15517/rbt.v54i3.13692
Revista de Biologia Tropical, v. 54, n. 3, p. 943-950, 2006.
2215-2075
0034-7744
http://hdl.handle.net/11449/231792
10.15517/rbt.v54i3.13692
2-s2.0-33646820044
url http://dx.doi.org/10.15517/rbt.v54i3.13692
http://hdl.handle.net/11449/231792
identifier_str_mv Revista de Biologia Tropical, v. 54, n. 3, p. 943-950, 2006.
2215-2075
0034-7744
10.15517/rbt.v54i3.13692
2-s2.0-33646820044
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Revista de Biologia Tropical
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 943-950
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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