Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)

Besides being vital tools in taxonomic evaluation, the anatomy of plant secretory structures and the chemical composition of their secretions may contribute to a more thorough understanding of the roles and functions of these secretory structures. Here we used standard techniques for plant anatomy a...

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Detalhes bibliográficos
Autores: Thadeo, Marcela, Cassino, Mariana F., Vitarelli, Narah C., Azevedo, Aristéa A., Araújo, João M., Valente, Vânia M. M., Meira, Renata M. S. A.
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2008
País:Brasil
Recursos:Universidade Federal de Viçosa (UFV)
Repositorio:LOCUS Repositório Institucional da UFV
Idioma:inglés
OAI Identifier:oai:locus.ufv.br:123456789/19103
Acesso em linha:https://onlinelibrary.wiley.com/doi/abs/10.3732/ajb.0800120
http://www.locus.ufv.br/handle/123456789/19103
Access Level:acceso abierto
Palavra-chave:Extrafloral nectaries
Flacourtiaceae
Histochemistry
Ontogeny
Prockia crucis
Salicaceae
Secretion chemistry
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spelling Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)Extrafloral nectariesFlacourtiaceaeHistochemistryOntogenyProckia crucisSalicaceaeSecretion chemistryBesides being vital tools in taxonomic evaluation, the anatomy of plant secretory structures and the chemical composition of their secretions may contribute to a more thorough understanding of the roles and functions of these secretory structures. Here we used standard techniques for plant anatomy and histochemistry to examine secretory structures on leaves at different stages of development of Prockia crucis, to evaluate the origin and development of the structures, and to identify the disaccharides and monosaccharides in the exudates. Fructose, glucose, and sucrose constituted up to 49.6% of the entire secretion. The glands were confirmed to be extrafloral nectaries (EFNs); this is the first report of their presence in the genus Prockia. These EFNs are globular, sessile glands, with a central concavity occurring on the basal and marginal regions of the leaf. The epidermis surrounding the concavity is secretory, forming a single‐layered palisade that strongly reacts with periodic acid–Schiff's reagent (PAS) and xylidine Ponceau, indicators of total polysaccharides and total proteins, respectively, in the exudate. On the basis of the similarity of these glands to the salicoid teeth in Populus and Salix, we suggest that these three taxa are phylogenetically close.American Journal of Botany2018-04-24T18:09:23Z2018-04-24T18:09:23Z2008-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlepdfapplication/pdf1537-2197https://onlinelibrary.wiley.com/doi/abs/10.3732/ajb.0800120http://www.locus.ufv.br/handle/123456789/19103engv. 95, n. 12, p. 1515-1522, dec. 2008info:eu-repo/semantics/openAccessreponame:LOCUS Repositório Institucional da UFVinstname:Universidade Federal de Viçosa (UFV)instacron:UFVThadeo, MarcelaCassino, Mariana F.Vitarelli, Narah C.Azevedo, Aristéa A.Araújo, João M.Valente, Vânia M. M.Meira, Renata M. S. A.2024-07-12T07:39:59Zoai:locus.ufv.br:123456789/19103Repositório InstitucionalPUBhttps://www.locus.ufv.br/oai/requestfabiojreis@ufv.bropendoar:21452024-07-12T07:39:59LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)false
dc.title.none.fl_str_mv Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)
title Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)
spellingShingle Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)
Thadeo, Marcela
Extrafloral nectaries
Flacourtiaceae
Histochemistry
Ontogeny
Prockia crucis
Salicaceae
Secretion chemistry
title_short Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)
title_full Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)
title_fullStr Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)
title_full_unstemmed Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)
title_sort Anatomical and histochemical characterization of extrafloral nectaries of Prockia crucis (Salicaceae)
dc.creator.none.fl_str_mv Thadeo, Marcela
Cassino, Mariana F.
Vitarelli, Narah C.
Azevedo, Aristéa A.
Araújo, João M.
Valente, Vânia M. M.
Meira, Renata M. S. A.
author Thadeo, Marcela
author_facet Thadeo, Marcela
Cassino, Mariana F.
Vitarelli, Narah C.
Azevedo, Aristéa A.
Araújo, João M.
Valente, Vânia M. M.
Meira, Renata M. S. A.
author_role author
author2 Cassino, Mariana F.
Vitarelli, Narah C.
Azevedo, Aristéa A.
Araújo, João M.
Valente, Vânia M. M.
Meira, Renata M. S. A.
author2_role author
author
author
author
author
author
dc.subject.por.fl_str_mv Extrafloral nectaries
Flacourtiaceae
Histochemistry
Ontogeny
Prockia crucis
Salicaceae
Secretion chemistry
topic Extrafloral nectaries
Flacourtiaceae
Histochemistry
Ontogeny
Prockia crucis
Salicaceae
Secretion chemistry
description Besides being vital tools in taxonomic evaluation, the anatomy of plant secretory structures and the chemical composition of their secretions may contribute to a more thorough understanding of the roles and functions of these secretory structures. Here we used standard techniques for plant anatomy and histochemistry to examine secretory structures on leaves at different stages of development of Prockia crucis, to evaluate the origin and development of the structures, and to identify the disaccharides and monosaccharides in the exudates. Fructose, glucose, and sucrose constituted up to 49.6% of the entire secretion. The glands were confirmed to be extrafloral nectaries (EFNs); this is the first report of their presence in the genus Prockia. These EFNs are globular, sessile glands, with a central concavity occurring on the basal and marginal regions of the leaf. The epidermis surrounding the concavity is secretory, forming a single‐layered palisade that strongly reacts with periodic acid–Schiff's reagent (PAS) and xylidine Ponceau, indicators of total polysaccharides and total proteins, respectively, in the exudate. On the basis of the similarity of these glands to the salicoid teeth in Populus and Salix, we suggest that these three taxa are phylogenetically close.
publishDate 2008
dc.date.none.fl_str_mv 2008-12-01
2018-04-24T18:09:23Z
2018-04-24T18:09:23Z
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 1537-2197
https://onlinelibrary.wiley.com/doi/abs/10.3732/ajb.0800120
http://www.locus.ufv.br/handle/123456789/19103
identifier_str_mv 1537-2197
url https://onlinelibrary.wiley.com/doi/abs/10.3732/ajb.0800120
http://www.locus.ufv.br/handle/123456789/19103
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv v. 95, n. 12, p. 1515-1522, dec. 2008
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv pdf
application/pdf
dc.publisher.none.fl_str_mv American Journal of Botany
publisher.none.fl_str_mv American Journal of Botany
dc.source.none.fl_str_mv reponame:LOCUS Repositório Institucional da UFV
instname:Universidade Federal de Viçosa (UFV)
instacron:UFV
instname_str Universidade Federal de Viçosa (UFV)
instacron_str UFV
institution UFV
reponame_str LOCUS Repositório Institucional da UFV
collection LOCUS Repositório Institucional da UFV
repository.name.fl_str_mv LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)
repository.mail.fl_str_mv fabiojreis@ufv.br
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score 15,301603

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