Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti
Autor(a) principal: | |
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Data de Publicação: | 2000 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/224415 |
Resumo: | The Malpighian tubules of Aedes aegypti showed significant differences in their diameters between male and female larvae, male and female pupae, male larvae and male adults and male pupae and male adults. In every case, female values were greater than in males. Measurements of mean nuclear areas of the principal and stellate cells from Malpighian tubules, taken in males and females during development, showed that this parameter in both types of cell was significantly greater in females than in male larvae, pupae and adult stages. In males, significant differences between developmental stages were observed only in comparison with the nuclear area of larvae and adults in the principal cells, but in females, every comparison between stages showed significant differences except between pupae and adults in stellate cells. The frequency distribution of nuclear area values, in development, for male stellate and principal cells, were mostly concentrated in the first seven classes among the 30 classes considered in every stage, while for females, the frequency dropped drastically in the same classes from larvae to pupae and adults, moving to classes of higher values. Considering the importance of Malpighian tubules in insect physiology, the meaning of the differences detected are discussed on the basis of different metabolic levels, between sexes and developmental stages. |
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Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegyptiAedes aegyptiMalpighian tubulesMorphologyThe Malpighian tubules of Aedes aegypti showed significant differences in their diameters between male and female larvae, male and female pupae, male larvae and male adults and male pupae and male adults. In every case, female values were greater than in males. Measurements of mean nuclear areas of the principal and stellate cells from Malpighian tubules, taken in males and females during development, showed that this parameter in both types of cell was significantly greater in females than in male larvae, pupae and adult stages. In males, significant differences between developmental stages were observed only in comparison with the nuclear area of larvae and adults in the principal cells, but in females, every comparison between stages showed significant differences except between pupae and adults in stellate cells. The frequency distribution of nuclear area values, in development, for male stellate and principal cells, were mostly concentrated in the first seven classes among the 30 classes considered in every stage, while for females, the frequency dropped drastically in the same classes from larvae to pupae and adults, moving to classes of higher values. Considering the importance of Malpighian tubules in insect physiology, the meaning of the differences detected are discussed on the basis of different metabolic levels, between sexes and developmental stages.Departamento de Biologia Instituto de Biociências Universidade Estadual Paulista, Sao Jose do Rio Preto, SPDepartamento de Biologia Instituto de Biociências Universidade Estadual Paulista, Sao Jose do Rio Preto, SPUniversidade Estadual Paulista (UNESP)De Sousa, Rita De Cássia [UNESP]Bicudo, Hermione E. M. C. [UNESP]2022-04-28T19:56:27Z2022-04-28T19:56:27Z2000-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article173-186Cytobios, v. 2000, n. 401, p. 173-186, 2000.0011-4529http://hdl.handle.net/11449/2244152-s2.0-0346300230Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengCytobiosinfo:eu-repo/semantics/openAccess2022-04-28T19:56:27Zoai:repositorio.unesp.br:11449/224415Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-28T19:56:27Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti |
title |
Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti |
spellingShingle |
Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti De Sousa, Rita De Cássia [UNESP] Aedes aegypti Malpighian tubules Morphology |
title_short |
Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti |
title_full |
Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti |
title_fullStr |
Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti |
title_full_unstemmed |
Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti |
title_sort |
Morphometric changes associated with sex and development in the Malpighian tubules of Aedes aegypti |
author |
De Sousa, Rita De Cássia [UNESP] |
author_facet |
De Sousa, Rita De Cássia [UNESP] Bicudo, Hermione E. M. C. [UNESP] |
author_role |
author |
author2 |
Bicudo, Hermione E. M. C. [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
De Sousa, Rita De Cássia [UNESP] Bicudo, Hermione E. M. C. [UNESP] |
dc.subject.por.fl_str_mv |
Aedes aegypti Malpighian tubules Morphology |
topic |
Aedes aegypti Malpighian tubules Morphology |
description |
The Malpighian tubules of Aedes aegypti showed significant differences in their diameters between male and female larvae, male and female pupae, male larvae and male adults and male pupae and male adults. In every case, female values were greater than in males. Measurements of mean nuclear areas of the principal and stellate cells from Malpighian tubules, taken in males and females during development, showed that this parameter in both types of cell was significantly greater in females than in male larvae, pupae and adult stages. In males, significant differences between developmental stages were observed only in comparison with the nuclear area of larvae and adults in the principal cells, but in females, every comparison between stages showed significant differences except between pupae and adults in stellate cells. The frequency distribution of nuclear area values, in development, for male stellate and principal cells, were mostly concentrated in the first seven classes among the 30 classes considered in every stage, while for females, the frequency dropped drastically in the same classes from larvae to pupae and adults, moving to classes of higher values. Considering the importance of Malpighian tubules in insect physiology, the meaning of the differences detected are discussed on the basis of different metabolic levels, between sexes and developmental stages. |
publishDate |
2000 |
dc.date.none.fl_str_mv |
2000-12-01 2022-04-28T19:56:27Z 2022-04-28T19:56:27Z |
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 |
Cytobios, v. 2000, n. 401, p. 173-186, 2000. 0011-4529 http://hdl.handle.net/11449/224415 2-s2.0-0346300230 |
identifier_str_mv |
Cytobios, v. 2000, n. 401, p. 173-186, 2000. 0011-4529 2-s2.0-0346300230 |
url |
http://hdl.handle.net/11449/224415 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Cytobios |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
173-186 |
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 |
|
_version_ |
1797789907987464192 |