Ultrastructural aspects of acid phosphatase activity in Malpighian tubules of Triatoma infestans Klug

dc.contributor.authorDe Azeredo-Oliveira, Maria Tercília Vilela [UNESP]
dc.contributor.authorMello, Maria Luiza Silveira
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.date.accessioned2022-04-28T20:06:50Z
dc.date.available2022-04-28T20:06:50Z
dc.date.issued1998-12-01
dc.description.abstractAcid phosphatase activity was investigated ultrastructurally in Malpighian tubules of Triatoma infestans. Enzyme activity was demonstrated in laminated 'concretions' (distal cells) and in typical lysosomes, as well as in basal plasmalemma infoldings and basement membranes (especially in distal cells). This activity was assumed to be related to the excretory functions carried out mostly by the distal cells. Heterochromatin-nucleolus functional relationships involving RNA transcription may promote the nuclear reaction verified in the proximal cells and in some distal cells. A lead phosphate precipitate appeared free in the cytoplasm encircling the nuclei and was assumed to be a contamination from the nuclear precipitates.en
dc.description.affiliationDepartment of Biology Universidade Estadual Paulista, R. Cristovao Colombo 2265, Sao Jose do Rio Preto, SP
dc.description.affiliationDepartment of Cell Biology Institute of Biology UNICAMP, CEP 13083-970, Campinas, SP
dc.description.affiliationUnespDepartment of Biology Universidade Estadual Paulista, R. Cristovao Colombo 2265, Sao Jose do Rio Preto, SP
dc.format.extent33-42
dc.identifier.citationCytobios, v. 1998, n. 372, p. 33-42, 1998.
dc.identifier.issn0011-4529
dc.identifier.scopus2-s2.0-2942578137
dc.identifier.urihttp://hdl.handle.net/11449/224665
dc.language.isoeng
dc.relation.ispartofCytobios
dc.sourceScopus
dc.subjectAcid phosphatases
dc.subjectHeterochromatin
dc.subjectLysosomes
dc.subjectMalpighian tubules
dc.subjectNucleolus
dc.subjectTriatoma infestans
dc.titleUltrastructural aspects of acid phosphatase activity in Malpighian tubules of Triatoma infestans Klugen
dc.typeArtigo
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências Letras e Ciências Exatas, São José do Rio Pretopt
unesp.departmentBiologia - IBILCEpt

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