Cytogenetic characterization reveals differences in nuclear organization of cystic cells among Brazilian species of Triatoma (Heteroptera, Reduviidae)

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dc.contributor.authorBardella, Vanessa Bellini [UNESP]
dc.contributor.authorde Souza, Rosana Silistino [UNESP]
dc.contributor.authorBarrera San Martin, Juca Abramo
dc.contributor.authorTardeli de Jesus Andrade, Celia Guadalupe
dc.contributor.authorLaforga Vanzela, Andre Luis
dc.contributor.authorVilela de Azeredo-Oliveira, Maria Tercilia [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:01:01Z
dc.date.available2014-05-20T14:01:01Z
dc.date.issued2012-12-01
dc.description.abstractCytogenetic studies in triatomines have described the occurrence of holokinetic chromosomes, heterochromatin distribution and the location of rDNA (ribosomal DNA) sites, but few aspects of nuclear organization in this group have been discussed. We have focused on ultrastructural and cytogenetic features and differences in cystic cells of seminiferous tubules between five species of Triatoma. Cystic cells showed evidence of polyploidy events and heterochromatic blocks appeared predominantly in the central region of the nuclei. Cytogenetic analyses showed that there was variation in chromocenter number between species, and that the central regions were AT-rich [DAPI(+) (4',6-diamidino-2-phenylindole(+))], whereas the periphery was CG-rich (CMA(+)). Another characteristic was the distribution of 45S rDNA, which differed according to the chromosomal location of this sequence. In all we have compared aspects of nuclear organization, polyploidy, heterochromatin, rDNA site distribution and methylation levels, as well as the relationships between five species of Triatoma from a cystic cell perspective.en
dc.description.affiliationUniv Estadual Paulista UNESP IBILCE, Dept Biol, Inst Biociencias Letras & Ciencias Exatas, BR-15054000 Sao Jose do Rio Preto, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista UNESP IBILCE, Dept Biol, Inst Biociencias Letras & Ciencias Exatas, BR-15054000 Sao Jose do Rio Preto, SP, Brazil
dc.description.sponsorshipFundação Araucária de Apoio ao Desenvolvimento Científico e Tecnológico do Paraná (FAADCT/PR)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipIdFAPESP: 09/17816-8
dc.description.sponsorshipIdFAPESP: 10/01193-9
dc.format.extent1287-1291
dc.identifierhttp://dx.doi.org/10.1042/CBI20120064
dc.identifier.citationCell Biology International. London: Portland Press Ltd, v. 36, n. 12, p. 1287-1291, 2012.
dc.identifier.doi10.1042/CBI20120064
dc.identifier.issn1065-6995
dc.identifier.urihttp://hdl.handle.net/11449/21557
dc.identifier.wosWOS:000311144500024
dc.language.isoeng
dc.publisherPortland Press
dc.relation.ispartofCell Biology International
dc.relation.ispartofjcr1.936
dc.relation.ispartofsjr0,712
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectanti-5-methylcytosineen
dc.subjectHeterochromatinen
dc.subjectTEMen
dc.subjectpolyploidyen
dc.subjectrDNAen
dc.subjectTriatominesen
dc.titleCytogenetic characterization reveals differences in nuclear organization of cystic cells among Brazilian species of Triatoma (Heteroptera, Reduviidae)en
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderPortland Press Ltd
unesp.author.orcid0000-0002-2442-2211[5]
unesp.author.orcid0000-0003-2111-638X[6]
unesp.author.orcid0000-0001-8827-4118[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências Letras e Ciências Exatas, São José do Rio Pretopt

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Artigos - Biologia - IBILCE