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Sex chromosome differentiation in Belostoma (Insecta: Heteroptera: Belostomatidae)

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dc.contributor.authorBardella, V. B. [UNESP]
dc.contributor.authorDias, A. L.
dc.contributor.authorGiuliano-Caetano, L.
dc.contributor.authorRibeiro, J. R. I.
dc.contributor.authorDa Rosa, R.
dc.contributor.institutionUniversidade Estadual de Londrina (UEL)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal do Pampa (UNIPAMPA)
dc.date.accessioned2014-05-20T15:34:50Z
dc.date.available2014-05-20T15:34:50Z
dc.date.issued2012-01-01
dc.description.abstractBelostoma, a genus of the family Belostomatidae, includes species of great ecological importance as biocontrol agents. Few species of these species have been the subject of cytogenetic analyses. Karyotypic evolution in this genus involves agmatoploidy and simploidy; there are also different sex chromosome systems. We examined two Belostoma species (B. dilatatum and B. candidulum) collected from the Paranapanema River Basin (Brazil). Mitotic and meiotic analysis revealed 2n(male) = 26 + X1X2X3Y for B. dilatatum and 2n(male) = 14 + XY for B. candidulum; both karyotypes have holokinetic chromosomes. Differences in heterochromatin distribution were also observed between the species, besides variation in the localization of CMA(3)(+)/DAPI(-) blocks. The existence of different types of sex chromosome systems in these species was confirmed based on arrangements of the chromosomes in different meiotic stages. We identified a new sex system in B. dilatatum, and make the first cytogenetic report on B. candidulum.en
dc.description.affiliationUniversidade Estadual de Londrina (UEL), CCB, Dept Biol Geral, Londrina, PR, Brazil
dc.description.affiliationUniv Estadual Paulista, Dept Biol, Inst Biociencias Letras & Ciencias Exatas, São Paulo, Brazil
dc.description.affiliationUniv Fed Pampa, Sao Gabriel, RS, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Biol, Inst Biociencias Letras & Ciencias Exatas, São Paulo, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação Araucária de Apoio ao Desenvolvimento Científico e Tecnológico do Paraná (FAADCT/PR)
dc.description.sponsorshipUniversidade Estadual de Londrina (UEL)
dc.format.extent2476-2486
dc.identifierhttp://dx.doi.org/10.4238/2012.May.21.2
dc.identifier.citationGenetics and Molecular Research. Ribeirao Preto: Funpec-editora, v. 11, n. 3, p. 2476-2486, 2012.
dc.identifier.doi10.4238/2012.May.21.2
dc.identifier.fileWOS000308817800065.pdf
dc.identifier.issn1676-5680
dc.identifier.urihttp://hdl.handle.net/11449/42663
dc.identifier.wosWOS:000308817800065
dc.language.isoeng
dc.publisherFunpec-editora
dc.relation.ispartofGenetics and Molecular Research
dc.relation.ispartofsjr0,439
dc.rights.accessRightsAcesso abertopt
dc.sourceWeb of Science
dc.subjectHolokinetic chromosomesen
dc.subjectHeterochromatinen
dc.subjectSimploidyen
dc.subjectSex chromosomesen
dc.subjectAgmatoploidyen
dc.titleSex chromosome differentiation in Belostoma (Insecta: Heteroptera: Belostomatidae)en
dc.typeArtigopt
dcterms.licensehttp://www.geneticsmr.com/node/2
dcterms.rightsHolderFunpec-editora
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Biociências, Letras e Ciências Exatas, São José do Rio Pretopt

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São José do Rio Preto - IBILCE - Instituto de Biociências, Letras e Ciências Exatas