Application of the comet assay in erythrocytes of Oreochromis niloticus (Pisces): a methodological comparison

dc.contributor.authorChristofoletti, Cintya A. [UNESP]
dc.contributor.authorDavid, José Augusto O.
dc.contributor.authorFontanetti, Carmem S. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal do Pará (UFPA)
dc.date.accessioned2014-05-20T13:54:50Z
dc.date.available2014-05-20T13:54:50Z
dc.date.issued2009-01-01
dc.description.abstractThe present study applied the comet assay to erythrocytes of Oreochromis niloticus with the aim of improving protocols to detect DNA damage in these cells, by using two distinct pHs (pH = 12.1 and pH > 13) and evaluating whether there is a correspondence between silver and ethidium bromide staining. Comets were visually examined and, the frequency of cells with and without damage was obtained, as well as the distribution of classes and scores. By using the Kruskal-Wallis test, our results revealed that pH 12.1 is more effective, although both pHs can be used. Our findings also suggest that silver staining can substitute ethidium bromide, an expensive and highly toxic stain that requires specific equipment for examination.en
dc.description.affiliationUniversidade Estadual Paulista Júlio de Mesquita Filho Instituto de Biociências Departamento de Biologia
dc.description.affiliationUniversidade Federal do Pará (UFPA) Instituto de Biociências Departamento de Genética
dc.description.affiliationUnespUniversidade Estadual Paulista Júlio de Mesquita Filho Instituto de Biociências Departamento de Biologia
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação para o Desenvolvimento da UNESP (FUNDUNESP)
dc.format.extent155-158
dc.identifierhttp://dx.doi.org/10.1590/S1415-47572009005000020
dc.identifier.citationGenetics and Molecular Biology. Sociedade Brasileira de Genética, v. 32, n. 1, p. 155-158, 2009.
dc.identifier.doi10.1590/S1415-47572009005000020
dc.identifier.fileS1415-47572009000100024.pdf
dc.identifier.issn1415-4757
dc.identifier.scieloS1415-47572009000100024
dc.identifier.urihttp://hdl.handle.net/11449/19640
dc.identifier.wosWOS:000263377700024
dc.language.isoeng
dc.publisherSociedade Brasileira de Genética
dc.relation.ispartofGenetics and Molecular Biology
dc.relation.ispartofjcr1.493
dc.relation.ispartofsjr0,638
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectcomet assayen
dc.subjectethidium bromideen
dc.subjectsilver stainingen
dc.subjecttilapiaen
dc.titleApplication of the comet assay in erythrocytes of Oreochromis niloticus (Pisces): a methodological comparisonen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/gmb/iaboutj.htm
dcterms.rightsHolderSoc Brasil Genetica
unesp.author.lattes0961205650742832[3]
unesp.author.orcid0000-0002-9525-0381[1]
unesp.author.orcid0000-0002-5983-163X[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Rio Claropt

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