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Cytogenetic characterization of a supernumerary chromosome segment and of B-chromosomes in Astyanax scabripinnis (Teleostei, Characidae)

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dc.contributor.authorMaistro, E. L.
dc.contributor.authorOliveira, C.
dc.contributor.authorForesti, F.
dc.contributor.institutionUniv Alfenas
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:51:21Z
dc.date.available2014-05-20T13:51:21Z
dc.date.issued2000-01-01
dc.description.abstractThe chromosome complement of a local population of Astyanax scabripinnis in Brazil was investigated with emphasis on the study of the heterochromatin attached to the A-chromosomes and present in the macro B-chromosome. Analysis after C-banding, silver and CMA(3) staining, incorporation of 5-bromo-2'-deoxyuridine and chromosome digestion with nine restriction endonucleases revealed that the heterochromatin in the B-chromosomes was different from that found in the A-chromosomes. A polymorphism due to the presence of a supernumerary heterochromatic chromosome segment was observed in the population investigated. Some aspects related to the origin of the heterochromatin polymorphism in Astyanax scabripinnis are discussed.en
dc.description.affiliationUniv Alfenas, Inst Farm & Nutr, BR-37130000 Alfenas, MG, Brazil
dc.description.affiliationUniv Estadual Paulista Julio Mesquita Filho, Inst Biociencias, Dept Morfol, BR-18618000 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista Julio Mesquita Filho, Inst Biociencias, Dept Morfol, BR-18618000 Botucatu, SP, Brazil
dc.format.extent177-183
dc.identifierhttp://dx.doi.org/10.1023/A:1017961411614
dc.identifier.citationGenetica. Dordrecht: Kluwer Academic Publ, v. 110, n. 2, p. 177-183, 2000.
dc.identifier.doi10.1023/A:1017961411614
dc.identifier.issn0016-6707
dc.identifier.lattes0804793944846367
dc.identifier.urihttp://hdl.handle.net/11449/18351
dc.identifier.wosWOS:000170957100009
dc.language.isoeng
dc.publisherKluwer Academic Publ
dc.relation.ispartofGenetica
dc.relation.ispartofjcr1.366
dc.relation.ispartofsjr0,649
dc.rights.accessRightsAcesso restritopt
dc.sourceWeb of Science
dc.subjectAstyanax scabripinnispt
dc.subjectB-chromosomespt
dc.subjectchromosome bandingpt
dc.subjectfish chromosomespt
dc.subjectrestriction endonucleasespt
dc.subjectsupernumerary segmentspt
dc.titleCytogenetic characterization of a supernumerary chromosome segment and of B-chromosomes in Astyanax scabripinnis (Teleostei, Characidae)en
dc.typeArtigopt
dcterms.licensehttp://www.springer.com/open+access/authors+rights
dcterms.rightsHolderKluwer Academic Publ
dspace.entity.typePublication
relation.isOrgUnitOfPublicationab63624f-c491-4ac7-bd2c-767f17ac838d
relation.isOrgUnitOfPublication.latestForDiscoveryab63624f-c491-4ac7-bd2c-767f17ac838d
unesp.author.lattes0804793944846367
unesp.author.orcid0000-0003-0757-7876[1]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Biociências, Botucatupt
unesp.departmentMorfologia - IBBpt

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