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NATURAL TRIPLOIDY IN ASTYANAX-SCABRIPINNIS (PISCES, CHARACIDAE) AND SIMULTANEOUS OCCURRENCE OF MACRO B-CHROMOSOMES

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dc.contributor.authorMaistro, E. L.
dc.contributor.authorDias, A. L.
dc.contributor.authorForesti, F.
dc.contributor.authorOliveira, C.
dc.contributor.authorMoreira, O.
dc.contributor.institutionUniversidade Estadual de Londrina (UEL)
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:21:01Z
dc.date.available2014-05-20T15:21:01Z
dc.date.issued1994-07-01
dc.description.abstractThe occurrence of natural triploidy in two specimens of Astyanax scabripinnis collected in the Araqua river and in the Corrego das Pedras stream, respectively, is noticed. The triploid specimen from the Araqua river presented one macro B-chromosome and the triploid specimen from Corrego das Pedras stream presented two macro B-chromosomes. The C-banding performed in the specimen from the Araqua river confirmed the triploidy and showed that the macro B-chromosome was entirely heterochromatic. Ag-NOR characterization showed two chromosomes involved in the nucleolar activity in both specimens. Some aspects related to the origin of triploid fishes are described.en
dc.description.affiliationUNIV ESTADUAL LONDRINA,CTR CIENCIAS BIOL,DEPT BIOL GERAL,LONDRINA,PARANA,BRAZIL
dc.description.affiliationUNIV FED SAO CARLOS,DEPT CIENCIAS BIOL,BR-13560 SAO CARLOS,SP,BRAZIL
dc.format.extent233-239
dc.identifierhttp://www.caryologia.unifi.it/
dc.identifier.citationCaryologia. Florence: Univ Florence Botany Inst, v. 47, n. 3-4, p. 233-239, 1994.
dc.identifier.issn0008-7114
dc.identifier.lattes0804793944846367
dc.identifier.urihttp://hdl.handle.net/11449/32201
dc.identifier.wosWOS:A1994QX43200005
dc.language.isoeng
dc.publisherUniv Florence Botany Inst
dc.relation.ispartofCaryologia
dc.relation.ispartofjcr0.608
dc.relation.ispartofsjr0,281
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectFISH CYTOGENETICSpt
dc.subjectASTYANAX-SCABRIPINNISpt
dc.subjectNATURAL TRIPLOIDYpt
dc.subjectB-CHROMOSOMESpt
dc.subjectC-BANDINGpt
dc.titleNATURAL TRIPLOIDY IN ASTYANAX-SCABRIPINNIS (PISCES, CHARACIDAE) AND SIMULTANEOUS OCCURRENCE OF MACRO B-CHROMOSOMESen
dc.typeArtigo
dcterms.licensehttp://journalauthors.tandf.co.uk/preparation/copyright.asp
dcterms.rightsHolderUniv Florence Botany Inst
dspace.entity.typePublication
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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Botucatu - IBB - Instituto de Biociências