Please use this identifier to cite or link to this item: https://repositorio.inpa.gov.br/handle/1/19497
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dc.contributor.authorFeldberg, Eliana-
dc.contributor.authorPorto, Jorge Ivan Rebelo-
dc.contributor.authorNakayama, Celeste Mutuko-
dc.contributor.authorBertollo, Luiz Antônio Carlos-
dc.date.accessioned2020-06-15T22:09:13Z-
dc.date.available2020-06-15T22:09:13Z-
dc.date.issued1993-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/19497-
dc.description.abstractUsing cytogenetic analysis following Giemsa staining, nucleolar organizer region (NOR) staining, and C-banding, three distinct karyotypes in three species of curimatids belonging to the fish genus Potamorhina were identified: 2n = 54/44 M + 10 SM (P. pristigaster), 2n = 56/52 M + 2 SM + 2 ST (P. latior), and 2n = 102/2 M + 2 SM + 98 A (P. altamazonica). A 2n = 54 was considered to be the ancestral diploid number and the different karyotypes were probably the result of centric fissions. Both the NOR pattern and constitutive heterochromatin pattern are species specific.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 36, Número 2, Pags. 372-376pt_BR
dc.rightsRestrito*
dc.subjectAnimals Cellen
dc.subjectFishen
dc.subjectKaryotype Evolutionen
dc.subjectNonhumanen
dc.subjectPhylogenyen
dc.subjectRobertsonian Chromosome Translocationen
dc.subjectAnimalsiaen
dc.subjectCharaciformesen
dc.subjectCurimatidaeen
dc.subjectPotamorhinaen
dc.subjectPotamorhina Latioren
dc.subjectPristigasteren
dc.subjectRobertsoniaen
dc.subjectTeleosteien
dc.titleKaryotype evolution in Curimatidae (Teleostei, Characiformes) from the Amazon region. II. Centric fissions in the genus Potamorhinaen
dc.typeArtigopt_BR
dc.identifier.doi10.1139/g93-051-
dc.publisher.journalGenomept_BR
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