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dc.contributor.authorFantinatti, Bruno E. A.-
dc.contributor.authorMazzuchelli, Juliana-
dc.contributor.authorValente, Guilherme T.-
dc.contributor.authorCabral-de-Mello, Diogo Cavalcanti-
dc.contributor.authorMartins, Cesar-
dc.date.accessioned2014-05-20T13:51:57Z-
dc.date.accessioned2016-10-25T17:03:13Z-
dc.date.available2014-05-20T13:51:57Z-
dc.date.available2016-10-25T17:03:13Z-
dc.date.issued2011-10-01-
dc.identifierhttp://dx.doi.org/10.1007/s10709-012-9629-x-
dc.identifier.citationGenetica. Dordrecht: Springer, v. 139, n. 10, p. 1273-1282, 2011.-
dc.identifier.issn0016-6707-
dc.identifier.urihttp://hdl.handle.net/11449/18562-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/18562-
dc.description.abstractB chromosomes are additional chromosomes widely studied in a diversity of eukaryotic groups, including fungi, plants and animals, but their origin, evolution and possible functions are not clearly understood. To further understand the genomic content and the evolutionary history of B chromosomes, classical and molecular cytogenetic analyses were conducted in the cichlid fish Astatotilapia latifasciata, which harbor 1-2 B chromosomes. Through cytogenetic mapping of several probes, including transposable elements, rRNA genes, a repeated DNA genomic fraction (C (0) t - 1 DNA), whole genome probes (comparative genomic hybridization), and BAC clones from Oreochromis niloticus, we found similarities between the B chromosome and the 1st chromosome pair and chromosomes harboring rRNA genes. Based on the cytogenetic mapping data, we suggest the B chromosome may have evolved from a small chromosomal fragment followed by the invasion of the proto-B chromosome by several repeated DNA families.en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.format.extent1273-1282-
dc.language.isoeng-
dc.publisherSpringer-
dc.sourceWeb of Science-
dc.subjectCytogeneticsen
dc.subjectEvolutionen
dc.subjectGenomeen
dc.subjectRepeated DNAen
dc.subjectSupernumerary chromosomeen
dc.titleGenomic content and new insights on the origin of the B chromosome of the cichlid fish Astatotilapia latifasciataen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNESP Univ Estadual Paulista, Dept Morfol, Inst Biociencias, BR-18618970 Botucatu, SP, Brazil-
dc.description.affiliationUNESP Univ Estadual Paulista, Dept Biol, Inst Biociencias, Rio Claro, SP, Brazil-
dc.description.affiliationUnespUNESP Univ Estadual Paulista, Dept Morfol, Inst Biociencias, BR-18618970 Botucatu, SP, Brazil-
dc.description.affiliationUnespUNESP Univ Estadual Paulista, Dept Biol, Inst Biociencias, Rio Claro, SP, Brazil-
dc.identifier.doi10.1007/s10709-012-9629-x-
dc.identifier.wosWOS:000301300700006-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofGenetica-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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