Genomic organization of repetitive DNAs in the cichlid fish Astronotus ocellatus

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dc.contributor.authorMazzuchelli, Juliana [UNESP]
dc.contributor.authorMartins, Cesar [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:51:57Z
dc.date.available2014-05-20T13:51:57Z
dc.date.issued2009-07-01
dc.description.abstractTo contribute to the knowledge of fish genomes, we identified and characterized by means of nucleotide sequencing and physical chromosome mapping, three classes of repetitive DNAs in the genome of the South American cichlid fish Astronotus ocellatus. The first class corresponds to a satellite DNA family (AoSat) that shares similarity with a centromeric satellite DNA of the pufferfish Tetraodon nigroviridis. The second repetitive DNA class (AoRex3) is related to the retrotransposon Rex3, which is widely distributed among teleost fishes. The last repetitive element (AoLINE) shows a high similarity to the CR1-like LINE element of other teleosts. The three isolated repetitive elements are clustered in the centromeric heterochromatin of all chromosomes of the complement. The repetitive sequences are not randomly distributed in the genome, suggesting a pattern of compartmentalization on chromosomes.en
dc.description.affiliationUNESP, Inst Biociencias, Dept Morfol, BR-18618000 Botucatu, SP, Brazil
dc.description.affiliationUnespUNESP, Inst Biociencias, Dept Morfol, BR-18618000 Botucatu, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.format.extent461-469
dc.identifierhttp://dx.doi.org/10.1007/s10709-008-9346-7
dc.identifier.citationGenetica. Dordrecht: Springer, v. 136, n. 3, p. 461-469, 2009.
dc.identifier.doi10.1007/s10709-008-9346-7
dc.identifier.issn0016-6707
dc.identifier.lattes8858800699425352
dc.identifier.orcid0000-0003-3534-974X
dc.identifier.urihttp://hdl.handle.net/11449/18558
dc.identifier.wosWOS:000266451200008
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofGenetica
dc.relation.ispartofjcr1.366
dc.relation.ispartofsjr0,649
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectCytogeneticsen
dc.subjectGenome evolutionen
dc.subjectChromosomeen
dc.subjectHeterochromatinen
dc.subjectTransposonen
dc.subjectSatellite DNAen
dc.titleGenomic organization of repetitive DNAs in the cichlid fish Astronotus ocellatusen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
unesp.author.lattes8858800699425352[2]
unesp.author.orcid0000-0003-3534-974X[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Botucatupt

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