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Comparative cytogenetic survey of the giant bonytongue arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River Basins
dc.contributor.author | Oliveira, Ezequiel A. de | - |
dc.contributor.author | Sassi, Francisco de M. C | - |
dc.contributor.author | Perez, Manolo F | - |
dc.contributor.author | Bertollo, Luiz A. C | - |
dc.contributor.author | Ráb, Petr | - |
dc.contributor.author | Ezaz, Tariq | - |
dc.contributor.author | Hatanaka, Terumi | - |
dc.contributor.author | Viana, Patrick F | - |
dc.contributor.author | Feldberg, Eliana | - |
dc.contributor.author | Oliveira, Edivaldo Herculano Corrêa de | - |
dc.contributor.author | Cioffi, Marcelo de B | - |
dc.date.accessioned | 2020-12-07T12:46:45Z | - |
dc.date.available | 2020-12-07T12:46:45Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | OLIVEIRA, Ezequiel A. de et al. Comparative cytogenetic survey of the giant bonytongue arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River Basins. Neotropical Ichthyology, v. 18, n 4, e200055, 2020. | pt_BR |
dc.identifier.issn | 1679-6225 | - |
dc.identifier.uri | http://patua.iec.gov.br//handle/iec/4207 | - |
dc.description.abstract | The South American giant fishes of the genus Arapaima, commonly known as pirarucu, are one of the most iconic among Osteoglossiformes. Previously cytogenetic studies have identified their karyotype characteristics; however, characterization of cytotaxonomic differentiation across their distribution range remains unknown. In this study, we compared chromosomal characteristics using conventional and molecular cytogenetic protocols in pirarucu populations from the Amazon and Tocantins-Araguaia river basins to verify if there is differentiation among representatives of this genus. Our data revealed that individuals from all populations present the same diploid chromosome number 2n=56 and karyotype composed of 14 pairs of meta-to submetacentric and 14 pairs of subtelo-to acrocentric chromosomes. The minor and major rDNA sites are in separate chromosomal pairs, in which major rDNA sites corresponds to large heterochromatic blocks. Comparative genomic hybridizations (CGH) showed that the genome of these populations shared a great portion of repetitive elements, due to a lack of substantial specific signals. Our comparative cytogenetic data analysis of pirarucu suggested that, although significant genetic differences occur among populations, their general karyotype patterns remain conserved. | pt_BR |
dc.description.sponsorship | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) (401962/2016–4 and 302449/2018–3 to MBC); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) (2018/22033–1 to MBC; and 2017/10240–0 to MFP); Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)/Alexander von Humboldt Foundation (88881.136128/2017–01 to MBC). project EXCELLENCE (CZ.02.1.01/0.0/0.0/ 15_003/0000460 OP). | pt_BR |
dc.language.iso | eng | pt_BR |
dc.publisher | Sociedade Brasileira de Ictiologia | pt_BR |
dc.rights | Acesso Aberto | pt_BR |
dc.title | Comparative cytogenetic survey of the giant bonytongue arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River Basins | pt_BR |
dc.type | Artigo | pt_BR |
dc.subject.decsPrimary | Peixes / anatomia & histologia | pt_BR |
dc.subject.decsPrimary | Pirarucu | pt_BR |
dc.subject.decsPrimary | Análise Citogenética / veterinária | pt_BR |
dc.subject.decsPrimary | Mapeamento Cromossômico | pt_BR |
dc.subject.decsPrimary | DNA Ribossômico | pt_BR |
dc.subject.decsPrimary | Bacia do Rio Amazonas | pt_BR |
dc.subject.decsPrimary | Bacia do Rio Tocantins-Araguaia | pt_BR |
dc.creator.affilliation | Universidade Federal de São Carlos. Departamento de Genética e Evolução. São Carlos, SP, Brazil / Secretaria de Estado de Educação de Mato Grosso. Cuiabá, MT, Brazil. | pt_BR |
dc.creator.affilliation | Universidade Federal de São Carlos. Departamento de Genética e Evolução. São Carlos, SP, Brazil. | pt_BR |
dc.creator.affilliation | Universidade Federal de São Carlos. Departamento de Genética e Evolução. São Carlos, SP, Brazil. | pt_BR |
dc.creator.affilliation | Universidade Federal de São Carlos. Departamento de Genética e Evolução. São Carlos, SP, Brazil. | pt_BR |
dc.creator.affilliation | Czech Academy of Sciences. Institute of Animal Physiology and Genetics. Laboratory of Fish Genetics. Czech Republic. | pt_BR |
dc.creator.affilliation | University of Canberra. Instituto for Applied Ecology. Canberra, ACT, Australia. | pt_BR |
dc.creator.affilliation | Universidade Federal de São Carlos. Departamento de Genética e Evolução. São Carlos, SP, Brazil. | pt_BR |
dc.creator.affilliation | Instituto Nacional de Pesquisas da Amazônia. Coordenação de Biodiversidade. Laboratório de Genética Animal. Petrópolis, AM, Brazil. | pt_BR |
dc.creator.affilliation | Instituto Nacional de Pesquisas da Amazônia. Coordenação de Biodiversidade. Laboratório de Genética Animal. Petrópolis, AM, Brazil. | pt_BR |
dc.creator.affilliation | Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Laboratório de Cultura de Tecidos e Citogenética. Ananindeua, PA, Brasil. | pt_BR |
dc.creator.affilliation | Universidade Federal de São Carlos. Departamento de Genética e Evolução. São Carlos, SP, Brazil. | pt_BR |
dc.identifier.doi | 10.1590/1982-0224-2020-0055 | - |