A new karyotype in Callicebus torquatus (Cebidae, primates)

Detalhes bibliográficos
Autor(a) principal: Barros, Regina M. S
Data de Publicação: 2000
Outros Autores: Pieczarka, Julio C, Brígido, Maria do Carmo O, Muniz, José Augusto Pereira Carneiro, Rodrigues, Luis R. R, Nagamachi, Cleusa Y
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Digital do Instituto Evandro Chagas (Patuá)
Texto Completo: https://patua.iec.gov.br/handle/iec/4631
Resumo: We describe a new karyotype of Callicebus torquatus using conventional staining, G-banding with Wright Stain, CBG, Ag-NOR staining and fluorescence in situ hybridization (FISH) with human telomere probes and comparative analysis with the previously reported karyotype of C. torquatus torquatus (2n = 20). We studied a female specimen maintained in captivity at the Centro Nacional de Primatas (Para, Brazil). This titi monkey presented 2n = 22, with four large biarmed and six acrocentric autosome pairs; the X chromosome is a medium submetacentric. C-bands were revealed at the centromeric region of all acrocentrics and X chromosome; punctual C-bands also are visualized at the centromeric region in the large biarmed pairs. The NOR site was located at the long arm of pair 4, at the position of a conspicuous secondary constriction. Hybridization signals were detected exclusively at the terminal region of all chromosomes. The karyotype described here has one acrocentric pair more than that found in the literature and also differs by amount and distribution of constitutive heterochromatin. Our data support the notion that the torquatus group may be composed of distinct species, each with its own karyotype.
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spelling Barros, Regina M. SPieczarka, Julio CBrígido, Maria do Carmo OMuniz, José Augusto Pereira CarneiroRodrigues, Luis R. RNagamachi, Cleusa Y2022-08-31T12:56:09Z2022-08-31T12:56:09Z2000BARROS, Regina M. S. et al. A new karyotype in Callicebus torquatus (Cebidae, primates). Hereditas, v. 133, n. 1, p. 55-58, 2000.DOI: https://doi.org/10.1111/j.1601-5223.2000.t01-1-00055.x. Disponível em: https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1601-5223.2000.t01-1-00055.x. Acesso em: 30 ago. 2022.0018-0661https://patua.iec.gov.br/handle/iec/463110.1111/j.1601-5223.2000.t01-1-00055.xWe describe a new karyotype of Callicebus torquatus using conventional staining, G-banding with Wright Stain, CBG, Ag-NOR staining and fluorescence in situ hybridization (FISH) with human telomere probes and comparative analysis with the previously reported karyotype of C. torquatus torquatus (2n = 20). We studied a female specimen maintained in captivity at the Centro Nacional de Primatas (Para, Brazil). This titi monkey presented 2n = 22, with four large biarmed and six acrocentric autosome pairs; the X chromosome is a medium submetacentric. C-bands were revealed at the centromeric region of all acrocentrics and X chromosome; punctual C-bands also are visualized at the centromeric region in the large biarmed pairs. The NOR site was located at the long arm of pair 4, at the position of a conspicuous secondary constriction. Hybridization signals were detected exclusively at the terminal region of all chromosomes. The karyotype described here has one acrocentric pair more than that found in the literature and also differs by amount and distribution of constitutive heterochromatin. Our data support the notion that the torquatus group may be composed of distinct species, each with its own karyotype.CNPq, CAPES, FINEP, FADESP and UFPA.Universidade Federal do Pará. Centro de Ciências Biológicas. Departamento de Genética. Belém, PA, Brazil.Universidade Federal do Pará. Centro de Ciências Biológicas. Departamento de Genética. Belém, PA, Brazil.Ministério da Saúde. Fundação Nacional de Saúde. Instituto Evandro Chagas. Centro Nacional de Primatas. Ananindeua, PA, Brasil.Ministério da Saúde. Fundação Nacional de Saúde. Instituto Evandro Chagas. Centro Nacional de Primatas. Ananindeua, PA, Brasil.Sem AfiliaçãoUniversidade Federal do Pará. Centro de Ciências Biológicas. Departamento de Genética. 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dc.title.pt_BR.fl_str_mv A new karyotype in Callicebus torquatus (Cebidae, primates)
title A new karyotype in Callicebus torquatus (Cebidae, primates)
spellingShingle A new karyotype in Callicebus torquatus (Cebidae, primates)
Barros, Regina M. S
Cebidae / anatomia & histologia
Cebidae / genética
Cariotipagem / métodos
Cariótipo
title_short A new karyotype in Callicebus torquatus (Cebidae, primates)
title_full A new karyotype in Callicebus torquatus (Cebidae, primates)
title_fullStr A new karyotype in Callicebus torquatus (Cebidae, primates)
title_full_unstemmed A new karyotype in Callicebus torquatus (Cebidae, primates)
title_sort A new karyotype in Callicebus torquatus (Cebidae, primates)
author Barros, Regina M. S
author_facet Barros, Regina M. S
Pieczarka, Julio C
Brígido, Maria do Carmo O
Muniz, José Augusto Pereira Carneiro
Rodrigues, Luis R. R
Nagamachi, Cleusa Y
author_role author
author2 Pieczarka, Julio C
Brígido, Maria do Carmo O
Muniz, José Augusto Pereira Carneiro
Rodrigues, Luis R. R
Nagamachi, Cleusa Y
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Barros, Regina M. S
Pieczarka, Julio C
Brígido, Maria do Carmo O
Muniz, José Augusto Pereira Carneiro
Rodrigues, Luis R. R
Nagamachi, Cleusa Y
dc.subject.decsPrimary.pt_BR.fl_str_mv Cebidae / anatomia & histologia
Cebidae / genética
Cariotipagem / métodos
Cariótipo
topic Cebidae / anatomia & histologia
Cebidae / genética
Cariotipagem / métodos
Cariótipo
description We describe a new karyotype of Callicebus torquatus using conventional staining, G-banding with Wright Stain, CBG, Ag-NOR staining and fluorescence in situ hybridization (FISH) with human telomere probes and comparative analysis with the previously reported karyotype of C. torquatus torquatus (2n = 20). We studied a female specimen maintained in captivity at the Centro Nacional de Primatas (Para, Brazil). This titi monkey presented 2n = 22, with four large biarmed and six acrocentric autosome pairs; the X chromosome is a medium submetacentric. C-bands were revealed at the centromeric region of all acrocentrics and X chromosome; punctual C-bands also are visualized at the centromeric region in the large biarmed pairs. The NOR site was located at the long arm of pair 4, at the position of a conspicuous secondary constriction. Hybridization signals were detected exclusively at the terminal region of all chromosomes. The karyotype described here has one acrocentric pair more than that found in the literature and also differs by amount and distribution of constitutive heterochromatin. Our data support the notion that the torquatus group may be composed of distinct species, each with its own karyotype.
publishDate 2000
dc.date.issued.fl_str_mv 2000
dc.date.accessioned.fl_str_mv 2022-08-31T12:56:09Z
dc.date.available.fl_str_mv 2022-08-31T12:56:09Z
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dc.identifier.citation.fl_str_mv BARROS, Regina M. S. et al. A new karyotype in Callicebus torquatus (Cebidae, primates). Hereditas, v. 133, n. 1, p. 55-58, 2000.DOI: https://doi.org/10.1111/j.1601-5223.2000.t01-1-00055.x. Disponível em: https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1601-5223.2000.t01-1-00055.x. Acesso em: 30 ago. 2022.
dc.identifier.uri.fl_str_mv https://patua.iec.gov.br/handle/iec/4631
dc.identifier.issn.-.fl_str_mv 0018-0661
dc.identifier.doi.pt_BR.fl_str_mv 10.1111/j.1601-5223.2000.t01-1-00055.x
identifier_str_mv BARROS, Regina M. S. et al. A new karyotype in Callicebus torquatus (Cebidae, primates). Hereditas, v. 133, n. 1, p. 55-58, 2000.DOI: https://doi.org/10.1111/j.1601-5223.2000.t01-1-00055.x. Disponível em: https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1601-5223.2000.t01-1-00055.x. Acesso em: 30 ago. 2022.
0018-0661
10.1111/j.1601-5223.2000.t01-1-00055.x
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