Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional do INPA |
Texto Completo: | https://repositorio.inpa.gov.br/handle/1/14973 |
Resumo: | The genus Rhinella is one of the most diverse groups of bufonid toads, currently composed by 93 valid species and naturally distributed throughout different Neotropical ecoregions. Here, we analyze nine Brazilian populations of toads representing species of the Rhinella margaritifera and Rhinella marina groups. These new data include the first description of the R. hoogmoedi and R. proboscidae karyotypes, as well as other taxonomically unresolved forms. Chromosomal analysis of the populations revealed pronounced chromosomal uniformity (2n=22), including the diploid number and chromosomal morphology. Three different NOR-bearing chromosomes were identified: in the subterminal region of pair 10q in R. hoogmoedi, Rhinella sp. 1 and Rhinella sp. 2, in subterminal region of 7p in R. proboscidae and Rhinella cf. margaritifera while in R. henseli and R. icterica was detected in interstitial region of 7p. Karyotypic uniformity of the genus permits the inference of interspecific chromosome homologies and evolutionary changes in the NOR-bearing chromosome may represent an informative character in species group level. The review of the cytogenetic data of the Rhinella species together with the new karyotypes reported here contributes to the understanding of the chromosomal evolution of these toads, which karyotypes are highly conserved despite the ample distribution of many forms. © 2019, Sociedade Brasileira de Genética. |
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Bruschi, Daniel PachecoSousa, Deborah YasmimSoares, Amanda A.Carvalho, Klélia Aparecida deBusin, Carmen SílviaFicanha, Natália CristineLima, Albertina PimentalAndrade, Gilda VasconcellosPimentel, Shirlei Maria Recco2020-05-07T13:59:14Z2020-05-07T13:59:14Z2019https://repositorio.inpa.gov.br/handle/1/1497310.1590/1678-4685-gmb-2018-0139The genus Rhinella is one of the most diverse groups of bufonid toads, currently composed by 93 valid species and naturally distributed throughout different Neotropical ecoregions. Here, we analyze nine Brazilian populations of toads representing species of the Rhinella margaritifera and Rhinella marina groups. These new data include the first description of the R. hoogmoedi and R. proboscidae karyotypes, as well as other taxonomically unresolved forms. Chromosomal analysis of the populations revealed pronounced chromosomal uniformity (2n=22), including the diploid number and chromosomal morphology. Three different NOR-bearing chromosomes were identified: in the subterminal region of pair 10q in R. hoogmoedi, Rhinella sp. 1 and Rhinella sp. 2, in subterminal region of 7p in R. proboscidae and Rhinella cf. margaritifera while in R. henseli and R. icterica was detected in interstitial region of 7p. Karyotypic uniformity of the genus permits the inference of interspecific chromosome homologies and evolutionary changes in the NOR-bearing chromosome may represent an informative character in species group level. The review of the cytogenetic data of the Rhinella species together with the new karyotypes reported here contributes to the understanding of the chromosomal evolution of these toads, which karyotypes are highly conserved despite the ample distribution of many forms. © 2019, Sociedade Brasileira de Genética.Volume 42, Número 2, Pags. 445-451Attribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessAnimals ExperimentBrazilianChromosome AnalysisChromosome NorCytogeneticsDiploidyKaryotypeNonhumanRhinella MarinaSpecies ComplexComparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotypeinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleGenetics and Molecular Biologyengreponame:Repositório Institucional do INPAinstname:Instituto Nacional de Pesquisas da Amazônia (INPA)instacron:INPAORIGINALartigo-inpa.pdfapplication/pdf1122725https://repositorio.inpa.gov.br/bitstream/1/14973/1/artigo-inpa.pdf941489dd26254faf44274f1f3478a34dMD51CC-LICENSElicense_rdfapplication/octet-stream914https://repositorio.inpa.gov.br/bitstream/1/14973/2/license_rdf4d2950bda3d176f570a9f8b328dfbbefMD521/149732020-07-14 10:30:15.78oai:repositorio:1/14973Repositório de PublicaçõesPUBhttps://repositorio.inpa.gov.br/oai/requestopendoar:2020-07-14T14:30:15Repositório Institucional do INPA - Instituto Nacional de Pesquisas da Amazônia (INPA)false |
dc.title.en.fl_str_mv |
Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype |
title |
Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype |
spellingShingle |
Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype Bruschi, Daniel Pacheco Animals Experiment Brazilian Chromosome Analysis Chromosome Nor Cytogenetics Diploidy Karyotype Nonhuman Rhinella Marina Species Complex |
title_short |
Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype |
title_full |
Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype |
title_fullStr |
Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype |
title_full_unstemmed |
Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype |
title_sort |
Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype |
author |
Bruschi, Daniel Pacheco |
author_facet |
Bruschi, Daniel Pacheco Sousa, Deborah Yasmim Soares, Amanda A. Carvalho, Klélia Aparecida de Busin, Carmen Sílvia Ficanha, Natália Cristine Lima, Albertina Pimental Andrade, Gilda Vasconcellos Pimentel, Shirlei Maria Recco |
author_role |
author |
author2 |
Sousa, Deborah Yasmim Soares, Amanda A. Carvalho, Klélia Aparecida de Busin, Carmen Sílvia Ficanha, Natália Cristine Lima, Albertina Pimental Andrade, Gilda Vasconcellos Pimentel, Shirlei Maria Recco |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Bruschi, Daniel Pacheco Sousa, Deborah Yasmim Soares, Amanda A. Carvalho, Klélia Aparecida de Busin, Carmen Sílvia Ficanha, Natália Cristine Lima, Albertina Pimental Andrade, Gilda Vasconcellos Pimentel, Shirlei Maria Recco |
dc.subject.eng.fl_str_mv |
Animals Experiment Brazilian Chromosome Analysis Chromosome Nor Cytogenetics Diploidy Karyotype Nonhuman Rhinella Marina Species Complex |
topic |
Animals Experiment Brazilian Chromosome Analysis Chromosome Nor Cytogenetics Diploidy Karyotype Nonhuman Rhinella Marina Species Complex |
description |
The genus Rhinella is one of the most diverse groups of bufonid toads, currently composed by 93 valid species and naturally distributed throughout different Neotropical ecoregions. Here, we analyze nine Brazilian populations of toads representing species of the Rhinella margaritifera and Rhinella marina groups. These new data include the first description of the R. hoogmoedi and R. proboscidae karyotypes, as well as other taxonomically unresolved forms. Chromosomal analysis of the populations revealed pronounced chromosomal uniformity (2n=22), including the diploid number and chromosomal morphology. Three different NOR-bearing chromosomes were identified: in the subterminal region of pair 10q in R. hoogmoedi, Rhinella sp. 1 and Rhinella sp. 2, in subterminal region of 7p in R. proboscidae and Rhinella cf. margaritifera while in R. henseli and R. icterica was detected in interstitial region of 7p. Karyotypic uniformity of the genus permits the inference of interspecific chromosome homologies and evolutionary changes in the NOR-bearing chromosome may represent an informative character in species group level. The review of the cytogenetic data of the Rhinella species together with the new karyotypes reported here contributes to the understanding of the chromosomal evolution of these toads, which karyotypes are highly conserved despite the ample distribution of many forms. © 2019, Sociedade Brasileira de Genética. |
publishDate |
2019 |
dc.date.issued.fl_str_mv |
2019 |
dc.date.accessioned.fl_str_mv |
2020-05-07T13:59:14Z |
dc.date.available.fl_str_mv |
2020-05-07T13:59:14Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://repositorio.inpa.gov.br/handle/1/14973 |
dc.identifier.doi.none.fl_str_mv |
10.1590/1678-4685-gmb-2018-0139 |
url |
https://repositorio.inpa.gov.br/handle/1/14973 |
identifier_str_mv |
10.1590/1678-4685-gmb-2018-0139 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Volume 42, Número 2, Pags. 445-451 |
dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Genetics and Molecular Biology |
publisher.none.fl_str_mv |
Genetics and Molecular Biology |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional do INPA instname:Instituto Nacional de Pesquisas da Amazônia (INPA) instacron:INPA |
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INPA |
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Repositório Institucional do INPA |
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