First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)

Fil: Takagui, Fábio Hiroshi. Universidad Estatal de Londrina. Centro de Ciencias Biológicas. Departamento de Biología General. Laboratorio de Citogenética Animal; Brasil.

Guardado en:
Detalles Bibliográficos
Autores principales: Takagui, Fábio Hiroshi, Dias, Ana Lucia, Olivan Birindelli, José Luís, Swarça, Ana Claudia, Da Rosa, Renata, Lui, Roberto Laridondo, Fenocchio, Alberto Sergio, Giuliano-Caetano, Lucia
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: Pensoft 2017
Materias:
Centric fusión
Chromosomal rearrangements
Diploid number
Neotropical fish
Pericentric inversions
Supernumerary chromosome
Acceso en línea:https://hdl.handle.net/20.500.12219/4339
Aporte de:
Repositorio Institucional Digital de la UNaM (RIDUNAM) de Universidad Nacional de Misiones
id I77-R195-20.500.12219-4339
record_format dspace
spelling I77-R195-20.500.12219-43392024-06-04T10:16:22Z First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae) Takagui, Fábio Hiroshi Dias, Ana Lucia Olivan Birindelli, José Luís Swarça, Ana Claudia Da Rosa, Renata Lui, Roberto Laridondo Fenocchio, Alberto Sergio Giuliano-Caetano, Lucia Centric fusión Chromosomal rearrangements Diploid number Neotropical fish Pericentric inversions Supernumerary chromosome Fil: Takagui, Fábio Hiroshi. Universidad Estatal de Londrina. Centro de Ciencias Biológicas. Departamento de Biología General. Laboratorio de Citogenética Animal; Brasil. Fil: Dias, Ana Lucia. Universidad Estatal de Londrina. Centro de Ciencias Biológicas. Departamento de Biología General. Laboratorio de Citogenética Animal; Brasil. Fil: Olivan Birindelli, José Luís. Universidad Estatal de Londrina. Centro de Ciencias Biológicas. Departamento de Biología animal y vegetal. Museo de Zoología; Brasil. Fil: Swarça, Ana Claudia. Universidad Estatal de Londrina. Centro de Ciencias Biológicas. Departamento de Histología. Laboratorio de Histología y Genética; Brasil. Fil: Da Rosa, Renata. Universidad Estatal de Londrina. Centro de Ciencias Biológicas. Departamento de Biología General. Laboratorio de Citogenética Animal; Brasil. Fil: Lui, Roberto Laridondo. Universidad del Oeste de Paraná. Centro de Ciencias Biológicas y de la Salud. Laboratorio de Citogenética; Brasil. Fil: Fenocchio, Alberto Sergio. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Departamento de Genética. Laboratorio de Citogenética General; Argentina. Fil: Giuliano-Caetano, Lucia. Universidad Estatal de Londrina. Centro de Ciencias Biológicas. Departamento de Biología General. Laboratorio de Citogenética Animal; Brasil. The family Doradidae (Siluriformes) is an important group of fishes endemic to freshwater ecosystems in South America. Some cytogenetic studies have been conducted focused on the group; however, there are no reports on the occurrence of B chromosomes for the family. In this paper the chromosomal characteristics of Platydoras armatulus (Valenciennes, 1840), Pterodoras granulosus (Valenciennes, 1821) and Ossancora punctata (Kner, 1855) were investigated through classical cytogenetics approaches. The conventional staining reveals 2n=58 in Platydoras armatulus and Pterodoras granulosus, however with distinct karyotypic formulae, possibly originated by pericentric inversions. In Ossancora punctata a derivate karyotype was described with 2n=66 and predominance of acrocentric chromosomes. The C banding pattern was resolutive in discriminating the three species, being considered an important cytotaxonomic marker. All species showed B chromosomes totally heterochromatic with non-Mendelian segregation during meiosis and low frequencies in mitotic cells. The probably origin of these additional elements was through fragmentations of chromosomes of the standard complement, which occurred recently and independently in these three species. The diploid number observed in O. punctata is an evidence of centric fusions and up to the moment it is the highest diploid number reported for Doradidae. 2017-01-09 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion https://hdl.handle.net/20.500.12219/4339 eng info:eu-repo/semantics/altIdentifier/url/https://compcytogen.pensoft.net/articles.php?id=10496 info:eu-repo/semantics/openAccess application/pdf application/pdf 555.1 KB Pensoft
institution Universidad Nacional de Misiones
institution_str I-77
repository_str R-195
collection Repositorio Institucional Digital de la UNaM (RIDUNAM)
language Inglés
topic Centric fusión
Chromosomal rearrangements
Diploid number
Neotropical fish
Pericentric inversions
Supernumerary chromosome
spellingShingle Centric fusión
Chromosomal rearrangements
Diploid number
Neotropical fish
Pericentric inversions
Supernumerary chromosome
Takagui, Fábio Hiroshi
Dias, Ana Lucia
Olivan Birindelli, José Luís
Swarça, Ana Claudia
Da Rosa, Renata
Lui, Roberto Laridondo
Fenocchio, Alberto Sergio
Giuliano-Caetano, Lucia
First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)
topic_facet Centric fusión
Chromosomal rearrangements
Diploid number
Neotropical fish
Pericentric inversions
Supernumerary chromosome
description Fil: Takagui, Fábio Hiroshi. Universidad Estatal de Londrina. Centro de Ciencias Biológicas. Departamento de Biología General. Laboratorio de Citogenética Animal; Brasil.
format Artículo
Artículo
publishedVersion
author Takagui, Fábio Hiroshi
Dias, Ana Lucia
Olivan Birindelli, José Luís
Swarça, Ana Claudia
Da Rosa, Renata
Lui, Roberto Laridondo
Fenocchio, Alberto Sergio
Giuliano-Caetano, Lucia
author_facet Takagui, Fábio Hiroshi
Dias, Ana Lucia
Olivan Birindelli, José Luís
Swarça, Ana Claudia
Da Rosa, Renata
Lui, Roberto Laridondo
Fenocchio, Alberto Sergio
Giuliano-Caetano, Lucia
author_sort Takagui, Fábio Hiroshi
title First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)
title_short First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)
title_full First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)
title_fullStr First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)
title_full_unstemmed First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)
title_sort first report of b chromosomes in three neotropical thorny catfishes (siluriformes, doradidae)
publisher Pensoft
publishDate 2017
url https://hdl.handle.net/20.500.12219/4339
work_keys_str_mv AT takaguifabiohiroshi firstreportofbchromosomesinthreeneotropicalthornycatfishessiluriformesdoradidae
AT diasanalucia firstreportofbchromosomesinthreeneotropicalthornycatfishessiluriformesdoradidae
AT olivanbirindellijoseluis firstreportofbchromosomesinthreeneotropicalthornycatfishessiluriformesdoradidae
AT swarcaanaclaudia firstreportofbchromosomesinthreeneotropicalthornycatfishessiluriformesdoradidae
AT darosarenata firstreportofbchromosomesinthreeneotropicalthornycatfishessiluriformesdoradidae
AT luirobertolaridondo firstreportofbchromosomesinthreeneotropicalthornycatfishessiluriformesdoradidae
AT fenocchioalbertosergio firstreportofbchromosomesinthreeneotropicalthornycatfishessiluriformesdoradidae
AT giulianocaetanolucia firstreportofbchromosomesinthreeneotropicalthornycatfishessiluriformesdoradidae
_version_ 1809776543803637760

Ejemplares similares