Banding pattern of A and B chromosomes of Prochilodus lineatus (Characiformes, Prochilodontidae), with comments on B chromosomes evolution

Banding pattern of A and B chromosomes of Prochilodus lineatus (Characiformes, Prochilodontidae), with comments on B chromosomes evolution

Autor Artoni, Roberto Ferreira Google Scholar
Vicari, Marcelo Ricardo Google Scholar
Endler, Alexandra Lidiane Google Scholar
Cavallaro, Zelia Isabel Google Scholar
Maria de Jesus, Celia Google Scholar
Cristina de Almeida, Mara Google Scholar
Moreira-Filho, Orlando Google Scholar
Bertollo, Antonio Carlos Google Scholar
Instituição Univ Estadual Ponta Grossa
Universidade Federal de São Paulo (UNIFESP)
Resumo B chromosomes in Prochilodus lineatus, a migratory neotropical fish, were analyzed in a comparative study among populations from the Dourada lagoon (State of Parana Brazil) and from Mogi-Guacu river (State of São Paulo, Brazil). the data on C-banding and fluorescent in situ hybridization with a satellite DNA probe (SATH1), indicate that the small metacentric B chromosome might correspond to an isochromosome. On the other hand, both populations presented a distinct set of B chromosomes, differentiated either by their number and by the presence of variant B types in the population from Mogi-Guacu river. the present results indicate that the B chromosomes of P. lineatus should have an ancient origin, and have undergone a differential evolutionary pathway among distinct populations.
Palavra-chave B chromosomes
isochromosomes
Prochilodus lineatus
repetitive DNA
Idioma Inglês
Data de publicação 2006-05-01
Publicado em Genetica. Dordrecht: Springer, v. 127, n. 1-3, p. 277-284, 2006.
ISSN 0016-6707 (Sherpa/Romeo, fator de impacto)
Publicador Springer
Extensão 277-284
Fonte http://dx.doi.org/10.1007/s10709-005-4846-1
Direito de acesso Acesso restrito
Tipo Artigo
Web of Science WOS:000239164900024
Endereço permanente http://repositorio.unifesp.br/handle/11600/28879

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