Chromosomal diversity in Hypostomus (Siluriformes, Loricariidae) with emphasis on physical mapping of 18S and 5S rDNA sites.

@article{Traldi2013ChromosomalDI,
  title={Chromosomal diversity in Hypostomus (Siluriformes, Loricariidae) with emphasis on physical mapping of 18S and 5S rDNA sites.},
  author={Josiane Baccarin Traldi and Daniel Rodrigues Blanco and Marcelo Ricardo Vicari and Juliana de F{\'a}tima Martinez and Roberto Laridondo Lui and Alain Victor de Barros and Roberto Ferreira Artoni and Orlando Moreira-Filho},
  journal={Genetics and molecular research : GMR},
  year={2013},
  volume={12 1},
  pages={463-71}
}
We examined chromosomes of three species of the genus Hypostomus, in order to contribute to the understanding of the karyotype evolution of this group. Specimens of H. ancistroides and H. nigromaculatus displayed differences in karyotype formulas, distribution and location of heterochromatin and nucleolus organizer regions when compared to other populations of the same species. We made the first cytogenetic characterization of H. tapijara, an endemic species in the Ribeira de Iguape River… CONTINUE READING

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