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Repetitive DNA sequences play an important role in the structural and functional organization of chromosomes, especially in sex chromosome differentiation. The genus Triportheus represents anContinue Reading
  • Laura Rodrı́guez, Samarth S. Bhatt, +5 authors Thomas Liehr
  • Biology, Medicine
  • Gene
  • 2014 (First Publication: 1 February 2014)
  • Until now, few cases of partial trisomy of 3q due to segregation error of parental balanced translocation and segregation of a duplicated deficient product resulting from parental pericentricContinue Reading
  • Nuntiya Maneechot, Cássia Fernanda Yano, +7 authors Marcelo de Bello Cioffi
  • Medicine, Biology
  • Molecular Cytogenetics
  • 2016 (First Publication: 20 January 2016)
  • BackgroundThe genus Clarias (Clariidae, Siluriformes) contains at least 61 species naturally spread over vast regions of Asia, India and Africa. However, Clarias species have also been introduced inContinue Reading
  • Marcelo de Bello Cioffi, Petr Ráb, +16 authors M Isabel Fernandez Perez
  • Biology, Medicine
  • International journal of molecular sciences
  • 2019 (First Publication: 1 September 2019)
  • Arowanas (Osteoglossinae) are charismatic freshwater fishes with six species and two genera (Osteoglossum and Scleropages) distributed in South America, Asia, and Australia. In an attempt to provideContinue Reading
  • Marcelo de Bello Cioffi, Eduard Kejnovský, +4 authors Luiz Antônio Carlos Bertollo
  • Biology, Medicine
  • Molecular Cytogenetics
  • 2012 (First Publication: 1 June 2012)
  • Despite substantial progress, there are still several gaps in our knowledge about the process of sex chromosome differentiation. The degeneration of sex-specific chromosome in some species is wellContinue Reading
  • Felipe Faix Barby, Luiz Antônio Carlos Bertollo, +14 authors Marcelo de Bello Cioffi
  • Biology, Medicine
  • Scientific Reports
  • 2019 (First Publication: 4 February 2019)
  • Notopteridae (Teleostei, Osteoglossiformes) represents an old fish lineage with ten currently recognized species distributed in African and Southeastern Asian rivers. Their karyotype structures andContinue Reading
  • Rafael Kretschmer, Thays Duarte de Oliveira, +6 authors Thales Renato Ochotorena de Freitas
  • Medicine, Biology
  • Genetics and molecular biology
  • 2018 (First Publication: 19 February 2018)
  • Abstract An extensive karyotype variation is found among species belonging to the Columbidae family of birds (Columbiformes), both in diploid number and chromosomal morphology. Although clusters ofContinue Reading
  • Francisco de Menezes Cavalcante Sassi, Ezequiel Aguiar de Oliveira, +8 authors Marcelo de Bello Cioffi
  • Biology, Medicine
  • International journal of molecular sciences
  • 2019 (First Publication: 1 June 2019)
  • We present the first cytogenetic data for Lebiasina bimaculata and L. melanoguttata with the aim of (1) investigating evolutionary events within Lebiasina and their relationships with otherContinue Reading