Comparison of karyotypes of Acipenser oxyrinchus and A. sturio by chromosome banding and fluorescent in situ hybridization

@article{Fontana2007ComparisonOK,
  title={Comparison of karyotypes of Acipenser oxyrinchus and A. sturio by chromosome banding and fluorescent in situ hybridization},
  author={Francesco Fontana and Massimo Lanfredi and Frank Kirschbaum and Manuel A. Garrido-Ramos and Francisca Robles and Anna Forlani and Leonardo Congiu},
  journal={Genetica},
  year={2007},
  volume={132},
  pages={281-286}
}
A highly debated problem in Acipenseridae taxonomy is whether Acipenser oxyrinchus (North American Atlantic sturgeon) and A. sturio (European Atlantic sturgeon) are true species: a detailed comparison of their karyotypes could provide relevant information. Here we describe for the first time the karyotype of A. oxyrinchus (2n = 121 ± 3), and its features, among which the constitutive heterochromatin, revealed by C-banding technique, the distribution of telomeric regions, and the 5S rRNA genes… CONTINUE READING
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