Molecular organization of 5S rDNA in sharks of the genus Rhizoprionodon: insights into the evolutionary dynamics of 5S rDNA in vertebrate genomes.

@article{Pinhal2009MolecularOO,
  title={Molecular organization of 5S rDNA in sharks of the genus Rhizoprionodon: insights into the evolutionary dynamics of 5S rDNA in vertebrate genomes.},
  author={Danillo Pinhal and Carlos Shigueru Araki and Otto Bismarck Fazzano Gadig and C{\'e}sar Martins},
  journal={Genetics research},
  year={2009},
  volume={91 1},
  pages={61-72}
}
In this study, we attempted a molecular characterization of the 5S rDNA in two closely related species of carcharhiniform sharks, Rhizoprionodon lalandii and Rhizoprionodon porosus, as well as a further comparative analysis of available data on lampreys, several fish groups and other vertebrates. Our data show that Rhizoprionodon sharks carry two 5S rDNA classes in their genomes: a short repeat class (termed class I) composed of approximately 185 bp repeats, and a large repeat class (termed… CONTINUE READING

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