Nuclear ribosomal DNA monophyly versus mitochondrial DNA polyphyly in two closely related mite species: the influence of life history and molecular drive.

@article{Navajas2003NuclearRD,
  title={Nuclear ribosomal DNA monophyly versus mitochondrial DNA polyphyly in two closely related mite species: the influence of life history and molecular drive.},
  author={Maria Navajas and P Boursot},
  journal={Proceedings. Biological sciences},
  year={2003},
  volume={270 Suppl 1},
  pages={S124-7}
}
In two very closely related but reproductively isolated mite species, Tetranychus urticae and T. turkestani, we found nucleotide diversity to be extensive for mitochondrial DNA (mtDNA) cytochrome oxidase 1 (COI) (3-4%) but extremely reduced for nuclear ribosomal DNA (rDNA) internal transcribed spacer (ITS2) (less than 0.5%). By contrast, ITS2 was shown to evolve much faster than COI between species of this genus. Furthermore, we found that these two species are polyphyletic for mtDNA but… CONTINUE READING
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