Reduced Selection for Codon Usage Bias in Drosophila miranda

@article{Bachtrog2006ReducedSF,
  title={Reduced Selection for Codon Usage Bias in Drosophila miranda},
  author={Doris Bachtrog},
  journal={Journal of Molecular Evolution},
  year={2006},
  volume={64},
  pages={586-590}
}
Biased codon usage in many species results from a balance among mutation, weak selection, and genetic drift. Here I show that selection to maintain biased codon usage is reduced in Drosophila miranda relative to its ancestor. Analyses of mutation patterns in noncoding DNA suggest that the extent of this reduction cannot be explained by changes in mutation bias or by biased gene conversion. Low levels of variability in D. miranda relative to its sibling species, D. pseudoobscura, suggest that it… CONTINUE READING

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