Relaxation of selective constraints on avian mitochondrial DNA following the degeneration of flight ability.

@article{Shen2009RelaxationOS,
  title={Relaxation of selective constraints on avian mitochondrial DNA following the degeneration of flight ability.},
  author={Yong-yi Shen and Peng D. Shi and Yan-Bo Sun and Yaping Zhang},
  journal={Genome research},
  year={2009},
  volume={19 10},
  pages={1760-5}
}
The evolution of flight is the most important feature of birds, and this ability has helped them become one of the most successful groups of vertebrates. However, some species have independently lost their ability to fly. The degeneration of flight ability is a long process, and some species remain transitional locomotive models. Most of the energy required for locomotion is supplied by mitochondria via oxidative phosphorylation. Thus, rapidly flying birds should require a more energy efficient… CONTINUE READING
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Analysis of selective constraints on mitochondrial DNA, Flight ability and physiological index on avian

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