Delayed somite formation in a quail line exhibiting myofiber hyperplasia is accompanied by delayed expression of myogenic regulatory factors and myosin heavy chain.

@article{Coutinho1993DelayedSF,
  title={Delayed somite formation in a quail line exhibiting myofiber hyperplasia is accompanied by delayed expression of myogenic regulatory factors and myosin heavy chain.},
  author={Luiz Lehmann Coutinho and John P. Morris and Henry L Marks and Raymond J. A. Buhr and Robert Ivarie},
  journal={Development},
  year={1993},
  volume={117 2},
  pages={563-9}
}
A myofiber hyperplastic quail line P has been developed through selection for heavy body weight. Since the number of muscle fibers is determined early in development and skeletal muscle originates from somites, we compared somite formation and muscle-specific gene expression in P- and control C-line quail embryos. At 47 hours of incubation, C embryos had 18 somite pairs and P embryos had 14.3. By 72 and 120 hours, both lines appeared to be at the same stage of somite development. To determine… CONTINUE READING

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