Hedgehog regulation of superficial slow muscle fibres in Xenopus and the evolution of tetrapod trunk myogenesis.

@article{Grimaldi2004HedgehogRO,
  title={Hedgehog regulation of superficial slow muscle fibres in Xenopus and the evolution of tetrapod trunk myogenesis.},
  author={Annalisa Grimaldi and Gianluca Tettamanti and Benjamin L Martin and William Gaffield and Mary E Pownall and Simon M Hughes},
  journal={Development},
  year={2004},
  volume={131 14},
  pages={3249-62}
}
In tetrapod phylogeny, the dramatic modifications of the trunk have received less attention than the more obvious evolution of limbs. In somites, several waves of muscle precursors are induced by signals from nearby tissues. In both amniotes and fish, the earliest myogenesis requires secreted signals from the ventral midline carried by Hedgehog (Hh) proteins. To determine if this similarity represents evolutionary homology, we have examined myogenesis in Xenopus laevis, the major species from… CONTINUE READING

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