Hemichordate neurulation and the origin of the neural tube.

@article{Miyamoto2013HemichordateNA,
  title={Hemichordate neurulation and the origin of the neural tube.},
  author={Norio Miyamoto and Hiroshi Wada},
  journal={Nature communications},
  year={2013},
  volume={4},
  pages={2713}
}
The origin of the body plan of our own phylum, Chordata, is one of the most fascinating questions in evolutionary biology. Yet, after more than a century of debate, the evolutionary origins of the neural tube and notochord remain unclear. Here we examine the development of the collar nerve cord in the hemichordate Balanoglossus simodensis and find shared gene expression patterns between hemichordate and chordate neurulation. Moreover, we show that the dorsal endoderm of the buccal tube and the… CONTINUE READING
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