Cell proliferation and early differentiation during embryonic development and metamorphosis of Hydractinia echinata.

@article{Plickert1988CellPA,
  title={Cell proliferation and early differentiation during embryonic development and metamorphosis of Hydractinia echinata.},
  author={G{\"u}nter Plickert and Michael Kroiher and Antonia Munck},
  journal={Development},
  year={1988},
  volume={103 4},
  pages={795-803}
}
The early embryonic development of Hydractinia lasts about 2.5 days until the developing planula larva acquires competence for metamorphosis. Most embryonic cells stop cycling on reaching the larval stage. In older larvae of Hydractinia, cells that are still proliferating occur exclusively in the endoderm in a typical distribution along the longitudinal axis. During metamorphosis, proliferation activity begins again. The number of S-phase cells has increased by the 9th hour after induction of… CONTINUE READING

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