HATCHING OF ILYANASSA OBSOLETA EMBRYOS: DEGRADATION OF THE EGG CAPSULE PLUG IN THE ABSENCE OF DETECTABLE PROTEOLYSIS OF THE MAJOR PLUG PROTEINS.

@article{Sullivan1985HATCHINGOI,
  title={HATCHING OF ILYANASSA OBSOLETA EMBRYOS: DEGRADATION OF THE EGG CAPSULE PLUG IN THE ABSENCE OF DETECTABLE PROTEOLYSIS OF THE MAJOR PLUG PROTEINS.},
  author={C. H. Sullivan and D. Bonar},
  journal={The Biological bulletin},
  year={1985},
  volume={169 2},
  pages={
          365-376
        }
}
The mechanism of action of the hatching substance released by Ilyanassa obsoleta embryos was examined by studying the sequential ultrastructural and biochemical changes that occur in the egg capsule plug as it is dissolved during hatching. When release of the hatching substance is triggered by incubating prehatching embryos in KCl, the inner two layers of the capsule wall (L3 and L4) that extend into the apex to form the plug separate from one another, but only in this region. The hatching… Expand
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