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Isolation and biological activity of the proteases released by sea urchin eggs following fertilization.
- E. Carroll, D. Epel
- Biology, Medicine
- Developmental biology
- 1 May 1975
Abstract The protease activity released from sea urchin egg cortical granules into the surrounding seawater at fertilization is involved in vitelline layer elevation and the block to polyspermy. The… Expand
A method for hormonal induction of sperm release in anurans (eight species) and in vitro fertilization in Lepidobatrachus species
- W. L. Waggener, E. Carroll
- Biology, Medicine
- Development, growth & differentiation
- 1 February 1998
Injections of synthetic human gonadotropin releasing hormone (GnRH) into the dorsal pelvic area were used in an attempt to stimulate sperm release in isolated males of eight anuran species including… Expand
Is calcium ionophore a universal activator for unfertilised eggs?
- R. Steinhardt, D. Epel, E. Carroll, R. Yanagimachi
- Biology, Medicine
- Nature
- 1 November 1974
WE have previously exposed sea urchin eggs to micromolar amounts of the divalent transporting ionophore A23187, and observed every parameter of normal fertilisation. The cortical reaction with… Expand
Structure and Macromolecular Composition of the Egg and Embryo Jelly Coats of the Anuran Lepidobatrachus laevis
- E. Carroll, S. H. Wei, G. Nagel, R. Ruibal
- Biology
- 1 February 1991
Eggs and cleavage‐stage embryos of the frog Lepidobatrachus laevis are encased by 3 μm thick vitelline/fertilization envelope and two jelly layers, termed J1 (innermost) and J2 (outermost). Based on… Expand
Resolution and characterization of a major protein of the sea urchin hyaline layer.
- J. Gray, R. Justice, G. Nagel, E. Carroll
- Medicine, Chemistry
- The Journal of biological chemistry
- 15 July 1986
A major protein component of the gel-like, embryonic hyaline layer of Strongylocentrotus purpuratus has been purified and characterized. The protein retains the ability to form an insoluble gel in… Expand
Sea urchin embryo fertilization envelope: immunological evidence that soluble envelope proteins are derived from cortical granule secretions.
- M. N. Villacorta-Moeller, E. Carroll
- Biology, Medicine
- Developmental biology
- 1 December 1982
Abstract Although structural studies support the hypothesis that the sea urchin embryo fertilization envelope is derived from the preexisting vitelline envelope template and structural proteins… Expand
Partial purification and characterization of sperm receptor hydrolase, a cortical granule proteoesterase, from eggs of the sea urchin Strongylocentrotus purpuratus
- A. Lois, Debora A. Lackey, E. Carroll
- Biology
- 1 August 1986
Sperm receptor hydrolase, one of two classes of cortical granule proteoesterases (E.C.3.4.4.4) was purified approximately 30-fold with 80% yield from Strongylocentrotus purpuratus cortical granule… Expand
Structure, assembly and function of the surface envelope (fertilization envelope) from eggs of the sea urchin, Strongylocentrotus purpuratus.
- E. Carroll, M. Acevedo-Duncan, R. Justice, L. Santiago
- Chemistry, Medicine
- Advances in experimental medicine and biology
- 1986
The sea urchin fertilization envelope (FE) is formed following initial sperm-egg interaction from the egg surface vitelline envelope (VE) and the paracrystalline protein fraction (PCF), derived from… Expand
[28] Cortical granule proteases from sea urchin eggs
- E. Carroll
- Biology
- 1976
Publisher Summary Sea urchin eggs contain protease activity in the cortical granules, a set of secretory organelles adjacent to the plasma membrane. After the fusion of cortical granule and plasma… Expand
A calcium-insoluble 6.4 S protein derived from sea urchin cortical granule exudate.
- R. Justice, C. Gottschling, E. Carroll, G. Nagel
- Chemistry, Medicine
- Archives of biochemistry and biophysics
- 15 August 1988
A major protein component of the sea urchin, Strongylocentrotus purpuratus, cortical granule exudate has been purified and characterized. In the absence of divalent cations, the native, soluble… Expand
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