Article
Sperm extract injection into ascidian eggs signals Ca2+ release by the same pathway as fertilization
1 Aug 2000
Abstract excerpt
Injection of eggs of various species with an extract of sperm cytoplasm stimulates intracellular Ca(2+) release that is spatially and temporally like that occurring at fertilization, suggesting that Ca(2+) release at fertilization may be initiated by a soluble factor from the sperm. Here we investigate whether the signalling pathway that leads to Ca(2+) release in response to sperm extract injection requires the...
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