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Flipping the switch: How a sperm activates the egg at fertilization

25 Jul 2007

Abstract excerpt

Sperm interaction with an egg in animals was first documented 160 years ago in sea urchins by Alphonse Derbès (1847) when he noted the formation of an "envelope" following the sperm's "approach" to the egg. The "envelope" in sea urchins is an obvious phenotype of fertilization in this animal and over the past 35 years has served to indicate a presence of calcium released from cytoplasmic stores essential to...

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PMID: 17654712
DOI: 10.1002/dvdy.21255

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