Direct Evidence for Ionic Messengers in the Two Phases of Metabolic Derepression at Fertilization in the Sea Urchin Egg


It has been proposed that the release of intracellular ionic calcium may be the universal factor promoting activation of egg metabolism at fertilization. If this hypothesis is valid, then fertilization and all parthenogenetic agents which evoke the entire program of activation would necessarily involve an intracellular rise in ionic calcium. Fertilization… (More)

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