tion, and evidence from this study and others suggest that it may play a widespread functional role during fertilization and even during early development. "It is exciting to finally solve this century-old riddle. Now we want to take this result from sea urchins, who produce eggs that are easy to obtain and to study, and apply it more broadly," says the lead author on the study, Julian Wong.

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Contact: Heidi Hardman
hhardman@cell.com
1-617-397-2879
Cell Press
6-Dec-2004

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