Polyspermic fertilization of sea urchin eggs treated with protease inhibitors: Localization of sperm receptor sites at the egg surface

The normal elevation of the fertilization membrane and the establishment of the block to polyspermy are retarded in Arbacia punctulata eggs by specific protease inhibitors, soybean trypsin inhibitor (SBTI), leupeptin, and antipain. Ultrastructural observations show that the vitelline layer remains a...

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Bibliographic Details

Published in:	Developmental biology Vol. 49; no. 1; pp. 178 - 184
Main Authors:	Schuel, Herbert, Longo, Frank J., Wilson, Walter L., Troll, Walter
Format:	Journal Article
Language:	English
Published:	United States Elsevier Inc 01-03-1976
Subjects:	Animals Cell Membrane - ultrastructure Enzyme Inhibitors - pharmacology Female Fertilization - drug effects Leupeptins - pharmacology Male Ovum - drug effects Ovum - ultrastructure Sea Urchins Spermatozoa Trypsin Inhibitors - pharmacology Vitelline Membrane - ultrastructure
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