Autophosphorylation of boar sperm membranes.
Copyright policy )Autophosphorylation of boar sperm membranes.
Boar sperm plasma membranes and the membranes released during an in vitro acrosome-like reaction were capable of autophosphorylation. The purified membranes were incubated in Tyrode's buffer containing [32P]ATP with or without Ca2+ and/or diacylglycerol. In both membrane fractions, Ca2+ plus diacylglycerol stimulated the autophosphorylation of several sperm membrane proteins. These results suggest a protein kinase C activity is present in sperm membranes and could play a role in the acrosome reaction.
Male, Swine, Cell Membrane, Membrane Proteins, Spermatozoa, Diglycerides, Calcium Chloride, Adenosine Triphosphate, Animals, Electrophoresis, Polyacrylamide Gel, Phosphorylation, Phosphorus Radioisotopes
Male, Swine, Cell Membrane, Membrane Proteins, Spermatozoa, Diglycerides, Calcium Chloride, Adenosine Triphosphate, Animals, Electrophoresis, Polyacrylamide Gel, Phosphorylation, Phosphorus Radioisotopes
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