germinal vesicle breakdown
Springer Online Journal Archives 1860-2000
Summary Simultaneous addition of an aliquot of body fluid obtained from the surf clam,Spisula solidissina, enhanced oocyte germinal vesicle breakdown induced with serotonin but not with KCl. When the body fluid and serotonin were added sequentially to the oocytes, potentiation did not occur. Body fluids of both males and females were effective at a 200-fold dilution. The factor is stable when treated with heat, acid, base, trypsin and pronase. It is hydrophobic and not dialyzable through tubing with a molecular weight cutoff of 1000 daltons. The factor is probably not a protein.
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