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ECB-ART-52204
Dev Growth Differ 1975 Jan 01;174:335-340. doi: 10.1111/j.1440-169X.1975.00335.x.
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MEMBRANE REACTIONS DURING FERTILIZATION AND 1-METHYLADENINE STIMULATION IN IMMATURE STARFISH OOCYTES.

Lee HH , Goll E , Plenzler M .


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Immature oocytes from starfishes were obtained during the breeding and non-breeding seasons. The oocytes were "fertilized" without previous induction of maturation by 1-methyladenine (1-MA) or germinal vesicle breakdown (GVB). Elevation of the fertilization membrane (FM) was observed with eggs obtained during the breeding season, but not observed with eggs obtained during the non-breeding season. Abnormal development was observed when these "fertilized" eggs with a FM were subsequently treated with 1-MA. The results of these experiments indicated that the elevation of FM was independent of GVB or the mixing of nuclear and cytoplasmic components.

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