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INDUCTION OF SPAWNING AND OOCYTE MATURATION IN STARFISH BY 1-METHYL-ADENOSINE MONOPHOSPHATE

✍ Scribed by HIROKO SHIRAI; HARUO KANATANI


Book ID
108942116
Publisher
John Wiley and Sons
Year
1973
Tongue
English
Weight
387 KB
Volume
15
Category
Article
ISSN
0012-1592

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Induction of starfish oocyte maturation
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Maturation-promoting factor (MPF) has been known to be produced in the cytoplasm of starfish and amphibian oocytes, where it triggers meiotic maturation. Cytoplasm obtained from maturing oocytes of either mouse or surf clam was found to induce maturation when injected into immature starfish oocytes.

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## Abstract Fully grown oocytes of starfish __(Asterias forbesi)__ are normally arrested in the dictyate stage of meiosis within the ovary. Reinitiation of meiotic maturation in these oocytes appears to be induced as a result of the interaction of 1‐methyladenine (1‐MA) with the oocyte surface. The