Hormonal Control of Meiosis in Starfishes

Hormonal Control of Meiosis in Starfishes Development of starfish oocytes is blocked at the prophase stage of the first meiotic division. The resumption of meiotic divisions occurs under the effect of the maturation hormone 1-methyladenine (1-MeA), which binds to a specific receptor of the oocyte cell surface. New data in the literature on endocellular signal mechanisms taking part in conduction of the regulatory signal modulated by 1-MeA are adduced in the review. Data on the properties of the 1-MeA receptor are presented and mechanisms of biosynthesis of 1-MeA are considered. The main focus is on processes occurring in the oocyte during the first minutes after the impact of the hormone, before the destruction of the germinal vesicle. A hypothetical pattern of transduction of the hormonal signal is proposed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Hormonal Control of Meiosis in Starfishes

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2002 by MAIK "Nauka/Interperiodica"
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1023/A:1021840912349
Publisher site
See Article on Publisher Site

Abstract

Development of starfish oocytes is blocked at the prophase stage of the first meiotic division. The resumption of meiotic divisions occurs under the effect of the maturation hormone 1-methyladenine (1-MeA), which binds to a specific receptor of the oocyte cell surface. New data in the literature on endocellular signal mechanisms taking part in conduction of the regulatory signal modulated by 1-MeA are adduced in the review. Data on the properties of the 1-MeA receptor are presented and mechanisms of biosynthesis of 1-MeA are considered. The main focus is on processes occurring in the oocyte during the first minutes after the impact of the hormone, before the destruction of the germinal vesicle. A hypothetical pattern of transduction of the hormonal signal is proposed.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Oct 13, 2004

References

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