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- Title
A study of quantitative dynamics of F-actin during oocyte maturation in the starfish Asterias amurensis.
- Authors
Lamash, N.; Eliseikina, M.
- Abstract
We studied the actin cytoskeleton state in Asterias amurensis oocytes within 30 min after the 1-methyladenine-induced maturation until the germinal vesicle breakdown. The total amount of actin remained unchanged during oocyte maturation. In immature oocytes, the major part of actin is not a part of filaments, but in the presence of 1-methyladenine massive actin polymerization began already within 20 min. Electron immunocytochemistry methods demonstrated joint localization of actin and αi-protein in the cytoplasm. They were redistributed from the cortex to the cytoplasm in the presence of 1-methyladenine. A possible involvement of actin cytoskeleton in transmembrane transduction of the hormonal signal at the postreceptor stages is discussed.
- Subjects
ACTIN; CELL growth; CYTOSKELETON formation; GROWTH factors; OOGENESIS; ASTERIAS amurensis
- Publication
Russian Journal of Developmental Biology, 2006, Vol 37, Issue 4, p224
- ISSN
1062-3604
- Publication type
Article
- DOI
10.1134/S1062360406040035