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Dynamics of cyclins after initiation of spermatogenesis in a teleost, Japanese eel Anguilla japonica
Kajiura-Kobayashi, H.; Kobayashi, T.; Nagahama, Y. (2000). Dynamics of cyclins after initiation of spermatogenesis in a teleost, Japanese eel Anguilla japonica, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 257
In: Norberg, B. et al. (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. International Symposium on the Reproductive Physiology of Fish, 6. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., more
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales. , more
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Keyword
    Marine/Coastal
Authors  Top 
  • Kajiura-Kobayashi, H.
  • Kobayashi, T.
  • Nagahama, Y.
Abstract
    To clarify the molecular mechanism regulating the initiation of spermatogenesis, we isolated cyclin B1 and B2 cDNA and examined the expression of both cyclin B mRNA, protein and cyclin B/cdc2 kinase activity during spermatogenesis after the initiation of spermatogenesis by the hormonal induction. Cyclin B1 and B2 mRNA levels increased after the initiation of spermatogenesis and during spermatogonial proliferation. Change in H1 kinase activity of cyclin B1/cdc2 and cyclin B2/cdc2 showed that both displayed activity after the initiation of spermatogonial proliferation.
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