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Conference Paper

Uptake of Oocyte Nuclear Proteins by Nuclei of Xenopus Embryos

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Dreyer,  C
Department Cell Biology, Max Planck Institute for Developmental Biology, Max Planck Society;

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Stick,  R       
Department Cell Biology, Max Planck Institute for Developmental Biology, Max Planck Society;

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Hausen,  P
Department Cell Biology, Max Planck Institute for Developmental Biology, Max Planck Society;

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Citation

Dreyer, C., Stick, R., & Hausen, P. (1986). Uptake of Oocyte Nuclear Proteins by Nuclei of Xenopus Embryos. In R. Peters, & M. Trendelenburg (Eds.), Nucleocytoplasmic Transport (pp. 143-157). Berlin, Germany: Springer.


Cite as: https://hdl.handle.net/21.11116/0000-000E-4661-6
Abstract
The Xenopus oocyte nucleus, or germinal vesicle, accumulates a variety of proteins during the several months of oocyte growth. Many of these nuclear proteins are probably stored for later use in embryogenesis (1–2).When the first meiotic division is completed during egg maturation, germinal vesicle breakdown leads to the loss of a compartment for the nuclear proteins (3, 4). They are distributed in the cytoplasm of the mature egg, mainly in the animal hemisphere where later in development most of the nuclei of the embryo will appear (3, 4). After fertilization, these proteins are reaccumulated by the newly generated nuclei of the embryo.