Protein kinase activities during maturation in xenopus laevis oocytes |
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Authors: | Martine Wiblet |
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Institution: | Laboratoire de Cytologie et d''Embryologie moléculaires, Université Libre de Bruxelles, 67, rue des Chevaux, 1640 Rhode-Saint-Genèse, Belgique |
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Abstract: | Protein kinase activities have been compared in ovarian oocytes and in ovulated eggs of .In ovaries and ovarian oocytes, we have detected, in addition to an already known (1) cyclic AMP stimulated phosphoprotein kinase, a second very active phosphoprotein kinase which is cAMP-independent.Besides these two activities, a third protein kinase activity becomes detectable after maturation and ovulation: it is a cAMP and cGMP-dependent histone kinase. |
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