ENDOGENOUS PHOSPHORYLATED PROTEINS DURING MATURATION OF XENOPUS-LAEVIS OOCYTES

被引:20
作者
BELLE, R
BOYER, J
OZON, R
机构
[1] Laboratoire de Physiologie de la Reproduction, Era, Cnrs 694, Université Pierre Et Marie Curie, Paris
来源
GAMETE RESEARCH | 1979年 / 2卷 / 02期
关键词
chloera toxin; methylxanthines; phosphorylation; progesterone‐induced maturation;
D O I
10.1002/mrd.1120020205
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
During the course of maturation of Xenopus laevis oocyte a burst of phosphorylation occurs around germinal vesicle breakdown. At the same time a relative drop in a unique phosphoprotein (protein I; mot wt ∼40,000) is observed. Enucleation of [32P] labeled oocytes has shown the cytoplasmic localization of protein I. Methylxanthines and cholera toxin, which inhibit progesterone‐induced maturation, block the burst of phosphorylation and do not change the amount or the distribution of [32P] phosphoproteins. Copyright © 1979 Alan R. Liss, Inc.
引用
收藏
页码:137 / 145
页数:9
相关论文
共 18 条
[1]  
BELLE R, 1978, BIOL CELLULAIRE, V32, P97
[2]   AMPHIBIAN OOCYTE MATURATION AND PROTEIN-SYNTHESIS - RELATED INHIBITION BY CYCLIC-AMP, THEOPHYLLINE, AND PAPAVERINE [J].
BRAVO, R ;
OTERO, C ;
ALLENDE, CC ;
ALLENDE, JE .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1978, 75 (03) :1242-1246
[3]   OOCYTE MATURATION IN VITRO - CONTRIBUTION OF OVIDUCT TO TOTAL MATURATION IN XENOPUS-LAEVIS [J].
BRUN, R .
EXPERIENTIA, 1975, 31 (11) :1275-1276
[5]  
GODEAU F, 1978, CR ACAD SCI D NAT, V286, P685
[6]  
KRUEGER BK, 1977, J BIOL CHEM, V252, P2764
[7]   CLEAVAGE OF STRUCTURAL PROTEINS DURING ASSEMBLY OF HEAD OF BACTERIOPHAGE-T4 [J].
LAEMMLI, UK .
NATURE, 1970, 227 (5259) :680-+
[8]  
LOWRY OH, 1951, J BIOL CHEM, V193, P265
[9]   CHANGES IN PROTEIN-PHOSPHORYLATION ACCOMPANYING MATURATION OF XENOPUS-LAEVIS OOCYTES [J].
MALLER, J ;
WU, M ;
GERHART, JC .
DEVELOPMENTAL BIOLOGY, 1977, 58 (02) :295-312
[10]  
MALLER JL, 1977, J BIOL CHEM, V252, P1712