Published in Biochim Biophys Acta on January 21, 1976
Induction of maturation (meiosis) in small Xenopus laevis oocytes by injection of maturation promoting factor. Proc Natl Acad Sci U S A (1976) 0.85
Okadaic acid, a specific protein phosphatase inhibitor, induces maturation and MPF formation in Xenopus laevis oocytes. FEBS Lett (1989) 1.79
A major substrate of maturation promoting factor identified as elongation factor 1 beta gamma delta in Xenopus laevis. J Biol Chem (1991) 1.64
Molecular cloning of Xenopus elongation factor 1 gamma, major M-phase promoting factor substrate. Nucleic Acids Res (1991) 1.42
Xenopus laevis oocyte calmodulin in the process of meiotic maturation. J Biol Chem (1980) 1.30
Differential regulation of Cdc2 and Cdk2 by RINGO and cyclins. J Biol Chem (2001) 1.25
Phosphatase 2A and polo kinase, two antagonistic regulators of cdc25 activation and MPF auto-amplification. J Cell Sci (1999) 1.20
Progesterone regulates the accumulation and the activation of Eg2 kinase in Xenopus oocytes. J Cell Sci (2000) 1.18
MPF amplification in Xenopus oocyte extracts depends on a two-step activation of cdc25 phosphatase. Exp Cell Res (1998) 1.16
Isolation and characterization of a tyrosyl phosphatase activator from rabbit skeletal muscle and Xenopus laevis oocytes. Biochemistry (1990) 1.15
The pure inhibitor of cAMP-dependent protein kinase initiates Xenopus laevis meiotic maturation. A 4-step scheme for meiotic maturation. Mol Cell Endocrinol (1981) 1.12
Cellular effects of olomoucine, an inhibitor of cyclin-dependent kinases. Biol Cell (1995) 1.12
Molecular cloning of a new guanine nucleotide-exchange protein, EF1 delta. Nucleic Acids Res (1992) 1.09
Germinal vesicle breakdown in the Xenopus laevis oocyte: description of a transient microtubular structure. Reprod Nutr Dev (1981) 1.09
M-phase-specific cdc2 protein kinase phosphorylates the beta subunit of casein kinase II and increases casein kinase II activity. Eur J Biochem (1990) 1.06
A purified complex from Xenopus oocytes contains a p47 protein, an in vivo substrate of MPF, and a p30 protein respectively homologous to elongation factors EF-1 gamma and EF-1 beta. FEBS Lett (1989) 1.05
Tyrosine phosphorylation of p34cdc2 and p42 during meiotic maturation of Xenopus oocyte. Antagonistic action of okadaic acid and 6-DMAP. Development (1991) 1.04
In vivo activation of a microtubule-associated protein kinase during meiotic maturation of the Xenopus oocyte. Eur J Biochem (1990) 1.03
Elongation factor EF-1 delta, a new target for maturation-promoting factor in Xenopus oocytes. J Biol Chem (1994) 1.03
Levels of microtubules during the meiotic maturation of the Xenopus oocyte. J Cell Sci (1987) 1.01
Purification and characterization of a casein-kinase-II-type enzyme from Xenopus laevis ovary. Biological effects on the meiotic cell division of full-grown oocyte. Eur J Biochem (1988) 0.98
Direct activation of protein phosphatase-2A0 by HIV-1 encoded protein complex NCp7:vpr. FEBS Lett (1997) 0.96
Microinjected progesterone reinitiates meiotic maturation of Xenopus laevis oocytes. Proc Natl Acad Sci U S A (1982) 0.96
Cyclic AMP synthesis in Xenopus laevis oocytes: inhibition by progesterone. Biochim Biophys Acta (1979) 0.95
cdc2 kinase sets a memory phosphorylation signal on elongation factor EF-1 delta during meiotic cell division, which perdures in early development. Cell Mol Biol (Noisy-le-grand) (1994) 0.95
Two distinct mechanisms control the accumulation of cyclin B1 and Mos in Xenopus oocytes in response to progesterone. Mol Biol Cell (1999) 0.95
eIF4E association with 4E-BP decreases rapidly following fertilization in sea urchin. Dev Biol (2001) 0.94
Protein phosphatase-1 is involved in Xenopus oocyte maturation. Nature (1981) 0.93
The PR55 and PR65 subunits of protein phosphatase 2A from Xenopus laevis. molecular cloning and developmental regulation of expression. Eur J Biochem (1995) 0.92
Evidence for regulation of protein synthesis at the elongation step by CDK1/cyclin B phosphorylation. Nucleic Acids Res (2001) 0.91
6-Dimethylaminopurine (6-DMAP), a reversible inhibitor of the transition to metaphase during the first meiotic cell division of the mouse oocyte. Dev Biol (1989) 0.91
Identification of microtubule-associated proteins (MAPs) in Xenopus oocyte. FEBS Lett (1985) 0.91
Modulation of the substrate specificity of the polycation-stimulated protein phosphatase from Xenopus laevis oocytes. Eur J Biochem (1988) 0.91
Activation of p34cdc2 kinase by cyclin is negatively regulated by cyclic amp-dependent protein kinase in Xenopus oocytes. Dev Biol (1992) 0.89
[Demonstration of a long depolarization in the oocytes of Xenopus laevis]. C R Seances Acad Sci D (1979) 0.89
Protein phosphatases are involved in the in vivo activation of histone H1 kinase in mouse oocyte. Dev Biol (1990) 0.89
Stabilization of the maturation promoting factor (MPF) from Xenopus laevis oocytes. Protection against calcium ions. Cell Differ (1983) 0.88
Characterization of MPF activation by okadaic acid in Xenopus oocyte. Cell Differ Dev (1990) 0.88
The roles of follicular envelopes in the initiation of Xenopus oocyte maturation. Gen Comp Endocrinol (1981) 0.87
Specific inhibition of endogenous beta-tubulin synthesis in Xenopus oocytes by anti-messenger oligodeoxynucleotides. Nucleic Acids Res (1988) 0.87
Free calcium in full grown Xenopus laevis oocyte following treatment with ionophore A 23187 or progesterone. Mol Cell Endocrinol (1977) 0.86
Steroid biosynthesis by ovarian follicles of Xenopus laevis in vitro during oogenesis. Gen Comp Endocrinol (1978) 0.85
Identification of the ATP + Mg-dependent and polycation-stimulated protein phosphatases in the germinal vesicle of the Xenopus oocyte. Biochem J (1989) 0.85
Multiple phosphorylation sites and quaternary organization of guanine-nucleotide exchange complex of elongation factor-1 (EF-1betagammadelta/ValRS) control the various functions of EF-1alpha. Biosci Rep (1998) 0.85
Phosphorylation of Xenopus elongation factor-1 gamma by cdc2 protein kinase: identification of the phosphorylation site. Exp Cell Res (1992) 0.84
In vivo regulation of cytostatic activity in Xenopus metaphase II-arrested oocytes. Dev Biol (1997) 0.84
Progesterone biosynthesis and metabolism by ovarian follicles and isolated oocytes Xenopus laevis. Biol Reprod (1976) 0.84
Mechanism of action of progesterone on amphibian oocytes. Uptake and metabolism of progesterone by isolated oocytes of Pleurodeles waltlii and Xenopus laevis. Comp Biochem Physiol B (1975) 0.83
[Estradiol-17 receptors in the liver of chicken and the amphibian Discoglossus pictus]. Biochim Biophys Acta (1973) 0.83
The guanine-nucleotide-exchange complex (EF-1 beta gamma delta) of elongation factor-1 contains two similar leucine-zipper proteins EF-1 delta, p34 encoded by EF-1 delta 1 and p36 encoded by EF-1 delta 2. Eur J Biochem (1996) 0.83
Sea urchin embryo as a model for analysis of the signaling pathways linking DNA damage checkpoint, DNA repair and apoptosis. Cell Mol Life Sci (2007) 0.83
Polyamine levels during Xenopus laevis oogenesis: a role in oocyte competence to meiotic resumption. Biochem Biophys Res Commun (1989) 0.82
Xenopus lipovitellin, a new target protein for calmodulin. FEBS Lett (1983) 0.82
In vitro effects of progesterone and estradiol-17 beta on choleragen activated Xenopus oocyte adenylate cyclase. J Steroid Biochem (1982) 0.82
Specific inhibition of beta-tubulin synthesis in Xenopus oocytes using anti-sense oligodeoxyribonucleotides. Gene (1988) 0.82
Electrical membrane properties of the Xenopus laevis oocyte during progesterone-induced meiotic maturation. Dev Biol (1981) 0.82
Progesterone receptor associated with the "melanosome" fraction of Pleurodeles waltlii oocytes (Urodela amphibian). Biochim Biophys Acta (1973) 0.82
Interplay between Cdc2 kinase and the c-Mos/MAPK pathway between metaphase I and metaphase II in Xenopus oocytes. Dev Biol (2001) 0.82
A possible role for Mg2+ ions in the induction of meiotic maturation of Xenopus oocyte. Cell Differ (1986) 0.82
Elongation factor 1 contains two homologous guanine-nucleotide exchange proteins as shown from the molecular cloning of beta and delta subunits. Nucleic Acids Res (1993) 0.81
Protein translation during early cell divisions of sea urchin embryos regulated at the level of polypeptide chain elongation and highly sensitive to natural polyamines. Zygote (2001) 0.81
Sea urchin elongation factor 1delta (EF1delta) and evidence for cell cycle-directed localization changes of a sub-fraction of the protein at M phase. Cell Mol Life Sci (2003) 0.80
Distribution of microtubules during the breakdown of the nuclear envelope of the Xenopus oocyte: an immunocytochemical study. Biol Cell (1986) 0.80
In vitro progesterone binding to Xenopus laevis oocytes. Gen Comp Endocrinol (1975) 0.80
Tubulin and MAP2 regulate the PCSL phosphatase activity. A possible new role for microtubular proteins. Eur J Biochem (1989) 0.80
[Studies on the metabolism of steroid hormones in vertebrates. V. Metabolism of phenolic steroids in chicken liver in vitro]. Hoppe Seylers Z Physiol Chem (1965) 0.80
MPF is activated in growing immature Xenopus oocytes in the absence of detectable tyrosine dephosphorylation of P34cdc2. Exp Cell Res (1991) 0.80
Microinjection of Cdc25 protein phosphatase into Xenopus prophase oocyte activates MPF and arrests meiosis at metaphase I. Biol Cell (1994) 0.80
In vitro facilitation of Xenopus oocyte maturation by subthreshold doses of progesterone. Dev Biol (1977) 0.80
Interaction of progesterone with amphibian melanosomes. Life Sci (1977) 0.79
An appraisal of the developmental importance of polyamine changes in early Xenopus embryos. Int J Dev Biol (1993) 0.79
Calcium sequestering activities of reticulum vesicles from Xenopus laevis oocytes. Exp Cell Res (1984) 0.79
Competitive protein binding method using an amphibian sex binding protein. Measurement of estradiol-17 in Pleurodeles waltlii Michah. plasma. Comp Biochem Physiol B (1973) 0.79
Distribution of microtubules during the first meiotic cell division in the mouse oocyte: effect of taxol. Gamete Res (1987) 0.79
Major intracellular localization of elongation factor-1. Cell Mol Biol (Noisy-le-grand) (1996) 0.79
Protein phosphatase 2A from Xenopus oocytes. Characterization during meiotic cell division. FEBS Lett (1991) 0.78
The elongation factor-1delta (EF-1delta) originates from gene duplication of an EF-1beta ancestor and fusion with a protein-binding domain. Gene (1999) 0.78
Control of metaphase I formation in Xenopus oocyte: effects of an indestructible cyclin B and of protein synthesis. Biol Cell (1993) 0.78
Interaction between rat brain microtubule associated proteins (MAPs) and free ribosomes from Xenopus oocyte: a possible mechanism for the in ovo distribution of MAPs. Cell Differ (1984) 0.78
Variability of morphological features in early infantile polyneuropathy with defective myelination. Acta Neuropathol (1987) 0.78
[Oocyte maturation in Xenopus laevis. The entry of progesterone is necessary for maturation]. C R Acad Sci Hebd Seances Acad Sci D (1976) 0.78
Function and regulation of cdc25 protein phosphate through mitosis and meiosis. Prog Cell Cycle Res (1995) 0.78
Progesterone and cAMP-dependent protein kinase regulate in vivo the level of phosphorylation of two proteins (Mr 20,000 and Mr 32,000) in Xenopus oocytes. Dev Biol (1986) 0.78
[Oocyte maturation in Xenopus laevis. Arguments in favor of the role of calcium ions]. C R Acad Sci Hebd Seances Acad Sci D (1976) 0.78