Activation of MPF at meiosis reinitiation in starfish oocytes

被引：60

作者：

Kishimoto, T

机构：

[1] Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, Lab Cell & Dev Biol, Midori Ku, Yokohama, Kanagawa 2268501, Japan

[2] Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, JST, CREST Res Project,Midori Ku, Yokohama, Kanagawa 2268501, Japan

来源：

DEVELOPMENTAL BIOLOGY | 1999年 / 214卷 / 01期

关键词：

MPF; cyclin B center dot Cdc2 kinase; meiosis reinitiation; G2/M-phase transition; starfish oocytes;

D O I：

10.1006/dbio.1999.9393

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Although maturation or M-phase-promoting factor (MPF) was originally identified as a cytoplasmic activity responsible for induction of maturation or meiosis reinitiation in oocytes, MPF is now thought to be the universal trigger of G2/M-phase transition in all eukaryotic cells, and its activity is ascribed to cyclin B . Cdc2 kinase. Here, the activation process of cyclin B . Cdc2 at meiosis reinitiation in starfish oocytes is compared with that at G2/M-phase transition in mitotic somatic cells. Based on this comparison, the role of cyclin B . Cdc2 in the original cytoplasmic MPF activity is reexamined. (C) 1999 Academic Press.

引用

页码：1 / 8

页数：8

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