Centrosome duplication in mammalian somatic cells requires E2F and Cdk2-cyclin A

被引:415
作者
Meraldi, P
Lukas, J
Fry, AM
Bartek, J
Nigg, EA
机构
[1] Univ Geneva, Dept Mol Biol, CH-1211 Geneva 4, Switzerland
[2] Danish Canc Soc, Inst Canc Biol, Dept Cell Cycle & Canc, DK-2100 Copenhagen, Denmark
[3] Univ Leicester, Dept Biochem, Leicester LE1 7RH, Leics, England
关键词
D O I
10.1038/10054
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Centrosome duplication is a key requirement for bipolar spindle formation and correct segregation of chromosomes during cell division. In a manner highly reminiscent of DNA replication, the centrosome must be duplicated once, and only once, in each cell cycle. How centrosome duplication is regulated and coordinated with other cell-cycle functions remains poorly understood. Here, we have established a centrosome duplication assay using mammalian somatic cells. We show that centrosome duplication requires the activation of E2F transcription factors and Cdk2-cyclin A activity.
引用
收藏
页码:88 / 93
页数:6
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