作者
Michela Zuccolo, Annabelle Alves, Vincent Galy, Stéphanie Bolhy, Etienne Formstecher, Victor Racine, Jean‐Baptiste Sibarita, Tatsuo Fukagawa, Ramin Shiekhattar, Tim Yen, Valérie Doye
发表日期
2007/4/4
期刊
The EMBO journal
卷号
26
期号
7
页码范围
1853-1864
出版商
John Wiley & Sons, Ltd
简介
We previously demonstrated that a fraction of the human Nup107–160 nuclear pore subcomplex is recruited to kinetochores at the onset of mitosis. However, the molecular determinants for its kinetochore targeting and the functional significance of this localization were not investigated. Here, we show that the Nup107–160 complex interacts with CENP‐F, but that CENP‐F only moderately contributes to its targeting to kinetochores. In addition, we show that the recruitment of the Nup107–160 complex to kinetochores mainly depends on the Ndc80 complex. We further demonstrate that efficient depletion of the Nup107–160 complex from kinetochores, achieved either by combining siRNAs targeting several of its subunits excluding Seh1, or by depleting Seh1 alone, induces a mitotic delay. Further analysis of Seh1‐depleted cells revealed impaired chromosome congression, reduced kinetochore tension and …
引用总数
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