Polo delivers a PICH to the kinetochore
- PMID: 17218250
- DOI: 10.1016/j.cell.2006.12.022
Polo delivers a PICH to the kinetochore
Abstract
In this issue, Baumann et al. (2007) identify a helicase PICH that localizes to "threads" that remain connected between sister kinetochores after they have separated in anaphase. These threads are thought to be catenated centromeric DNA. PICH contributes to the mitotic checkpoint by recruiting Mad2 to kinetochores and is proposed to regulate checkpoint signaling by monitoring tension at centromeres.
Comment on
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PICH, a centromere-associated SNF2 family ATPase, is regulated by Plk1 and required for the spindle checkpoint.Cell. 2007 Jan 12;128(1):101-14. doi: 10.1016/j.cell.2006.11.041. Cell. 2007. PMID: 17218258
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