Mitotic exit is controlled by a cell division checkpoint that prevents premature degradation of cyclin B by the anaphase-promoting complex. Saurinet al. show that Aurora B directly regulates timely establishment of this checkpoint by facilitating activation of Mps1 kinase at unattached kinetochores.
- Adrian T. Saurin
- Maike S. van der Waal
- Geert J.P.L. Kops
