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. 2008 Jun 16;181(6):893–901. doi: 10.1083/jcb.200712028

Figure 1.

Figure 1.

Mps1 is required for spindle checkpoint function during an unperturbed mitosis. HeLa cells cotransfected with control or Mps1 shRNA plus a GFP–histone H2B construct were analyzed by time-lapse microscopy. (A) Image sequences showing the time in minutes from when the last chromosome aligns (arrowheads) to anaphase onset. (B) Bar graph quantifying the time taken from NEB to metaphase and from metaphase to anaphase in control and Mps1-deficient cells. Values represent the mean and SEM (error bars) derived from at least 62 cells. (C) Bar graph quantifying mitotic abnormalities observed in control or Mps1-deficient cells. Bar, 5 μm.