Figure 1.

HMG20b is required for the completion of cell division. (a) Frequency of failure to complete cell division after depletion of HMG20b. Cells which either became binucleate or did not complete cell division within a 6-h observation period were counted from time-lapse images. The mean±s.e.m. is shown. (b) Box-and-whisker plot showing time taken from anaphase onset to completion of cell division measured from time-lapse images. The median value is shown; the bottom and top of the box represent the 25 and 75th percentiles respectively. (c) Representative frames from a time-lapse experiment with HeLa cells stably expressing green fluorescent protein-H2B. Cells of interest are marked with black arrows. See also Supplementary Movies 1 and 2.