Movie EV2
Video of an mcm-10∆ embryo expressing GFP-PSF-1 and mCherry-Histone H2B progressing throughout the First Embryonic S phase. 
Embryo shown in Figure 1A, mcm-10∆ (GFP-PSF1 in the left panel, mCherry-H2B on the right).  Frames 22, 25, 27, 31 and 36 correspond to the 0’, 0.5’, 1’, 1.5’ and 2.5’ timepoints in Figure 1A.  The images in the movie are rotated by 270° with respect to the data in Figure 1A.