Movie EV1
Video of an embryo expressing GFP-PSF-1 and mCherry-Histone H2B progressing throughout the first embryonic S phase. 
Embryo shown in Figure 1A, Control (GFP-PSF1 in the left panel, mCherry-H2B on the right).  Frames 15, 19, 21, 25 and 30 correspond to the 0’, 0.5’, 1’, 1.5’ and 2.5’ timepoints in Figure 1A.  The images in the movie are rotated by 90° with respect to the data in Figure 1A.