Movie 4.

Time-lapse imaging of nuclear division and cytokinesis in cardiomyocytes in a Tg(myl7:dsRed;myl7:BFP-CAAX) 5dpi zebrafish heart (related to Figure 2F′). Cardiomyocyte nuclei are shown in red, cardiomyocyte membranes are shown in cyan. Each frame represents 15 minutes.