Movie S1.

Expression of SUP and AP3 in a wild-type stage 5 flower. Movie showing the consecutive slices of a z-stack of a wild-type stage 5 flower (also shown in Fig. S1B) expressing the gSUP-3xVenusN7 (red) and the pAP3-CFPN7 (cyan) reporters; cell walls were stained with propidium iodide (gray).