Dorsal closure defects upon rhogap19d depletion. Maximal intensity Z-stack projections of the dorsal side of wt (top) and UAS-rhogap19d-RNAi (bottom) embryos. Embryos have endogenous DE-cadherin-GFP (green) and ectodermal Gal4 UAS-LifeAct-RFP (red) (1 min/frame). Scale bar = 25 μm.