Movie 10.

Integrins are necessary to maintain baseline epidermal tension. Laser ablation of a cell junction in the intact epidermis of embryos expressing E-cadherin:GFP, and mCherry RNAi (left) or mys RNAi (right). Images were acquired every 4 s. Time after wounding is shown. Anterior left, dorsal up. Bar, 10 μm.