Movie 7

Myotubes at 46 h APF are contractile upon laser lesion Single plane spinning disc confocal movie of two myotubes labelled by Mef2-GAL4, UAS-GFP-Gma at 40 h. The lower one is partially severed by a UV laser in the middle (see Supplementary Figure 3). Note the induced contraction after the cut. Time is indicated in seconds and starts at the cut. Movie plays with 5 frames per second.

Mechanical tension and spontaneous muscle twitching precede the formation of cross-striated muscle in vivo

Manuela Weitkunat, Martina Brasse, Andreas R. Bausch, and Frank Schnorrer

Development 2017. 144:1261-1272; doi: 10.1242/dev.140723