Supplementary Movie 2

Dorsal branch separating from the tracheal primordium in fas^H124 mutant embryo.
Time-lapse movie of tracheal metamere one in a fas^H124 homozygous mutant embryo expressing palmitoylated NeonGreen under the control of btl-Gal4. The movie was acquired with a 20x/0.75 NA objective and a frame rate of 5 min.