Movie S5.

A subregion of a freshly isolated in vivo-transformed AVCM expressing mtDsRed and mtPA-GFP. Photoactivation of mtPA-GFP by means of 2P illumination within a 5 × 5-μm region. Mitochondrial continuity and fusion are evidenced by continuous and abrupt mtPA-GFP spreading, respectively. Video duration, 8.25 min; acquisition frequency, 0.33Hz, shown at 7 fps.