Movie S1

mRNA of Cox7c-MS2 visualized with MCP-GFP construct and displays complete co-localization and co-transport with mitochondria in axons. Live-cell imaging of mRNA particles (green) together with mitotracker marked mitochondria (red) in a motor neuron axon. The red arrows indicate Cox7c mRNA particles co-transported with mitochondria. Movie speed is 10 frames per second, at 3 seconds per frame.