Movie 3 - Supplementary movies 1–3 examples of time-lapse microscopy images showing transport of the fluorescent beads. Scale bar represents 10 micron.
Movie 4 - Supplementary movie 4: an example of a bead moving in the anterograde direction. Scale bar represents 2 micron.
Movie 5 - Supplementary movie 5: an example of a bead moving in the retrograde direction. Scale bar represents 1 micron.