Movie 1.

CySCs move extensively around the niche. Time-lapse movie highlighting a CySC (arrowhead) that moves laterally around the niche. CySCs are labelled with GFP (cyan) and nuclear RFP (magenta). The niche is labelled with Fas3-GFP (cyan, bright), but in many frames, the niche is in an adjacent Z-plane and its rough position is outlined with a yellow line. The highlighted CySC contacts several different germ cells (unlabelled) over the course of the movie. Scale bar: 10 μm.