Figure 1

Imaging primordial germ cell movements during gonadogenesis. Embryo expressing eGFP-Vasa in PGCs imaged during stages 11–14. PGCs move to the mesoderm by a variety of routes then coalesce with SGPs (not visible) following germ band retraction. The gonad then compacts to a spherical shape. Projected images from 30 z sections taken at 1 μm intervals are shown at the time points indicated. Image stacks were collected at 90s intervals over 12 hours. These data are also shown in Additional file 1.