To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 A frame by frame 2D projection of movie 1 done using the ImSAnE tool (Heemskerk and Streichan, 2015). Dorsal-GFP appears in grey. Dynamics of Spaetzle morphogen shuttling in the Drosophila embryo shapes gastrulation patterning Neta Rahimi, Inna Averbukh, Shari Carmon, Eyal D. Schejter, Naama Barkai, and Ben-Zion Shilo Development 2019. 146:None-None; doi: 10.1242/dev.181487 Download Original Video