Movie 1

plekhg5 induces apical constriction at blastula stages (embryo on the right), whereas activin induces ectopic blastopore lip only during gastrulation (embryo in the center). The control embryo is shown on the left.

The RhoGEF protein Plekhg5 regulates apical constriction of bottle cells during gastrulation

Ivan K. Popov, Heather J. Ray, Paul Skoglund, Ray Keller, and Chenbei Chang

Development 2018. 145:None-None; doi: 10.1242/dev.168922