To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Time lapse film of MPK-1::mKate2 entering P6.p first. Arrows indicate P6.p and other VPCs. Nuclear translocation of the tagged endogenous MAPK MPK-1 denotes a subset of activation events in C. elegans development Neal R. Rasmussen, and David J. Reiner J Cell Sci 2021. 134:None-None; doi: 10.1242/jcs.258456 Download Original Video