To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4 First embryonic cell division in WT and the S772A/S784A strain expressing GFP::KLE-2 and mCherry::H2B at 25°C. Scale bar: 10 µm. Mitotic chromosome condensation requires phosphorylation of the centromeric protein KNL-2 in C. elegans Joanna M. Wenda, Reinier F. Prosée, Caroline Gabus, and Florian A. Steiner J Cell Sci 2021. 134:None-None; doi: 10.1242/jcs.259088 Download Original Video