To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 6. Representative time lapse confocal video of the Separase activity sensor in Ube2s--/- oocytes. Images of live cell were taken every 0.5 h from the start of GVBD. Scale bar, 10 μm. Loss of UBE2S causes meiosis I arrest with normal spindle assembly checkpoint dynamics in mouse oocytes Si-Min Sun, Bing-Wang Zhao, Yuan-Yuan Li, Hong-Yang Liu, Yuan-Hong Xu, Xue-Mei Yang, Jia-Ni Guo, Ying-Chun Ouyang, Chang-Jiang Weng, Yi-Chun Guan, Qing-Yuan Sun, and Zhen-Bo Wang Development 2024. 151:None-None; doi: 10.1242/dev.202285 Download Original Video