To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 Phase contrast imaging of cycling Hela cells treated with 1g. Bright field images of asynchronous population of Hela cells treated with 5μM 1g were acquired every 10 mins for 20hrs as on movie 1. Movie 10 frames per seconds. A novel benzodiazepine derivative that suppresses microtubule dynamics and impairs mitotic progression Vittoria Pirani, Mathieu Métivier, Emmanuel Gallaud, Alexandre Thomas, Siou Ku, Denis Chretien, Roberta Ettari, Regis Giet, Lorenzo Corsi, and Christelle Benaud J Cell Sci 2020. 133:None-None; doi: 10.1242/jcs.239244 Download Original Video