To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4. Multiciliated cell beating in control embryos. Frame rate of 80 frames/second. Kif9 is an active kinesin motor required for ciliary beating and proximodistal patterning of motile axonemes Mia J. Konjikusic, Chanjae Lee, Yang Yue, Bikram D. Shrestha, Ange M. Nguimtsop, Amjad Horani, Steven Brody, Vivek N. Prakash, Ryan S. Gray, Kristen J. Verhey, and John B. Wallingford J Cell Sci 2022. 136:None-None; doi: 10.1242/jcs.259535 Download Original Video