Movie 4.

High-resolution profile view of motile cilia from Nontreated Control Dnai1^flox/flox mNPEC. Representative high-resolution video of a profile view of active motile cilia from Nontreated Control Dnai1^flox/flox murine nasopharyngeal epithelial cells scraped from cultures showing normal waveform at a replay speed of 30 fr/s (0.1 x live). Videos of scraped cells were taken by SAVA software on a Nikon Eclipse TE2000 inverted microscope with a 60X oil objective (NA=1.4) with DIC-H optics and 2X post-objective magnification at 37^°C and 5% CO₂ with humidified air. Scale bar, 2 μm.