Video 2. Motility of tethered CatSperz +/- and -/- spermatozoa; uncapacitated, related to Figure 2.

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DOI: 10.7554/eLife.23082.015

Uncapacitated epididymal spermatozoa in non-capacitating M2 media were tethered to the fibronectin-coated glass bottom dish; sperm motility was recorded at 37°C; video rate 200 fps, 2 s movies. (A) CatSperz+/- and (B) CatSperz-/- spermatozoa.

DOI: http://dx.doi.org/10.7554/eLife.23082.015