The calcium response of mouse sperm flagella: role of calcium ions in the regulation of dynein activity.


Triton X-100-extracted mouse sperm treated with 0.1 mM ATP and 1.0 mM Ca(2+) exhibit an extremely coiled configuration that has been previously described as a curlicue. Sperm in the curlicue configuration exhibit a monotonically curved flagellum where the shear angle of the flagellum can reach a value as high as 14 radians at the flagellar tip. We utilized… (More)
DOI: 10.1095/biolreprod.111.094953