J Exp Biol 1976 Feb 01;641:173-84. doi: 10.1242/jeb.64.1.173.

Form of developing bends in reactivated sperm flagella.

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1. Dark-field, multiple-exposure photographs of reactivated tritonated sea urchin sperm flagella swimming under a variety of conditions were analysed. 2. The length, radius and subtended angle of bends increased during bend development. The pattern of development was essentially the same under all conditions observed. 3. The angles of the two bends nearest the base tend to increase at the same rate, cancelling one another, so that the development of new bends causes little if any net microtubular sliding. 4. The direction of microtubular sliding within a bend is initially in the same direction as that within the preceding bend, and reverses as the bend develops.

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Genes referenced: LOC100887844 LOC115923516