Sentences with phrase «chlamydomonas axonemes»

The axoneme's rhythmic bending and stretching is the source of the tail's movement, and the scientists knew they needed to realistically depict that process in order to show the film's viewers how a sperm moves.

Using this biologically accurate model of how dynein moves the microtubules within the axoneme, Ingber and Reilly created a short film called «The Beginning,» which draws parallels between sperm swimming toward an egg and spaceships flying toward a planet in space, giving an artistic bent to a scientific topic.

The core of a sperm's whip - like tail is the axoneme, a long tube consisting of nine pairs of microtubules arranged in a column around a central pair, all of which extend the entire length of the tail.

The axoneme's movement is accomplished via rows of motor proteins called dyneins that are attached along the microtubules and exert force on them so the microtubules «slide» past each other, which then causes the entire axoneme and sperm tail to bend and move.

«Not only is our physics - based simulation and animation system as good as other data - based modeling systems, it led to the new scientific insight that the limited motion of the dynein hinge focuses the energy released by ATP hydrolysis, which causes dynein's shape change and drives microtubule sliding and axoneme motion,» says Ingber.

The nexin link and B - tubule glutamylation maintain the alignment of outer doublets in the ciliary axoneme.

Ingmar Riedel (Howard, MPG)-- «Mechanics of the axoneme: Self - organized beating patterns and vortex arrays of spermatozoa» (2005)

In addition, the fruit fly's sperm flagellum displays quite a long axoneme (∼ 1.8 mm), which may facilitate both histological and biochemical analyses.

These data provide a link to defining the molecular intricacies required for axoneme function, sperm motility, and male fertility.

a. Normal ciliary axoneme with one central pair of microtubules (arrow) and nine peripheral microtubular doublets (arrow head).

b. Ciliary axoneme from a dog with PCD with central pair abnormalities.

The gene product's precise role is not currently understood but it is thought to anchor regulatory complexes at the photoreceptor connecting cilium, which acts as a bridge between the inner and outer segments of photoreceptor cells [43] as well as having functions in disk morphogenesis [42] and in the structure of the ciliary axoneme [44].