Forces and Tension in Development by Michel Labouesse (Eds.)

By Michel Labouesse (Eds.)

This ebook offers probably the most complicated experimental structures within which the function of forces has been dissected. It explores the actual ideas accounting for a way forces can have an effect on delicate subject similar to our cells, and offers the various equipment used to degree or check the position of forces.Presents probably the most complicated experimental platforms during which the position of forces has been dissected. It explores the actual ideas accounting for the way forces can have an effect on gentle topic resembling our cells, and offers a number of the tools used to degree or examine the function of forces. Appeals to either physicists desirous to get conversant in organic platforms, and to biologists fascinated about the actual ideas in the back of what they realize.

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While the coincidence of the similarity between the dynein stalling force and the t-force at the switch point is suggestive, it is not proof of a t-force-driven switching mechanism. An experiment by Kamiya and Okagaki (1986) is a more convincing proof of the switching principle. In their experiment, two individual doublets from a frayed Chlamydomonas axoneme produced a repetitive cycle of attachment, bending, and separation. It is a direct demonstration of the principle that the dyneins can pull away from their binding sites when bending, and thus the resultant t-force reaches a critical value.

Cell Biol. 76, 729–747. Woolley, D. M. (1997). Studies on the eel sperm flagellum. The structure of the inner dynein arm complex. J. Cell Sci. 110, 85–94. Yagi, T. (2000). ADP-dependent microtubule translocation by flagellar inner-arm dyneins. Cell Struct. Funct. 25, 263–267. , and Kamiya, R. (1995). Novel mode of hyper-oscillation in the paralyzed axoneme of a Chlamydomonas mutant lacking the central-pair microtubules. Cell Motil. Cytoskeleton 31, 207–214. Zanetti, N. , Mitchell, D. , and Warner, F.

Biochem. Cytol. 7, 697–715. , and Shingyoji, C. (2008). Mechanism of flagellar oscillation-bending-induced switching of dynein activity in elastase-treated axonemes of sea urchin sperm. J. Cell Sci. 121, 2833–2843. , and Kamiya, R. (1997). Induction of temporary beating in paralyzed flagella of Chlamydomonas mutants by application of external force. Cell Motil. Cytoskeleton 37, 232–239. , Porter, M. , and Nicastro, D. (2009). The dynein regulatory complex is the nexin link and a major regulatory node in cilia and flagella.

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