Brokaw, Charles J. (1989) Direct measurements of sliding between outer doublet microtubules in swimming sperm flagella. Science, 243 (4898). pp. 1593-1596. ISSN 0036-8075. doi:10.1126/science.2928796. https://resolver.caltech.edu/CaltechAUTHORS:20150127-132723793
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Abstract
The relative motion of 40-nanometer gold beads bound to the exposed outer doublet microtubules of demembranated sea urchin sperm flagella has been observed and photographed during adenosine triphosphate (ATP)-reactivated swimming. This direct demonstration and measure of sliding displacements between outer doublet microtubules in actively bending flagella verifies the original sliding microtubule model for ciliary bending that was established by electron microscopy of fixed cilia and provides a new, functional measure for the diameter of the flagellar axoneme of 132 ± 8 nanometers.
| Item Type: | Article | ||||||||||||
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| Additional Information: | © 1989 American Association for the Advancement of Science. Received 12 October 1988; accepted 12 January 1989. I thank S. M. Nagayama for laboratory assistance and M. Sheetz for the suggestion char uncoated gold beads should adhere to axonemal microtubules. Supported by NIH grants GM-18711 and RR-07003. | ||||||||||||
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| Issue or Number: | 4898 | ||||||||||||
| DOI: | 10.1126/science.2928796 | ||||||||||||
| Record Number: | CaltechAUTHORS:20150127-132723793 | ||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150127-132723793 | ||||||||||||
| Official Citation: | Direct measurements of sliding between outer doublet microtubules in swimming sperm flagella CJ Brokaw Science 24 March 1989: 243 (4898), 1593-1596. [DOI:10.1126/science.2928796] | ||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
| ID Code: | 54145 | ||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||
| Deposited On: | 28 Jan 2015 06:42 | ||||||||||||
| Last Modified: | 10 Nov 2021 20:29 |
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