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Shear Stress Transmission Model for the Flagellar Rotary Motor

By Toshio Mitsui and Hiroyuki Ohshima

Abstract

Abstract: Most bacteria that swim are propelled by flagellar filaments, which are driven by a rotary motor powered by proton flux. The mechanism of the flagellar motor is discussed by reforming the model proposed by the present authors in 2005. It is shown that the mean strength of Coulomb field produced by a proton passing the channel is very strong in the Mot assembly so that the Mot assembly can be a shear force generator and induce the flagellar rotation. The model gives clear calculation results in agreement with experimental observations, e g., for the charasteristic torque-velocity relationship of the flagellar rotation

Topics: Flagellar rotary motor
Year: 2008
OAI identifier: oai:CiteSeerX.psu:10.1.1.352.2547
Provided by: CiteSeerX
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