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Article

Asymmetry in the clockwise and counterclockwise rotation of the bacterial flagellar motor.

Proceedings of the National Academy of Sciences of the United States of America - 20 Jul 2010

Yuan Junhua, Fahrner Karen A, Turner Linda, Berg Howard C

Abstract excerpt

Cells of Escherichia coli are able to swim up gradients of chemical attractants by modulating the direction of rotation of their flagellar motors, which spin alternately clockwise (CW) and counterclockwise (CCW). Rotation in either direction has been thought to be symmetric and exhibit the same torques and speeds. The relationship between torque and speed is one of the most important measurable characteristics of...

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Identifiers

PMID: 20615986
DOI: 10.1073/pnas.1007333107
PMCID: PMC2919929

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