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Science 20 June 2008:
Vol. 320. no. 5883, pp. 1599 - 1600
DOI: 10.1126/science.1160444
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Perspectives

MICROBIOLOGY:
How Bacteria Change Gear

Richard M. Berry1 and Judith P. Armitage2

Bacterial motility is arrested when a protein that acts as a clutch disables rotation of the flagellar motor.

1Department of Physics, Clarendon Lab, University of Oxford, Oxford OX1 3PU, UK. E-mail: r.berry1{at}physics.ox.ac.uk

2Department of Biochemistry & Oxford Centre for Integrative Systems Biology, University of Oxford, Oxford OX1 3QU, UK.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)