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Speed of the bacterial flagellar motor near zero load depends on the number of stator units.

Abstract:

The bacterial flagellar motor (BFM) rotates hundreds of times per second to propel bacteria driven by an electrochemical ion gradient. The motor consists of a rotor 50 nm in diameter surrounded by up to 11 ion-conducting stator units, which exchange between motors and a membrane-bound pool. Measurements of the torque-speed relationship guide the development of models of the motor mechanism. In contrast to previous reports that speed near zero torque is independent of the number of stator unit...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1073/pnas.1708054114

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
Oxford college:
St Catherines College
Role:
Author
French National Research Agency More from this funder
Publisher:
National Academy of Sciences Publisher's website
Journal:
Proceedings of the National Academy of Sciences Journal website
Volume:
114
Issue:
44
Pages:
11603-11608
Publication date:
2017-10-05
Acceptance date:
2017-09-20
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
Pubs id:
pubs:742535
URN:
uri:bea47f5f-a17d-46e0-a081-719e2f9835f1
UUID:
uuid:bea47f5f-a17d-46e0-a081-719e2f9835f1
Local pid:
pubs:742535

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