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Quantification of flagellar motor stator dynamics through in vivo proton-motive force control.

Abstract:

The bacterial flagellar motor, one of the few rotary motors in nature, produces torque to drive the flagellar filament by ion translocation through membrane-bound stator complexes. We used the light-driven proton pump proteorhodopsin (pR) to control the proton-motive force (PMF) in vivo by illumination. pR excitation was shown to be sufficient to replace native PMF generation, and when excited in cells with intact native PMF generation systems increased motor speed beyond the physiological no...

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Publication status:
Published

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Publisher copy:
10.1111/mmi.12098

Authors


Tipping, MJ More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Delalez, NJ More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MSD, Biochemistry
Journal:
Molecular microbiology
Volume:
87
Issue:
2
Pages:
338-347
Publication date:
2013-01-05
DOI:
EISSN:
1365-2958
ISSN:
0950-382X
URN:
uuid:8e8b7984-d71a-4853-bff6-ce0ac7a41983
Source identifiers:
367625
Local pid:
pubs:367625

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