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- Publications
- Influence
Stoichiometry and turnover in single, functioning membrane protein complexes
- M. Leake, J. H. Chandler, G. Wadhams, Fan Bai, R. Berry, J. Armitage
- Chemistry, Medicine
- Nature
- 21 September 2006
Many essential cellular processes are carried out by complex biological machines located in the cell membrane. The bacterial flagellar motor is a large membrane-spanning protein complex that… Expand
Bacterial flagellar motor.
The bacterial flagellar motor is a reversible rotary nano-machine, about 45 nm in diameter, embedded in the bacterial cell envelope. It is powered by the flux of H+ or Na+ ions across the cytoplasmic… Expand
The maximum number of torque-generating units in the flagellar motor of Escherichia coli is at least 11.
- S. Reid, M. Leake, J. H. Chandler, Chien-Jung Lo, J. Armitage, R. Berry
- Biology, Medicine
- Proceedings of the National Academy of Sciences…
- 23 May 2006
Torque is generated in the rotary motor at the base of the bacterial flagellum by ion translocating stator units anchored to the peptidoglycan cell wall. Stator units are composed of the proteins… Expand
Variable stoichiometry of the TatA component of the twin-arginine protein transport system observed by in vivo single-molecule imaging
- M. Leake, Nicholas P Greene, +6 authors B. Berks
- Biology, Medicine
- Proceedings of the National Academy of Sciences
- 7 October 2008
The twin-arginine translocation (Tat) system transports folded proteins across the bacterial cytoplasmic membrane and the thylakoid membrane of plant chloroplasts. The essential components of the Tat… Expand
Myxobacteria gliding motility requires cytoskeleton rotation powered by proton motive force
- Beiyan Nan, J. Chen, J. Neu, R. Berry, G. Oster, D. Zusman
- Biology, Medicine
- Proceedings of the National Academy of Sciences
- 19 January 2011
Myxococcus xanthus is a Gram-negative bacterium that glides over surfaces without the aid of flagella. Two motility systems are used for locomotion: social-motility, powered by the retraction of type… Expand
Direct observation of steps in rotation of the bacterial flagellar motor
The bacterial flagellar motor is a rotary molecular machine that rotates the helical filaments that propel many species of swimming bacteria. The rotor is a set of rings up to 45 nm in diameter in… Expand
Composition, Formation, and Regulation of the Cytosolic C-ring, a Dynamic Component of the Type III Secretion Injectisome
- A. Diepold, M. Kudryashev, N. Delalez, R. Berry, J. Armitage
- Biology, Medicine
- PLoS biology
- 1 January 2015
The injectisome is a membrane complex through which some bacteria can inject effector proteins into host cells. This study reveals that the cytosolic C-ring structure has a dynamic relationship to… Expand
Torque-generating units of the flagellar motor of Escherichia coli have a high duty ratio
Rotation of the bacterial flagellar motor is driven by an ensemble of torque-generating units containing the proteins MotA and MotB. Here, by inducing expression of MotA in motA- cells under… Expand
Load-Dependent Assembly of the Bacterial Flagellar Motor
- Murray J. Tipping, N. Delalez, R. Lim, R. Berry, J. Armitage
- Physics, Medicine
- mBio
- 20 August 2013
ABSTRACT It is becoming clear that the bacterial flagellar motor output is important not only for bacterial locomotion but also for mediating the transition from liquid to surface living. The output… Expand
Rapid Chiral Assembly of Rigid DNA Building Blocks for Molecular Nanofabrication
- R. P. Goodman, I. Schaap, +4 authors A. Turberfield
- Chemistry, Medicine
- Science
- 9 December 2005
Practical components for three-dimensional molecular nanofabrication must be simple to produce, stereopure, rigid, and adaptable. We report a family of DNA tetrahedra, less than 10 nanometers on a… Expand