ArticlePhysical review letters2013
Coordinated switching of bacterial flagellar motors: evidence for direct motor-motor coupling?
Article in Physical review letters, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
11 citing papers in PubMed.
- Bacterial cell-body rotation driven by a single flagellar motor and by a bundle.Biophysical journal · 2021Article
- Collective motion enhances chemotaxis in a two-dimensional bacterial swarm.Biophysical journal · 2021Article
- Swimming Escherichia coli Cells Explore the Environment by Lévy Walk.Applied and environmental microbiology · 2021Article
- Fluctuations in Intracellular CheY-P Concentration Coordinate Reversals of Flagellar Motors inBiomolecules · 2020Article
- Bacteria push the limits of chemotactic precision to navigate dynamic chemical gradients.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Flagellar number governs bacterial spreading and transport efficiency.Science advances · 2018Article
- Behavioral Variability and Phenotypic Diversity in Bacterial Chemotaxis.Annual review of biophysics · 2018Review
- Noise-Induced Increase of Sensitivity in Bacterial Chemotaxis.Biophysical journal · 2016Article
- How input noise limits biochemical sensing in ultrasensitive systems.Physical review. E, Statistical, nonlinear, and soft matter physics · 2014Article
- Article
- A tale of two machines: a review of the BLAST meeting, Tucson, AZ, 20-24 January 2013.Molecular microbiology · 2014Review
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
The swimming of Escherichia coli is powered by its multiple flagellar motors. Each motor spins either clockwise or counterclockwise, under the control of an intracellular regulator, CheY-P. There can be two mechanisms (extrinsic and intrinsic) to coordinate the switching of bacterial motors. The extrinsic one arises from the fact that different motors in the same cell sense a common input (CheY-P) which fluctuates near the motors' response threshold. An alternative, intrinsic mechanism is direct motor-motor coupling which makes synchronized switching energetically favorable. Here, we develop simple models for both mechanisms and uncover their different hallmarks. A quantitative comparison to the recent experiments suggests that the direct coupling mechanism may be accountable for the observed sharp correlation between motors in a single Escherichia coli. Possible origins of this coupling (e.g., hydrodynamic interaction) are discussed.
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Registered trials
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