ArticlePhysical review. E2017
Modeling polymorphic transformation of rotating bacterial flagella in a viscous fluid.
Article in Physical review. E, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Decoding Bacterial Motility: From Swimming States to Patterns and Chemotactic Strategies.Biomolecules · 2025Review
- Flagellum Pumping Efficiency in Shear-Thinning Viscoelastic Fluids.Journal of fluid mechanics · 2024Article
- Architecture and Assembly of the Bacterial Flagellar Motor Complex.Sub-cellular biochemistry · 2021Review
- Modeling and simulation of complex dynamic musculoskeletal architectures.Nature communications · 2019Article
- The swimming of a deforming helix.The European physical journal. E, Soft matter · 2018Article
- Forward and inverse problems in the mechanics of soft filaments.Royal Society open science · 2018Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
The helical flagella that are attached to the cell body of bacteria such as Escherichia coli and Salmonella typhimurium allow the cell to swim in a fluid environment. These flagella are capable of polymorphic transformation in that they take on various helical shapes that differ in helical pitch, radius, and chirality. We present a mathematical model of a single flagellum described by Kirchhoff rod theory that is immersed in a fluid governed by Stokes equations. We perform numerical simulations to demonstrate two mechanisms by which polymorphic transformation can occur, as observed in experiments. First, we consider a flagellar filament attached to a rotary motor in which transformations are triggered by a reversal of the direction of motor rotation [L. Turner et al., J. Bacteriol. 182, 2793 (2000)10.1128/JB.182.10.2793-2801.2000]. We then consider a filament that is fixed on one end and immersed in an external fluid flow [H. Hotani, J. Mol. Biol. 156, 791 (1982)10.1016/0022-2836(82)90142-5]. The detailed dynamics of the helical flagellum interacting with a viscous fluid is discussed and comparisons with experimental and theoretical results are provided.
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Registered trials
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