Periodic chirality transformations propagating on bacterial flagella
When a helical bacterial flagellum, clamped at one end, is placed in an external flow, it has been observed that regions of the flagellum transform to the opposite chirality, and travel as pulses down the length of the filament, the process repeating periodically [H. Hotani, J. Mol. Biol. 156, 791 (...
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| Veröffentlicht in: | Physical review letters 2002-09, Vol.89 (11), p.118102-118102/4, Article 118102 |
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| container_end_page | 118102/4 |
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| container_issue | 11 |
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| container_title | Physical review letters |
| container_volume | 89 |
| creator | Coombs, Daniel Huber, Greg Kessler, John O Goldstein, Raymond E |
| description | When a helical bacterial flagellum, clamped at one end, is placed in an external flow, it has been observed that regions of the flagellum transform to the opposite chirality, and travel as pulses down the length of the filament, the process repeating periodically [H. Hotani, J. Mol. Biol. 156, 791 (1982)]]. We propose a theory for this phenomenon based on a treatment of the flagellum as an elastic object with multiple stable configurations. The simplest possible implementation of the model accurately reproduces key features seen in experiment. |
| doi_str_mv | 10.1103/physrevlett.89.118102 |
| format | Article |
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Hotani, J. Mol. Biol. 156, 791 (1982)]]. We propose a theory for this phenomenon based on a treatment of the flagellum as an elastic object with multiple stable configurations. 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Hotani, J. Mol. Biol. 156, 791 (1982)]]. We propose a theory for this phenomenon based on a treatment of the flagellum as an elastic object with multiple stable configurations. 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| ispartof | Physical review letters, 2002-09, Vol.89 (11), p.118102-118102/4, Article 118102 |
| issn | 0031-9007 1079-7114 |
| language | eng |
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| source | MEDLINE; APS: American Physical Society E-Journals (Physics) |
| subjects | Bacterial Physiological Phenomena Elasticity Fibers Flagella - chemistry Flagella - physiology Mathematical models Models, Biological Nucleation Oscillations Reynolds number |
| title | Periodic chirality transformations propagating on bacterial flagella |
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