Bacteria, Rev Your Engines: Stator Dynamics Regulate Flagellar Motility

Many bacteria move through liquids and across surfaces by using flagella-filaments propelled by a membrane-embedded rotary motor. Much is known about the flagellum: its basic structure, the function of its individual motor components, and the regulation of its synthesis. However, we are only beginni...

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Bibliographic Details
Published inJournal of bacteriology Vol. 199; no. 12; p. E00088
Main Authors Baker, Amy E, O'Toole, George A
Format Journal Article
LanguageEnglish
Published United States American Society for Microbiology 15.06.2017
Subjects
Bacteria
Bacterial Physiological Phenomena
Bacterial Proteins - metabolism
Bacteriology
Cellular biology
Environmental effects
Filaments
Flagella
Locomotion
Minireview
Motility
Motor task performance
Proteins
Proton-Translocating ATPases - metabolism
Structure-function relationships
stators
flagella
swimming
MotAB
c-di-GMP
swarming
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Summary:Many bacteria move through liquids and across surfaces by using flagella-filaments propelled by a membrane-embedded rotary motor. Much is known about the flagellum: its basic structure, the function of its individual motor components, and the regulation of its synthesis. However, we are only beginning to identify the dynamics of flagellar proteins and to understand how the motor structurally adapts to environmental stimuli. In this review, we discuss the external and cellular factors that influence the dynamics of stator complexes (the ion-conducting channels of the flagellar motor). We focus on recent discoveries suggesting that stator dynamics are a means for controlling flagellar function in response to different environments.
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Citation Baker AE, O'Toole GA. 2017. Bacteria, rev your engines: stator dynamics regulate flagellar motility. J Bacteriol 199:e00088-17. https://doi.org/10.1128/JB.00088-17.
ISSN:0021-9193
1098-5530
DOI:10.1128/jb.00088-17