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Article

Roles of charged residues of rotor and stator in flagellar rotation: comparative study using H+-driven and Na+-driven motors in Escherichia coli.

Journal of bacteriology - 1 Feb 2006

Yakushi Toshiharu, Yang Junghoon, Fukuoka Hajime, Homma Michio, Blair David F

Abstract excerpt

In Escherichia coli, rotation of the flagellar motor has been shown to depend upon electrostatic interactions between charged residues of the stator protein MotA and the rotor protein FliG. These charged residues are conserved in the Na+-driven polar flagellum of Vibrio alginolyticus, but mutational studies in V. alginolyticus suggested that they are relatively unimportant for motor rotation. The electrostatic...

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Identifiers

PMID: 16452430
DOI: 10.1128/JB.188.4.1466-1472.2006
PMCID: PMC1367243

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Source receipt: pubmed, retrieved 7 Sept 2026.

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Research trail→

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Roles of charged residues of rotor and stator in flagellar rotation: comparative study using H+-driven and Na+-driven motors in Escherichia coli.PMID 16452430Read ↗

Contribution of many charged residues at the stator-rotor interface of the Na+-driven flagellar motor to torque generation in Vibrio alginolyticus.Semantic proximity Read ↗

The systematic substitutions around the conserved charged residues of the cytoplasmic loop of Na+-driven flagellar motor component PomA.Semantic proximity Read ↗

Electrostatic interactions between rotor and stator in the bacterial flagellar motor.Semantic proximity Read ↗

The role of conserved charged residues in the bidirectional rotation of the bacterial flagellar motor.Semantic proximity Read ↗

Mutations targeting the C-terminal domain of FliG can disrupt motor assembly in the Na(+)-driven flagella of Vibrio alginolyticus.Semantic proximity Read ↗

Functional transfer of an essential aspartate for the ion-binding site in the stator proteins of the bacterial flagellar motor.Semantic proximity Read ↗

Sodium-dependent dynamic assembly of membrane complexes in sodium-driven flagellar motors.Semantic proximity Read ↗

Coupling ion specificity of chimeras between H(+)- and Na(+)-driven motor proteins, MotB and PomB, in Vibrio polar flagella.Semantic proximity Read ↗

Multimeric structure of PomA, a component of the Na+-driven polar flagellar motor of vibrio alginolyticus.Semantic proximity Read ↗

The conserved charged residues of the C-terminal region of FliG, a rotor component of the Na+-driven flagellar motor.Semantic proximity Read ↗

Construction of functional fragments of the cytoplasmic loop with the C-terminal region of PomA, a stator component of the Vibrio Na+ driven flagellar motor.Semantic proximity Read ↗

A Bacillus flagellar motor that can use both Na+ and K+ as a coupling ion is converted by a single mutation to use only Na+.Semantic proximity Read ↗

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