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Literature DB >> 8842231

Torque-generating units of the bacterial flagellar motor step independently.

Abstract

Measurements of the variance in rotation period of tethered cells as a function of mean rotation rate have shown that the flagellar motor of Escherichia coli is a stepping motor. Here, by measurement of the variance in rotation period as a function of the number of active torque-generating units, it is shown that each unit steps independently.

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Year: 1996 PMID： 8842231 PMCID： PMC1233549 DOI： 10.1016/S0006-3495(96)79295-0

Source DB: PubMed Journal: Biophys J ISSN： 0006-3495 Impact factor: 4.033

25 in total

1. Powering the flagellar motor of Escherichia coli with an external voltage source.

Authors: D C Fung; H C Berg
Journal: Nature Date: 1995-06-29 Impact factor: 49.962

2. Statistical kinetics of processive enzymes.

Authors: M J Schnitzer; S M Block
Journal: Cold Spring Harb Symp Quant Biol Date: 1995

3. Fluctuation analysis of rotational speeds of the bacterial flagellar motor.

Authors: A D Samuel; H C Berg
Journal: Proc Natl Acad Sci U S A Date: 1995-04-11 Impact factor: 11.205

4. Torque generated by the flagellar motor of Escherichia coli.

Authors: H C Berg; L Turner
Journal: Biophys J Date: 1993-11 Impact factor: 4.033

5. Geometry of the flagellar motor in the cytoplasmic membrane of Salmonella typhimurium as determined by stereo-photogrammetry of quick-freeze deep-etch replica images.

Authors: E Katayama; T Shiraishi; K Oosawa; N Baba; S Aizawa
Journal: J Mol Biol Date: 1996-01-26 Impact factor: 5.469

6. Isolation, characterization and structure of bacterial flagellar motors containing the switch complex.

Authors: N R Francis; G E Sosinsky; D Thomas; D J DeRosier
Journal: J Mol Biol Date: 1994-01-28 Impact factor: 5.469

7. Fluctuations in rotation rate of the flagellar motor of Escherichia coli.

Authors: M Kara-Ivanov; M Eisenbach; S R Caplan
Journal: Biophys J Date: 1995-07 Impact factor: 4.033

8. Mechanical limits of bacterial flagellar motors probed by electrorotation.

Authors: R M Berry; L Turner; H C Berg
Journal: Biophys J Date: 1995-07 Impact factor: 4.033

9. Fluctuation analysis of motor protein movement and single enzyme kinetics.

Authors: K Svoboda; P P Mitra; S M Block
Journal: Proc Natl Acad Sci U S A Date: 1994-12-06 Impact factor: 11.205

10. Torque generation in the flagellar motor of Escherichia coli: evidence of a direct role for FliG but not for FliM or FliN.

Authors: S A Lloyd; H Tang; X Wang; S Billings; D F Blair
Journal: J Bacteriol Date: 1996-01 Impact factor: 3.490

22 in total

Torque-generating units of the bacterial flagellar motor step independently.

1. Powering the flagellar motor of Escherichia coli with an external voltage source.

2. Statistical kinetics of processive enzymes.

3. Fluctuation analysis of rotational speeds of the bacterial flagellar motor.

4. Torque generated by the flagellar motor of Escherichia coli.

5. Geometry of the flagellar motor in the cytoplasmic membrane of Salmonella typhimurium as determined by stereo-photogrammetry of quick-freeze deep-etch replica images.

6. Isolation, characterization and structure of bacterial flagellar motors containing the switch complex.

7. Fluctuations in rotation rate of the flagellar motor of Escherichia coli.

8. Mechanical limits of bacterial flagellar motors probed by electrorotation.

9. Fluctuation analysis of motor protein movement and single enzyme kinetics.

10. Torque generation in the flagellar motor of Escherichia coli: evidence of a direct role for FliG but not for FliM or FliN.

1. An electrostatic mechanism closely reproducing observed behavior in the bacterial flagellar motor.

Review 2. Constraints on models for the flagellar rotary motor.

3. The speed of the flagellar rotary motor of Escherichia coli varies linearly with protonmotive force.

4. A kinetic and stochastic analysis of crossbridge-type stepping mechanisms in rotary molecular motors.

5. Swimming efficiency of bacterium Escherichia coli.

6. Dynamics of the bacterial flagellar motor with multiple stators.

7. Model studies of the dynamics of bacterial flagellar motors.

8. Torque generated by the flagellar motor of Escherichia coli while driven backward.

9. Absence of a barrier to backwards rotation of the bacterial flagellar motor demonstrated with optical tweezers.

10. Protein turbines. I: The bacterial flagellar motor.