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Protein turbines. I: The bacterial flagellar motor.

The bacterial flagellar motor is driven by a flux of ions between the cytoplasm and the periplasmic lumen. Here we show how an electrostatic mechanism can convert this ion flux into a rotary torque. We demonstrate that, with reasonable parameters, the model can reproduce many of the experimental measurements.

Pubmed ID: 9251788


  • Elston TC
  • Oster G


Biophysical journal

Publication Data

August 29, 1997

Associated Grants


Mesh Terms

  • Bacterial Physiological Phenomena
  • Bacterial Proteins
  • Biophysical Phenomena
  • Biophysics
  • Cell Movement
  • Cytoplasm
  • Escherichia coli
  • Flagella
  • Markov Chains
  • Membrane Potentials
  • Models, Theoretical
  • Static Electricity
  • Stochastic Processes