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Swimming Rhodobacter spheroides

Introduction

This organism has one flagellar filament that emerges from the side of the cell body. When the filament spins (usually clockwise), it is helical and the cell runs. When the filament stops, it coils up and the cell stops. The coiling tends to reorient the cell body.

Movies

Runs and stops 1
Runs and stops 2
Runs and stops 3

Reference

Armitage, J.P., and Schmitt, R. "Bacterial chemotaxis: Rhodobacter spheroides and Sinorhizobium meliloti -- variations on a theme?" Microbiology 143, 3671-3682 (1997).

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Copyright © 2003 The Rowland Institute for Science.
Last modified Tuesday, July 23, 2003.