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June 23, 2008, 1:54 pm

Car part in bacteria

Bacteria and cars actually seem to have something in common: they use a pretty similar mechanism to disconnect the engine from the wheels. When pushing the clutch pedal of a car, the driver prevents the engine from turning the wheels. Comparably, bacteria seem to have a "protein-clutch" that prevents the bacteria's hydrogen-driven motor-protein to turn its propeller, the so called "flagellum". Isn't it amazing, that engineers came up with a quite similar idea like evolution?