1887

Abstract

The effects of potentially perturbating influences on the respiration of glucose-grown were studied using an open oxygen electrode system. Periods of anaerobiosis as short as 2 min produced an oscillation in respiration after the air supply was restored. Longer exposure to anoxia was followed by an overshoot in dissolved oxygen after switching back to a gas phase of air. Centrifugation, cold shock or nutrient starvation caused less disturbance to respiration rates than did anaerobiosis. The high frequency oscillations (period about 5 min) resulting from anaerobic-aerobic transitions are contrasted with the slow cell cycle-dependent oscillations previously observed in synchronous cultures.

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1979-10-01
2021-10-18
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