Abstract
PERIODIC phenomena are common in biology, and the nature of the oscillator which drives them is of great interest. Recently clear oscillations at the level of enzymatic reactions have been reported in the glycolytic system1–3. Damped oscillations have also been found in the horse-radish peroxidase systems which oxidize reduced pyridine nucleotide4,5 and indoleacetate or di-hydroxyfumarate6. The peroxidase system oscillated between ferriperoxidase and compound III (possibly ferriperoxidase–O2− complex) in the same oscillatory cycle of oxygen consumption. The conditions which gave stable oscillations were rather limited and the oscillation ceased after several cycles even when the reaction was started from an optimal condition. Acid pH favoured oscillation5.
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NAKAMURA, S., YOKOTA, K. & YAMAZAKI, I. Sustained Oscillations in a Lactoperoxidase, NADPH and O2 System. Nature 222, 794 (1969). https://doi.org/10.1038/222794a0
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DOI: https://doi.org/10.1038/222794a0
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