[On the biophysical mechanism of the circum-hour cell rhythm and its role in metabolism].
The universal biophysical mechanism of "circum-hour" oscillations of parameters and properties of various cells and their organelles was considered. The mechanism is the result of nonspecific responses of cells to any damaging agents. At the basis of the "circum-hour" mechanism is the earlier reported inverse dependence of the activity of enzymes on the concentration of low-molecular weight organic substances in medium. The universal character of "circum-hour" oscillations and their probable relationship with the acceleration of metabolism was shown using automatic scanning analyzers of microobjects on numerous objects: cells, cell organelles and compartments.
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D000818:Animals; D001692:Biological Transport; D002468:Cell Physiological Phenomena; D002477:Cells / Q000201:enzymology / Q000378:metabolism*; D002940:Circadian Rhythm