Watching the cogwheels of the biological clock in living cells

Most physiological functions in mammals are controlled by a daily internal time-keeping system, termed the circadian clock. The transcription of many genes producing detoxifying enzymes is regulated by DBP, a protein that is itself expressed in a highly rhythmic fashion. Scientists have now deciphered the molecular basis of how the circadian clock controls the rhythmic production of DBP protein in individual living cells.

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