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Circadian rhythms

Finer clock control

The clock that governs circadian rhythms is based on a molecular feedback loop, which has just become more complex — two more proteins have been identified as likely components of the loop.

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Figure 1: The circadian clock and its regulation.


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Correspondence to J. D. Alvarez or Amita Sehgal.

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Alvarez, J., Sehgal, A. Finer clock control. Nature 419, 798–799 (2002).

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