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Newly Isolated Circadian Clock Components Conserved Across Eukaryotes

Organisms maintain circadian rhythms that coordinate biological processes with daily environmental changes. The circadian clock molecular mechanism is self-sustaining, yet is also capable of entrainment to variable environmental conditions (reviewed in McClung, 2006). At its simplest, the circadian clock has a central oscillator that perpetuates a diurnal cycle and is synchronized to the environment by inputs such as light and temperature signals. The oscillator then produces outputs that control cellular processes. Outputs of the plant circadian clock include changes in gene expression, physical changes such as leaf movements, and the measurement of daylength to determine flowering time. ...

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