Circadian rhythms in the synthesis and degradation of a master clock protein KaiC in cyanobacteria.

Abstract excerpt

A circadian rhythm in the accumulation of the core clock protein KaiC has been proposed to be important for proper circadian timing in the cyanobacterium Synechococcus elongatus PCC 7942 under continuous light conditions. Cycling in the abundance of the KaiC protein is delayed to the rhythm of its mRNA by approximately 8 h, consistent with the proposed function of KaiC as a negative feedback regulator of kaiBC...

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