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  • Title: The current state and problems of circadian clock studies in cyanobacteria.
    Author: Iwasaki H, Kondo T.
    Journal: Plant Cell Physiol; 2000 Sep; 41(9):1013-20. PubMed ID: 11100773.
    Abstract:
    Circadian rhythms have been observed in innumerable physiological processes in most of organisms. Recent molecular and genetic studies on circadian clocks in many organisms have identified and characterized several molecular regulatory factors that contribute to generation of such rhythms. The cyanobacterium is the simplest organism known to harbor circadian clocks, and it has become one of most successful model organisms for circadian biology. In this review, we will briefly summarize physiological observations and consideration of circadian rhythms in cyanobacteria, molecular genetics of the clock using Synechococcus, and current knowledge of the input and output pathways that support the cellular circadian system. Finally, we will document some current problems in the studies on the cyanobacterial circadian clock.
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