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Winding up the cyanobacterial circadian clock

机译:结束蓝藻生物钟

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The endogenous circadian clock of the cyanobacterium Synechococcus elongatus controls many cellular processes and confers an adaptive advantage on this organism in a competitive environment. To be advantageous, this internal biological oscillator must be reset daily to remain in synchrony with its environment and to transduce temporal information to control behaviors at appropriate times of day. Recent studies have discovered new components of these input and output pathways of the clock that help to ‘wind up’ our understanding of the clock system as a whole. Here we review the mechanisms by which S. elongatus maintains internal time, discuss how external stimuli affect this oscillation, and evaluate the mechanisms underlying circadian controlled cellular events.
机译:蓝藻Synchococcus elongatus的内源性生物钟控制着许多细胞过程,并在竞争环境中赋予了这种生物以适应性优势。有利的是,必须每天重置此内部生物振荡器,以使其与其环境保持同步,并转换时间信息以控制一天中适当时间的行为。最近的研究发现了时钟的这些输入和输出路径的新组成部分,有助于“加深”我们对整个时钟系统的理解。在这里,我们回顾了延长链球菌维持内部时间的机制,讨论了外部刺激如何影响这种振荡,并评估了昼夜节律控制的细胞事件的机制。

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