A KaiC-Interacting Sensory Histidine Kinase, SasA, Necessary to Sustain Robust Circadian Oscillation in Cyanobacteria

@article{Iwasaki2000AKS,
  title={A KaiC-Interacting Sensory Histidine Kinase, SasA, Necessary to Sustain Robust Circadian Oscillation in Cyanobacteria},
  author={Hideo Iwasaki and Stanly B. Williams and Yohko Kitayama and Masahiro Ishiura and Susan S Golden and Takao Kondo},
  journal={Cell},
  year={2000},
  volume={101},
  pages={223-233}
}
Both regulated expression of the clock genes kaiA, kaiB, and kaiC and interactions among the Kai proteins are proposed to be important for circadian function in the cyanobacterium Synechococcus sp. strain PCC 7942. We have identified the histidine kinase SasA as a KaiC-interacting protein. SasA contains a KaiB-like sensory domain, which appears sufficient for interaction with KaiC. Disruption of the sasA gene lowered kaiBC expression and dramatically reduced amplitude of the kai expression… CONTINUE READING

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