Factors involved in transcriptional output from the kai-protein-based circadian oscillator

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Abstract

    In the cyanobacterium Synechococcus elongatus PCC 7942, the central oscillator of the circadian system consists of three genes (kaiA, kaiB, kaiC) and their protein products. In the presence of ATP, the interactions among these proteins drive a temperature-compensated circadian rhythm of KaiC phosphorylation in vitro. The temporal information from this protein-based chemical oscillator regulates expression from essentially all gene promoters in vivo. Some insights have been reported that describe key factors involved in the transduction of temporal information from the central oscillator via circadian output pathways. Moreover, recent studies have demonstrated that the rhythm in gene transcription is sustained, even in the absence of rhythmic KaiC phosphorylation, suggesting that several interconnected output pathways are integrated into the robust circadian oscillatory system in cyanobacteria.

    Original languageEnglish
    Title of host publicationBacterial Circadian Programs
    PublisherSpringer-Verlag Berlin Heidelberg
    Pages157-168
    Number of pages12
    ISBN (Print)9783540884316, 9783540884309
    DOIs
    Publication statusPublished - 2009

    Fingerprint

    Cyanobacteria
    Phosphorylation
    Genes
    Synechococcus
    Proteins
    Circadian Rhythm
    Adenosine Triphosphate
    Temperature
    In Vitro Techniques

    ASJC Scopus subject areas

    • Immunology and Microbiology(all)

    Cite this

    Factors involved in transcriptional output from the kai-protein-based circadian oscillator. / Iwasaki, Hideo.

    Bacterial Circadian Programs. Springer-Verlag Berlin Heidelberg, 2009. p. 157-168.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Iwasaki, Hideo. / Factors involved in transcriptional output from the kai-protein-based circadian oscillator. Bacterial Circadian Programs. Springer-Verlag Berlin Heidelberg, 2009. pp. 157-168
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