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Article

ATPase activity of KaiC determines the basic timing for circadian clock of cyanobacteria.

Proceedings of the National Academy of Sciences of the United States of America - 9 Oct 2007

Terauchi Kazuki, Kitayama Yohko, Nishiwaki Taeko, Miwa Kumiko, Murayama Yoriko, Oyama Tokitaka, Kondo Takao

Abstract excerpt

Self-sustainable oscillation of KaiC phosphorylation has been reconstituted in vitro, demonstrating that this cycle is the basic time generator of the circadian clock of cyanobacteria. Here we show that the ATPase activity of KaiC satisfies the characteristics of the circadian oscillation, the pe...

Topics

Adenosine Triphosphatases
Bacterial Proteins
Circadian Rhythm
Circadian Rhythm Signaling Peptides and Proteins
Genes, Bacterial
Models, Biological
Mutation
Phosphorylation
Recombinant Proteins
Synechococcus
Temperature

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Identifiers

PMID: 17901204
DOI: 10.1073/pnas.0706292104
PMCID: PMC2042214

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-17901204-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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ATPase activity of KaiC determines the basic timing for circadian clock of cyanobacteria.PMID 17901204Read ↗

Tuning the circadian period of cyanobacteria up to 6.6 days by the single amino acid substitutions in KaiC.Semantic proximity Read ↗

Intrinsic period stability of the cyanobacterial circadian oscillator across in vitro and in vivo conditions.Semantic proximity Read ↗

Reconstitution of circadian oscillation of cyanobacterial KaiC phosphorylation in vitro.Semantic proximity Read ↗

Rhythmic adenosine triphosphate release from the cyanobacterial circadian clock protein KaiC revealed by real-time monitoring of bioluminescence using firefly luciferase.Semantic proximity Read ↗

KaiA-stimulated KaiC phosphorylation in circadian timing loops in cyanobacteria.Semantic proximity Read ↗

Dephosphorylation of the core clock protein KaiC in the cyanobacterial KaiABC circadian oscillator proceeds via an ATP synthase mechanism.Semantic proximity Read ↗

Circadian clocks go in vitro: purely post-translational oscillators in cyanobacteria.Semantic proximity Read ↗

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Intermolecular associations determine the dynamics of the circadian KaiABC oscillator.Semantic proximity Read ↗

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