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Since the discovery of circadian rhythms in cyanobacteria in the late 1980s, the field has exploded with new information. The cyanobacterial model system for studying circadian rhythms, "Synechococcus elongatus," has allowed a detailed genetic dissection of the bacterial clock due to the methods curre...
The cyanobacterium Synechococcus elongatus is a model organism for the study of circadian rhythms. It is naturally competent for transformation—that is, it takes up DNA from the environment, but the underlying mechanisms are unclear. Here, we use a geno
proteins KaiA, KaiB and KaiC, but some cyanobacteria have additional homologous proteins of unclear function. Here, the authors show that a KaiABC homolog system contributes, together with the canonical oscillator, to the control of circadian rhythms in the model cyanobacteriumSynechocystissp. PCC ...
Cyanobacteria are prokaryotes that express circadian (daily) rhythms. In rhythmic environments, the fitness of cyanobacteria is improved when this clock is operational and when its circadian period is similar to the period of the environmental cycle. In cyanobacteria, three key proteins (KaiA, KaiB ...
A protein fold switch joins the circadian oscillator to clock output in cyanobacteria. Science, 349(6245), 324-328.Chang, Y. G. et al. Circadian rhythms. A protein fold switch joins the circadian oscillator to clock output in ... YG Chang,SE Cohen,C Phong,... - 《Science》 被引量:...
Circadian rhythms, observed across all domains of life, enable organisms to anticipate and prepare for diel changes in environmental conditions. In bacteria, a circadian clock mechanism has only been characterized in cyanobacteria to date. These clocks r
Hokkaido,062-8517Japan *Correspondingauthor:E-mail,nakanishi@light.t.u-tokyo.ac.jp;Fax,+81-3-5841-8751. (ReceivedDecember22,2014;AcceptedApril28,2015) Recentresearchoncellularcircadianrhythmssuggests thatthecouplingoftranscription–translationfeedback loopsandintracellularredoxoscillationsisessentialfor robust...
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