Circadian rhythms in microorganisms: New complexities

被引：64

作者：

Lakin-Thomas, PL

Brody, S

机构：

[1] York Univ, Dept Biol, N York, ON M3J 1P3, Canada

[2] Univ Calif San Diego, Div Biol Sci, La Jolla, CA 92093 USA

来源：

ANNUAL REVIEW OF MICROBIOLOGY | 2004年 / 58卷

关键词：

clocks; fungi; Neurospora; Gonyaulax; Synechococcus;

D O I：

10.1146/annurev.micro.58.030603.123744

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Recent advances in understanding circadian (daily) rhythms in the genera Neurospora, Gonyaulax, and Synechococcus are reviewed and new complexities in their circadian systems are described. The previous model, consisting of a unidirectional flow of information from input to oscillator to output, has now expanded to include multiple input pathways, multiple oscillators, multiple outputs; and feedback from oscillator to input and output to oscillator. New posttranscriptional features of the frq/white-collar oscillator (FWC) of Neurospora are described, including protein phosphorylation and degradation, dimerization, and complex formation. Experimental evidence is presented for frq-less oscillator(s) (FLO) downstream of the FWC. Mathematical models of the Neurospora system are also discussed.

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收藏

页码：489 / 519

页数：31

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