Circadian rhythms in microorganisms: New complexities

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...

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Published in:Annual review of microbiology 2004-01, Vol.58 (1), p.489-519
Main Authors: LAKIN-THOMAS, Patricia L, BRODY, Stuart
Format: Article
Language:English
Subjects:
Animals
Aspergillus - genetics
Aspergillus - physiology
Biological and medical sciences
Circadian Rhythm - genetics
Circadian Rhythm - physiology
Circadian rhythms
Dinoflagellida - genetics
Dinoflagellida - physiology
Fundamental and applied biological sciences. Psychology
Fungal Proteins - genetics
Fungal Proteins - physiology
Gonyaulax
Mathematical models
Microbiology
Microorganisms
Models, Biological
Neurospora
Neurospora - genetics
Neurospora - physiology
Synechococcus
Synechococcus - genetics
Synechococcus - physiology
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creator LAKIN-THOMAS, Patricia L
BRODY, Stuart
description 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.
doi_str_mv 10.1146/annurev.micro.58.030603.123744
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source Annual Reviews
subjects Animals
Aspergillus - genetics
Aspergillus - physiology
Biological and medical sciences
Circadian Rhythm - genetics
Circadian Rhythm - physiology
Circadian rhythms
Dinoflagellida - genetics
Dinoflagellida - physiology
Fundamental and applied biological sciences. Psychology
Fungal Proteins - genetics
Fungal Proteins - physiology
Gonyaulax
Mathematical models
Microbiology
Microorganisms
Models, Biological
Neurospora
Neurospora - genetics
Neurospora - physiology
Synechococcus
Synechococcus - genetics
Synechococcus - physiology
title Circadian rhythms in microorganisms: New complexities
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