Document Detail


Unraveling the circadian clock in Arabidopsis.
MedLine Citation:
PMID:  23221775     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The circadian clock is an endogenous timing system responsible for coordinating an organism's biological processes with its environment. Interlocked transcriptional feedback loops constitute the fundamental architecture of the circadian clock. In Arabidopsis, three feedback loops, the core loop, morning loop and evening loop, comprise a network that is the basis of the circadian clock. The components of these three loops are regulated in distinct ways, including transcriptional, post-transcriptional and posttranslational mechanisms. The discovery of the DNA-binding and repressive activities of TOC1 has overturned our initial concept of its function in the circadian clock. The alternative splicing of circadian clock-related genes plays an essential role in normal functioning of the clock and enables organisms to sense environmental changes. In this review, we describe the regulatory mechanisms of the circadian clock that have been identified in Arabidopsis.
Authors:
Xiaoxue Wang; Ligeng Ma
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-06
Journal Detail:
Title:  Plant signaling & behavior     Volume:  8     ISSN:  1559-2324     ISO Abbreviation:  Plant Signal Behav     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101291431     Medline TA:  Plant Signal Behav     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
College of Agronomy; Rice Research Institute; Shenyang Agricultural University; Shenyang, P.R. China.
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