期刊
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
卷 19, 期 6, 页码 554-559出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.semcdb.2008.07.012
关键词
Arabidopsis thaliana; Circadian clock; Photoperiod; Chromatin remodelling; Histone acetylation-deacetylation
资金
- Spanish Ministry of Science and Education (MEC) [BIO2007-66068, SAF2007-65291]
- EUROHORCS ( European Heads Of Research Councils)
- European Science Foundation (ESF) through the EURYI ( European Young Investigator)
- EMBO YIP
- Spanish Ministry of Science and Education (MEC)
Plants, as many other organisms, synchronize the timing of their physiology and development by using an endogenous mechanism called circadian clock. Perception of environmental changes during the day-night cycle is crucial for circadian function, which relies on transcriptional feedback loops at the core of a central oscillator. Recent studies in Arabidopsis have shown that the transcriptional regulation of clock gene expression is governed by rhythmic changes in chromatin structure. The chromatin remodelling activities relevant for clock function are modulated by day-length or photoperiod, suggesting a mechanism by which the plant clock synchronizes development with the external time. Evidence that a central component of the mammalian clock has histone acetyltransferase activity suggests that chromatin remodelling has evolved as an important mechanism for circadian function. (c) 2008 Elsevier Ltd. All rights reserved.
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