The Transcriptional Network in the Arabidopsis Circadian Clock System.
The Transcriptional Network in the Arabidopsis Circadian Clock System.
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DOI:
10.3390/genes11111284
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发表时间:
2020-10-29
期刊:
影响因子:
3.5
通讯作者:
Nakamichi N
中科院分区:
文献类型:
--
作者:
Nakamichi N
The circadian clock is the biological timekeeping system that governs the approximately 24-h rhythms of genetic, metabolic, physiological and behavioral processes in most organisms. This oscillation allows organisms to anticipate and adapt to day–night changes in the environment. Molecular studies have indicated that a transcription–translation feedback loop (TTFL), consisting of transcriptional repressors and activators, is essential for clock function in Arabidopsis thaliana (Arabidopsis). Omics studies using next-generation sequencers have further revealed that transcription factors in the TTFL directly regulate key genes implicated in clock-output pathways. In this review, the target genes of the Arabidopsis clock-associated transcription factors are summarized. The Arabidopsis clock transcriptional network is partly conserved among angiosperms. In addition, the clock-dependent transcriptional network structure is discussed in the context of plant behaviors for adapting to day–night cycles.
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