RNA-based regulation in the plant circadian clock

The circadian clock regulates a significant portion of the plant transcriptome, affecting gene expression over a 24-hour cycle.

• The circadian system consists of an oscillator driven by interconnected feedback loops that regulate clock genes and proteins.
• Post-transcriptional processes, including mRNA splicing and decay, are important for maintaining rhythmic patterns of gene expression.
• The review emphasizes the regulatory role of noncoding RNAs in the circadian rhythm of gene expression.
• Findings from Arabidopsis are compared with insights from other model organisms to enhance understanding of circadian regulation.

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