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The Jumonji C Domain-Containing Protein JMJ30 Regulates Period Length in the Arabidopsis Circadian Clock
The JMJ30 protein controls the timing of the daily clock in Arabidopsis plants
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Abstract
Arabidopsis JMJ30 is identified as a novel regulator of circadian period length.
- Histone methylation is crucial for gene expression and chromatin structure regulation.
- Jumonji C domain-containing proteins are primarily known as histone demethylases.
- The circadian clock influences numerous biological processes, with chromatin remodeling playing a role in both plants and mammals.
- Loss- and gain-of-function mutants indicate that JMJ30 regulates the circadian clock period length in Arabidopsis.
- Transcription factors CIRCADIAN CLOCK ASSOCIATED1 and LATE ELONGATED HYPOCOTYL directly bind to the JMJ30 promoter, suggesting a regulatory mechanism.
- JMJ30 may provide a molecular link between chromatin remodeling and circadian clock function.
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