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Diel changes in the environment are perceived by the circadian clock which transmits temporal information throughout the plant cell to synchronize daily and seasonal environmental signals with internal biological processes. Dynamic modulations of diverse levels of clock gene regulation within the plant cell are impacted by stress. Recent insights into circadian control of cellular processes such as alternative splicing, polyadenylation, and noncoding RNAs are discussed. We highlight studies on the circadian regulation of reactive oxygen species, calcium signaling, and gating of temperature stress responses. Finally, we briefly summarize recent work on the translation-specific rhythmicity of cell cycle genes and the control of subcellular localization and relocalization of oscillator components. Together, this mini-review highlights these cellular events in the context of clock gene regulation and stress responses in Arabidopsis. Copyright © 2021 The Author(s). Published by Elsevier Ltd.. All rights reserved.


Titouan Bonnot, Emily J Blair, Samantha J Cordingley, Dawn H Nagel. Circadian coordination of cellular processes and abiotic stress responses. Current opinion in plant biology. 2021 Dec;64:102133

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PMID: 34773857

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