A crosstalk of circadian clock and alternative splicing under abiotic stresses in the plants

Tao Fan, Mehtab Muhammad Aslam, Jian Li Zhou, Mo Xian Chen, Jianhua Zhang, Shenxiu Du, Kai Lu Zhang*, Yun Sheng Chen*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

The circadian clock is an internal time-keeping mechanism that synchronizes the physiological adaptation of an organism to its surroundings based on day and night transition in a period of 24 h, suggesting the circadian clock provides fitness by adjusting environmental constrains. The circadian clock is driven by positive and negative elements that regulate transcriptionally and post-transcriptionally. Alternative splicing (AS) is a crucial transcriptional regulator capable of generating large numbers of mRNA transcripts from limited numbers of genes, leading to proteome diversity, which is involved in circadian to deal with abiotic stresses. Over the past decade, AS and circadian control have been suggested to coordinately regulate plant performance under fluctuating environmental conditions. However, only a few reports have reported the regulatory mechanism of this complex crosstalk. Based on the emerging evidence, this review elaborates on the existing links between circadian and AS in response to abiotic stresses, suggesting an uncovered regulatory network among circadian, AS, and abiotic stresses. Therefore, the rhythmically expressed splicing factors and core clock oscillators fill the role of temporal regulators participating in improving plant growth, development, and increasing plant tolerance against abiotic stresses.

Original languageEnglish
Article number976807
JournalFrontiers in Plant Science
Volume13
DOIs
Publication statusPublished - 6 Oct 2022

Scopus Subject Areas

  • Plant Science

User-Defined Keywords

  • abiotic stress
  • circadian clock
  • plant
  • signal transduction
  • splicing regulation

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