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  • Title: Pre-mRNA alternative splicing as a modulator for heat stress response in plants.
    Author: Ling Y, Mahfouz MM, Zhou S.
    Journal: Trends Plant Sci; 2021 Nov; 26(11):1153-1170. PubMed ID: 34334317.
    Abstract:
    The molecular responses of plants to the important abiotic stress, heat stress (HS), have been extensively studied at the transcriptional level. Alternative splicing (AS) is a post-transcriptional regulatory process in which an intron-containing gene can generate more than one mRNA variant. The impact of HS on the pre-mRNA splicing process has been reported in various eukaryotes but seldom discussed in-depth, especially in plants. Here, we review AS regulation in response to HS in different plant species. We discuss potential molecular mechanisms controlling heat-inducible AS regulation in plants and hypothesize that AS regulation participates in heat-priming establishment and HS memory maintenance. We propose that the pre-mRNA splicing variation is an important regulator of plant HS responses (HSRs).
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