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Light signal perceived by the red/far-red absorbing phytochrome (phy) family of photoreceptors regulates plant growth and development throughout the life cycle. Phytochromes regulate the light-triggered physiological responses by controlling gene expression both at the transcriptional and post-transcriptional levels. Recent large-scale RNA-seq studies have demonstrated the roles of phys in altering the global transcript diversity by modulating the pre-mRNA splicing in response to light. Moreover, several phy-interacting splicing factors/regulators from different species have been identified using forward genetics and protein-protein interaction studies, which modulate the light-regulated pre-mRNA splicing. In this article, we summarize our current understanding of the role of phys in the light-mediated pre-mRNA splicing and how that contributes to the regulation of gene expression to promote photomorphogenesis. Copyright © 2021 Elsevier Ltd. All rights reserved.


Praveen Kumar Kathare, Enamul Huq. Light-regulated pre-mRNA splicing in plants. Current opinion in plant biology. 2021 Oct;63:102037

PMID: 33823333

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