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Published on: October 14, 2022
UTR-Dependent Control of Gene Expression in Plants
Ashish Kumar Srivastava1, Yuming Lu2, Gaurav Zinta2
1Shanghai Center for Plant Stress Biology and Center of Excellence for Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, China; Permanent address: Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Mumbai 400085, India.
Abstract:
Throughout their lives, plants sense many developmental and environmental stimuli, and activation of optimal responses against these stimuli requires extensive transcriptional reprogramming. To facilitate this activation, plant mRNA contains untranslated regions (UTRs) that significantly increase the coding capacity of the genome by producing multiple mRNA variants from the same gene. In this review we compare UTRs of arabidopsis (Arabidopsis thaliana) and rice (Oryza sativum) at the genome scale to highlight their complexity in crop plants. We discuss different modes of UTR-based regulation with emphasis on genes that regulate multiple plant processes, including flowering, stress responses, and nutrient homeostasis. We demonstrate functional specificity in genes with variable UTR length and propose future research directions.
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