Lucia Gonzalo , Axel J. Giudicatti , Pablo A. Manavella
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HYL1's multiverse: A journey through miRNA biogenesis and beyond canonical and non-canonical functions of HYL1
A delicate balance in gene expression, a process highly controlled by post-transcriptional gene silencing mediated by miRNAs, is vital during plant growth and responses to stress. Within the miRNA biogenesis pathway, HYL1 is one of the most important proteins, initially recognized for its role as a cofactor of DCL1. Yet, HYL1's functions extend beyond miRNA processing, encompassing transcriptional regulation and protein translation between other recently discovered functions. This review comprehensively examines our current knowledge of HYL1 functions in plants, looking at its structure, the complex biochemistry behind it, and its involvement in a variety of cellular processes. We also explored the most compelling open questions regarding HYL1 biology and the further perspectives in its study. Unraveling HYL1 functional details could better understand how plants grow, face environmental stresses, and how the miRNA pathway adapts its outcome to the plant growing conditions.
期刊介绍:
Current Opinion in Plant Biology builds on Elsevier's reputation for excellence in scientific publishing and long-standing commitment to communicating high quality reproducible research. It is part of the Current Opinion and Research (CO+RE) suite of journals. All CO+RE journals leverage the Current Opinion legacy - of editorial excellence, high-impact, and global reach - to ensure they are a widely read resource that is integral to scientists' workflow.