PJB-2024-440
Dehydrins as key protector of plant abiotic tolerance: an update
Yu Zhengyang
Abstract
This review article provides an updated overview of the structural and functional aspects of dehydrins, a group of intrinsically disordered proteins (IDPs) that play a pivotal role in plant stress tolerance. Dehydrins are known to be involved in the protection of plants against various abiotic stresses, such as extreme temperatures, drought, and salinity. The review highlights the architectural composition of dehydrins, including their conserved K-, Y-, S-, F-, D- and φ-segments, which contribute to their structural diversity and functional versatility. The dynamic nature of dehydrins, which allows them to adopt transient conformations and interact with multiple cellular components, is crucial for their protective roles under stress conditions. The article also discusses the regulatory mechanisms of dehydrins, emphasizing the importance of understanding the signaling pathways that control their expression. The review further explores the potential of dehydrins as biomarkers for plant stress management and their application in crop improvement strategies.
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