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<p>LEA3 proteins are crucial for plant stress tolerance against drought, salinity, and cold. This review highlights their structure, featuring disordered conformations and conserved motifs like the 11-mer repeat, which enable stress adaptation. LEA3 genes are induced by abiotic stresses and exhibit tissue-specific expression. Functional studies show they protect cells via cryoprotection, metal binding, and biomolecule stabilization. Overexpression enhances stress resilience in transgenic plants. Genome-wide analyses reveal evolutionary diversification linked to stress adaptation. This review consolidates current knowledge on LEA3 proteins, emphasizing their molecular versatility and prospects for biotechnological applications in stress-resilient agriculture.</p>

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The versatile functions of late embryogenesis abundant 3 (LEA3) proteins in plants

  • 期刊论文

  • 发表日期：

    2026年3月31日

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  • Zhengyang Yu,
  • Feixiang Liu,
  • Na Sang

摘要

LEA3 proteins are crucial for plant stress tolerance against drought, salinity, and cold. This review highlights their structure, featuring disordered conformations and conserved motifs like the 11-mer repeat, which enable stress adaptation. LEA3 genes are induced by abiotic stresses and exhibit tissue-specific expression. Functional studies show they protect cells via cryoprotection, metal binding, and biomolecule stabilization. Overexpression enhances stress resilience in transgenic plants. Genome-wide analyses reveal evolutionary diversification linked to stress adaptation. This review consolidates current knowledge on LEA3 proteins, emphasizing their molecular versatility and prospects for biotechnological applications in stress-resilient agriculture.