Multifaceted Roles of Versatile LEA-II Proteins in Plants

Mughair Abdul Aziz, Khaled Masmoudi

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

The abiotic stresses immensely affect the plant growth and development. Various responsive and adaptive mechanisms have been evolved within the plants to overcome the adverse effects of the stressful condition. LEA-II proteins play a vital role in plant’s responses to abiotic stresses. They are the most diverse class of LEA (late embryogenesis abundant) proteins that amass during the seed maturation or are induced by abiotic stresses such as temperature, drought, salinity, and heavy metals. Numerous studies have affirmed the protective role played by the LEA-II proteins in plants. This chapter provides a comprehensive understanding of plant LEA-II proteins, with an overview of the progresses made toward their structural and functional characterization under various abiotic stresses. In addition, omics techniques that have aided in exploring the differential properties of LEA-II proteins are discussed. For almost 30?years, LEA-II proteins have been known to act as chaperones and bind to ions for plant protection. The recent studies suggest further functional properties of LEA-II proteins in protecting membranes, stabilizing macromolecules, aiding in free radical scavenging, and acting as antioxidants for alleviating the oxidative damages caused to plants under the climatic stress. Advances in the understanding of LEA-II proteins’ structure, occurrence, function, and their close interconnection with the countering of abiotic stresses demonstrate the significant ability of LEA-II proteins in enhancing the plants’ stress tolerance.

Original languageEnglish
Title of host publicationMultiple Abiotic Stress Tolerances in Higher Plants
Subtitle of host publicationAddressing the Growing Challenges
PublisherCRC Press
Pages143-162
Number of pages20
ISBN (Electronic)9781000958225
ISBN (Print)9781032292410
DOIs
Publication statusPublished - Jan 1 2023

ASJC Scopus subject areas

  • General Agricultural and Biological Sciences
  • General Biochemistry,Genetics and Molecular Biology
  • General Medicine

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