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Correction: Akhter et al. Silicon-Induced Mitigation of NaCl Stress in Barley (<i>Hordeum vulgare</i> L.), Associated with Enhanced Enzymatic and Non-Enzymatic Antioxidant Activities. <i>Plants</i> 2022<i>, 11</i>, 2379.

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Salt stress proteins in plants: An overview.

Habib-Ur-Rehman Athar1,2, Faisal Zulfiqar3, Anam Moosa4

  • 1Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan.

Frontiers in Plant Science
|January 2, 2023
PubMed
Summary

Plant salt tolerance relies on soluble proteins, not just gene expression. Proteomics reveals key proteins and modifications crucial for crop survival under salinity stress, guiding breeding strategies.

Keywords:
LEA proteinsdehydrinsdifferentially expressed proteinsion transportersomicsosmotinphotosynthesisreceptor-like kinases

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Area of Science:

  • Plant Science
  • Molecular Biology
  • Biochemistry

Background:

  • Salinity stress severely impacts crop productivity, making salt tolerance a critical research area.
  • While genomics and transcriptomics offer insights, proteomic analysis is essential for understanding protein-level changes and their role in plant salt tolerance.
  • Limited information exists on specific salt stress-responsive proteins, their functions, and post-translational modifications.

Purpose of the Study:

  • To review recent advances in proteome profiling of plants under salinity stress.
  • To synthesize current knowledge on how salinity regulates proteins involved in plant salt tolerance mechanisms.
  • To highlight the role of transgenic approaches in enhancing salt tolerance through protein regulation.

Main Methods:

  • Proteome profiling to identify changes in protein abundance and types under salt stress.
  • Analysis of gene expression and physiological data to complement proteomic findings.
  • Review of literature on protein functions and post-translational modifications in salt-stressed plants.

Main Results:

  • Proteomics provides a more direct measure of salt tolerance than gene expression alone.
  • Identified various soluble proteins and regulatory proteins involved in plant salt tolerance.
  • Highlighted the importance of post-translational modifications in salt stress response.

Conclusions:

  • Proteomics is vital for a comprehensive understanding of plant salt tolerance mechanisms.
  • Further research on specific proteins and modifications can guide the development of salt-tolerant crops.
  • Transgenic strategies targeting protein regulation show promise for improving crop resilience to salinity.