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Exploring Tolerance Mechanisms in Plants Under Stress

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: 20 March 2026 | Viewed by 580

Special Issue Editor

State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Stress Biology, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
Interests: hypoxia; BPH; gene family; heavy metal; phytohormone

Special Issue Information

Dear Colleagues,

In the constantly shifting environment, plants are incessantly confronted with a multitude of biotic and abiotic stresses, including drought, salinity, hypoxia, extreme temperatures, heavy metals, nutrient deficiencies, and pests and diseases, all of which pose significant threats to their growth and productivity. Over the millennia, evolution has endowed plants with intricate self-regulation mechanisms to cope with these challenges. The core of this resilience lies in the genes or gene families that function as master regulators, coordinating the expression of other genes to fine-tune the plant's response to specific stressors. In addition, phytohormones serve as vital signaling molecules, initiating a cascade of reactions that fine-tune growth and elicit adaptive strategies.

This Special Issue, "Exploring Tolerance Mechanisms in Plants Under Stress", delves into these remarkable adaptive systems, highlighting the latest research on gene functions and hormone signaling pathways. By understanding these mechanisms, we can pave the way for developing more stress-resistant crop varieties, ensuring food security and ecological sustainability.

Dr. Lujun Yu
Guest Editor

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Keywords

  • stress
  • tolerance
  • gene family
  • phytohormones
  • mechanisms

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Published Papers (1 paper)

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Research

15 pages, 5488 KB  
Article
Investigating the Function of TaUBX57 in Enhancing Abiotic Stress Tolerance in Wheat
by Min Jeong Hong, Chan Seop Ko, Man Bo Lee, Do Yoon Hyun and Dae Yeon Kim
Int. J. Mol. Sci. 2025, 26(16), 7995; https://doi.org/10.3390/ijms26167995 - 19 Aug 2025
Viewed by 336
Abstract
Wheat (Triticum aestivum L.), a crucial global food crop, provides approximately 20% of daily protein and caloric intake globally. However, its production is increasingly threatened by abiotic stressors, especially drought and salinity, which are exacerbated by climate change. These stressors adversely affect [...] Read more.
Wheat (Triticum aestivum L.), a crucial global food crop, provides approximately 20% of daily protein and caloric intake globally. However, its production is increasingly threatened by abiotic stressors, especially drought and salinity, which are exacerbated by climate change. These stressors adversely affect plant growth, development, and yield, necessitating the development of stress-tolerant varieties. This study investigated the role of TaUBX57, a U-box E3 ubiquitin ligase, in enhancing stress tolerance in wheat. Functional domain analysis of TaUBX57 confirmed the presence of a conserved U-box and a protein kinase domain, suggesting its involvement in protein ubiquitination and stress responses. TaUBX57-overexpressing transgenic Arabidopsis lines exhibited significantly improved germination rates, root growth, and survival under drought and salt stress conditions. TaUBX57 overexpression enhanced antioxidant enzyme activities and reduced the expression of oxidative stress markers, such as malondialdehyde. These findings highlight the potential role of TaUBX57 in modulating stress-responsive pathways and enhancing abiotic stress tolerance, offering a promising avenue for developing more resilient wheat varieties through genetic engineering. Full article
(This article belongs to the Special Issue Exploring Tolerance Mechanisms in Plants Under Stress)
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