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ROS and Abiotic Stress in Plants, 3rd Edition

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: 31 March 2026 | Viewed by 86

Special Issue Editors


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Guest Editor
1. Department of Molecular Plant Physiology, Center of Plant Systems Biology and Biotechnology, 14 Knyaz Boris I Pokrastitel Str., 4023 Plovdiv, Bulgaria
2. Department of Molecular Biology, University of Plovdiv, 24 Tsar Assen Str., 4000 Plovdiv, Bulgaria
Interests: abiotic stress; antioxidant enzymes; dessication tolerance; drought; Haberlea rhodopensis; oxidative stress; seaweed biostimulants; Xerophyta viscosa
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
1. Center of Plant Systems Biology and Biotechnology, 14 Knyaz Boris I Pokrastitel Str., 4023 Plovdiv, Bulgaria
2. Department of Plant Physiology, Biochemistry and Genetics, Agricultural University, 12 Mendeleev Str., 4000 Plovdiv, Bulgaria
Interests: abiotic stresses; biostimulants; desiccation tolerance; plant biochemistry; signal transduction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue serves as the third edition in the series on the topic “ROS and Abiotic Stress in Plants”.

https://www.mdpi.com/journal/ijms/special_issues/ROS_abiotic_stress

https://www.mdpi.com/journal/ijms/special_issues/plantROS

Abiotic stresses cause plant growth inhibition, damage, and, in the most severe cases, cell death, resulting in major crop yield losses worldwide. Many abiotic stresses can also lead to oxidative stress. Recent genetic and genomic studies have revealed highly complex and integrated gene networks related to abiotic stress and reactive oxygen species, which are responsible for stress adaptation. Therefore, a systems biology approach is needed in order to fully understand the molecular mechanisms of stress tolerance, to find solutions for stress mitigation, and to secure sustainable crop production for the growing human population in an era of global climate change.

The papers submitted to this Special Issue should report original research that delves into the intricate molecular pathways promoting plant tolerance to single or combined abiotic stresses, as well as oxidative stress, providing novel insights into the control mechanisms regulating plant growth or defense programs under adverse conditions. Multidisciplinary approaches that study the experimental systems from systems biology, molecular biology, genetic, physiological, and biochemical perspectives are encouraged.

Prof. Dr. Tsanko S. Gechev
Dr. Veselin Petrov
Guest Editors

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Keywords

  • chilling and freezing
  • drought stress
  • heat stress
  • heavy metals stress
  • nutrient and mineral stress
  • oxidative stress
  • resurrection plants and desiccation tolerance
  • salinity

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Published Papers (1 paper)

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Research

17 pages, 2951 KB  
Article
Delay in Flowering Time in Arabidopsis thaliana Col-0 Under Water Deficit and in the ddc Triple Methylation Knockout Mutant Is Correlated with Shared Overexpression of BBX16 and BBX17
by Emil Vatov and Tsanko Gechev
Int. J. Mol. Sci. 2025, 26(17), 8360; https://doi.org/10.3390/ijms26178360 - 28 Aug 2025
Abstract
This study addresses the role of cytosine methylation in the fine-tuning of flowering time under water deficit in Arabidopsis thaliana. A drm1 drm2 cmt3 (ddc) triple methylation mutant was used together with the Col-0 wild type. The plants were grown under long-day conditions [...] Read more.
This study addresses the role of cytosine methylation in the fine-tuning of flowering time under water deficit in Arabidopsis thaliana. A drm1 drm2 cmt3 (ddc) triple methylation mutant was used together with the Col-0 wild type. The plants were grown under long-day conditions with water deficit induced by cessation of watering starting 12 days after seeding. Col-0 showed a 1-day delay in flowering as a result of the treatment. In contrast, ddc showed a 2-day delay regardless of the experimental conditions. We found that the two b-box domain proteins, BBX16/COL7 and BBX17/COL8, became overexpressed in the ddc background and in Col-0 under water deficit 24 days after seeding. Additionally, the NF-YA2 transcription factor became correspondingly down-regulated. Our results support a model where BBX16/COL7 and BBX17/COL8 interact with CONSTANS to delay the induction of FT under long-day conditions. NF-YA2, which is also recognized as a promoter of FT expression, with its down-regulation causes additional delay of FT-induced flowering. The plants overcome the BBX/NF-YA inhibition easily, resulting in a relatively small delay in flowering. The expression patterns of the three genes suggest the involvement of cytosine methylation in their regulation; however, no differential methylation could be found in cis that can explain these effects. The results therefore suggest a trans acting mechanism. Considering that the activities of BBX16/COL7 and BBX17/COL8 in different physiological conditions are not elucidated, this paper provides a background for future experiments targeting the role of these genes in the fine-tuning of flowering time in A. thaliana. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants, 3rd Edition)
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