Redox Regulation of Plant Growth and Development

A special issue of Antioxidants (ISSN 2076-3921). This special issue belongs to the section "ROS, RNS and RSS".

Deadline for manuscript submissions: 31 August 2026 | Viewed by 856

Special Issue Editors


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Guest Editor
Centre for Agricultural Genomics and Biotechnology, Faculty of the Agricultural and Food Science and En-vironmental Management, University of Debrecen, P.O. Box 12, 4400 Nyíregyháza, Hungary
Interests: plant tissue culture; plant breeding; plants; plant biology; plant genetics; stress mitigation

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Guest Editor
Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, 4032 Debrecen, Hungary
Interests: secondary plant metabolites; map-ping of mechanism of action in in vitro cell culture; in vivo animal experiments; antioxidant defense system

Special Issue Information

Dear Colleagues,

Changes in cellular redox homeostasis affect plant growth and development and play a key role in plant stress management. Elimination of reactive oxygen and nitrogen species (ROS and RNS) produced by either environmental stress conditions or during the growth and developmental processes (internal stresses) occurs primarily through the ascorbate–glutathione pathway. However, melatonin, being at the heart of the redox network, is involved in the regulation of various molecular, biochemical, cellular, and physiological responses. Growth and development, as well as stress mitigation in plants, are redox regulated due to the cooperation between the cellular redox signaling and phytohormone signaling networks. Treatments affecting the redox state of the plant, such as exogenous application of melatonin, various antioxidants, or other chemicals, may act on stress mitigation, causing various biochemical and physiological and even gene regulatory changes. Their application therefore has great potential in alleviating and managing plant stress, even in the field.

This Special Issue, “Redox Regulation of Plant Growth and Development”, welcomes original research articles, reviews, and communications on antioxidant regulation of plant development and stress mitigation at different levels of research, such as gene expression, epigenetics, biochemistry, and physiology.

Dr. Judit Dobránszki
Dr. Judit Remenyik
Guest Editors

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Keywords

  • plant biology
  • ascorbate
  • free-radical scavenging
  • glutathione
  • heat shock proteins
  • melatonin
  • oxidative stress
  • plant growth and development
  • redox homeostasis
  • RNP
  • ROS
  • plant stress mitigation
  • plant stress adaptation
  • transcription factors

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Published Papers (1 paper)

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Research

22 pages, 16730 KB  
Article
Abscisic Acid Promotes Petal Senescence in Rose by Regulating RcMYB002
by Aiyin Cui, Yuzheng Deng, Yuanyuan Kong, Yongjie Zhu and Weibiao Liao
Antioxidants 2026, 15(4), 415; https://doi.org/10.3390/antiox15040415 - 26 Mar 2026
Viewed by 521
Abstract
Flower senescence is a key physiological constraint on the ornamental and commercial longevity of cut roses. Although abscisic acid (ABA) is recognized as a promoter of this process, the molecular circuitry through which ABA operates, particularly the specific contributions of MYB transcription factors, [...] Read more.
Flower senescence is a key physiological constraint on the ornamental and commercial longevity of cut roses. Although abscisic acid (ABA) is recognized as a promoter of this process, the molecular circuitry through which ABA operates, particularly the specific contributions of MYB transcription factors, remains largely unexplored. In this study, we identify RcMYB002 as a negative regulator of rose flower senescence. Transient overexpression of RcMYB002 significantly delays senescence, preserves anthocyanin accumulation, and modulates antioxidant enzyme activities in a time-dependent manner, consequently attenuating ABA-triggered oxidative stress. In contrast, silencing RcMYB002 accelerates senescence-associated phenotypes. At the molecular level, ABA suppresses RcMYB002 transcript accumulation, while yeast one-hybrid (Y1H) assays indicate that RcMYB002 interacts with the promoter regions of senescence-associated genes SAG12 and SAG21, consistent with a role in their transcriptional regulation. Taken together, our results support a model in which ABA promotes flower senescence by downregulating RcMYB002, thereby derepressing downstream senescence-executing genes. This work provides a molecular basis for understanding flower senescence and offers a potential target for extending rose vase life. Full article
(This article belongs to the Special Issue Redox Regulation of Plant Growth and Development)
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