Please use this identifier to cite or link to this item: https://ktisis.cut.ac.cy/handle/10488/18931
Title: Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator
Authors: Hasanuzzaman, Mirza 
Bhuyan, M H M Borhannuddin 
Zulfiqar, Faisal 
Raza, Ali 
Mohsin, Sayed Mohammad 
Mahmud, Jubayer Al 
Fujita, Masayuki 
Fotopoulos, Vasileios 
Major Field of Science: Agricultural Sciences
Field Category: Agriculture Forestry and Fisheries
Keywords: H2O2;Abiotic stress;Antioxidant systems;Ascorbate-glutathione pathway;Cross tolerance;Oxidative stress;Plant stress tolerance;Reactive nitrogen species;Reactive oxygen species;Stress signaling
Issue Date: Aug-2020
Source: Antioxidants, 2020, vol. 9, no. 8, articl. no. 681
Volume: 9
Issue: 8
Journal: Antioxidants 
Abstract: Global climate change and associated adverse abiotic stress conditions, such as drought, salinity, heavy metals, waterlogging, extreme temperatures, oxygen deprivation, etc., greatly influence plant growth and development, ultimately affecting crop yield and quality, as well as agricultural sustainability in general. Plant cells produce oxygen radicals and their derivatives, so-called reactive oxygen species (ROS), during various processes associated with abiotic stress. Moreover, the generation of ROS is a fundamental process in higher plants and employs to transmit cellular signaling information in response to the changing environmental conditions. One of the most crucial consequences of abiotic stress is the disturbance of the equilibrium between the generation of ROS and antioxidant defense systems triggering the excessive accumulation of ROS and inducing oxidative stress in plants. Notably, the equilibrium between the detoxification and generation of ROS is maintained by both enzymatic and nonenzymatic antioxidant defense systems under harsh environmental stresses. Although this field of research has attracted massive interest, it largely remains unexplored, and our understanding of ROS signaling remains poorly understood. In this review, we have documented the recent advancement illustrating the harmful effects of ROS, antioxidant defense system involved in ROS detoxification under different abiotic stresses, and molecular cross-talk with other important signal molecules such as reactive nitrogen, sulfur, and carbonyl species. In addition, state-of-the-art molecular approaches of ROS-mediated improvement in plant antioxidant defense during the acclimation process against abiotic stresses have also been discussed.
Description: V.F. would like to acknowledge support by the Cyprus University of Technology Open Access Author Fund.
URI: https://ktisis.cut.ac.cy/handle/10488/18931
ISSN: 2076-3921
DOI: 10.3390/antiox9080681
Rights: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license
Attribution-NonCommercial-NoDerivatives 4.0 International
Type: Article
Affiliation : Sher-e-Bangla Agricultural University 
Bangladesh Agricultural Research Institute 
University of Agriculture Faisalabad 
Chinese Academy of Agricultural Sciences 
Cyprus University of Technology 
Kagawa University 
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