Function, Mechanism, and Application of ROS and Phytohormones in Plants under Hostile Conditions

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

Deadline for manuscript submissions: 25 July 2024 | Viewed by 1017

Special Issue Editors


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Guest Editor
1. State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
2. Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia
Interests: eco-physiology and climate change; experimental methodology development; nutrient metabolism and translocation in plants; plant productivity and sustainable agriculture; plant molecular physiology
Special Issues, Collections and Topics in MDPI journals
State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
Interests: abiotic stress tolerance; seed ecology; phytohormone signaling; seed heteromorphism; halophytles
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
Interests: antioxidants; abiotic stress tolerance; plant metabolites; ROS signaling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Since the development of photosynthesis, cellular emergences of reactive oxygen species (ROS) have played a vital role in the evolution and development of plants. The damaging effects of ROS are well reported; however, several recent studies have demonstrated the signaling role of ROS in plant biology. Studies revealed that the differential behavior of ROS in plants is generally related to their cellular concentrations and intricate antioxidant defense system. As signaling molecules, ROS govern various aspects of plant development such as seed dormancy and germination, radicle establishment, root and shoot development, flowering, programmed cell death, and even stress acclimation. In plant development, ROS themselves are not able to accomplish this task but they act in direct association with certain endogenous cellular chemicals, i.e., phytohormones. Phytohormones such as auxins, cytokinins, brassinosteroids, gibberellins, abscisic acid, jasmonates, and salicylic acid play a very important role in the development of plants. Therefore, this leads us to compile a Special Issue on ROS and phytohormone signaling during plant development as well as in stress acclimation. The following main themes will be covered in this Special Issue:

  • Regulation of seed dormancy, germination, and seedling development by ROS and phytohormones;
  • Regulation of the root system architecture by ROS and phytohormones;
  • Regulation of stomatal movement, circadian rhythm, flowering establishment, fruit development, and ripening by ROS and phytohormones;
  • Regulation of adaptation of plants to varied abiotic and biotic stress establishment by ROS and phytohormones;
  • Phytohormonal signaling and redox regulation, and interface with ROS and RNS, under changing environmental conditions;
  • Regulation of ion transport and signaling;
  • ROS crosstalk with Ca2+ signaling;
  • Other related topics.

Dr. Mohsin Tanveer
Dr. Lei Wang
Prof. Dr. Mirza Hasanuzzaman
Guest Editors

Manuscript Submission Information

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Keywords

  • phytohormones
  • ROS signaling
  • abiotic stress tolerance
  • molecular interventions
  • stress adaptive responses
  • plant growth and development

Published Papers (1 paper)

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Review

26 pages, 2486 KiB  
Review
Melatonin Interaction with Other Phytohormones in the Regulation of Abiotic Stresses in Horticultural Plants
by Shanxia Huang and Songheng Jin
Antioxidants 2024, 13(6), 663; https://doi.org/10.3390/antiox13060663 - 28 May 2024
Viewed by 549
Abstract
Horticultural crops play a vital role in global food production, nutrition, and the economy. Horticultural crops are highly vulnerable to abiotic stresses. These abiotic stresses hinder plant growth and development by affecting seed germination, impairing photosynthetic activity, and damaging root development, thus leading [...] Read more.
Horticultural crops play a vital role in global food production, nutrition, and the economy. Horticultural crops are highly vulnerable to abiotic stresses. These abiotic stresses hinder plant growth and development by affecting seed germination, impairing photosynthetic activity, and damaging root development, thus leading to a decrease in fruit yield, quality, and productivity. Scientists have conducted extensive research to investigate the mechanisms of resilience and the ability to cope with environmental stresses. In contrast, the use of phytohormones to alleviate the detrimental impacts of abiotic stresses on horticulture plants has been generally recognized as an effective method. Among phytohormones, melatonin (MT) is a novel plant hormone that regulates various plants’ physiological functions such as seedling development, root system architecture, photosynthetic efficiency, balanced redox homeostasis, secondary metabolites production, accumulation of mineral nutrient uptake, and activated antioxidant defense system. Importantly, MT application significantly restricted heavy metals (HMs) uptake and increased mineral nutrient accumulation by modifying the root architecture system. In addition, MT is a naturally occurring, multifunctional, nontoxic biomolecule having antioxidant properties. Furthermore, this review described the hormonal interaction between MT and other signaling molecules in order to enhance abiotic stress tolerance in horticulture crops. This review focuses on current research advancements and prospective approaches for enhancing crop tolerance to abiotic stress. Full article
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