Special Issue "Approaches in Enhancing Antioxidant Defense in Plants"

A special issue of Antioxidants (ISSN 2076-3921).

Deadline for manuscript submissions: 31 January 2021.

Special Issue Editors

Prof. Dr. Masayuki Fujita
Website
Guest Editor
Laboratory of Plant Stress Responses, Department of Plant Science, Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa 761-0795, Japan
Interests: plant stress physiology; plant biochemistry; abiotic stress
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Special Issue Information

Dear Colleagues,

As a sessile organism, plants always face various abiotic and biotic stresses which are major threats to sustainable crop production and the most important obstacle for attaining food security. In addition to their many detrimental effects, they lead to oxidative stress through the overaccumulation of reactive oxygen species (ROS). A certain steady-state of ROS (1O2, O2•−, H2O2, and OH) is maintained by properly balancing the generation and elimination of ROS through finely regulating a defense system in plants. Plants primarily deal with oxidative stress through their own defensive mechanism, which consists of different enzymatic and non-enzymatic antioxidants. Non-enzymatic antioxidants include ascorbic acid (AsA), glutathione (GSH), phenolic compounds, alkaloids, α-tocopherol, non-protein amino acids, etc. These molecules either scavenge or detoxify ROS and confer stress tolerance in plants. In recent decades, plenty of research has focused on the role of different non-enzymatic antioxidants in the mitigation of oxidative stress, and the results of these studies are being applied to crop plants. In this Special Issue, we aim at publishing research articles and reviews on research focused on antioxidant defense, which will serve as a foundation for plant oxidative stress tolerance.

Prof. Dr. Masayuki Fujita
Prof. Dr. Mirza Hasanuzzaman
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Antioxidants is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plant stress
  • reactive oxygen species
  • ascorbic acid
  • glutathione
  • tocopherol
  • metatonin
  • aminoacids
  • oxidative stress
  • antioxidant defense
  • phenolics

Published Papers (1 paper)

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Review

Open AccessReview
Melatonin-Induced Water Stress Tolerance in Plants: Recent Advances
Antioxidants 2020, 9(9), 809; https://doi.org/10.3390/antiox9090809 - 01 Sep 2020
Abstract
Water stress (drought and waterlogging) is severe abiotic stress to plant growth and development. Melatonin, a bioactive plant hormone, has been widely tested in drought situations in diverse plant species, while few studies on the role of melatonin in waterlogging stress conditions have [...] Read more.
Water stress (drought and waterlogging) is severe abiotic stress to plant growth and development. Melatonin, a bioactive plant hormone, has been widely tested in drought situations in diverse plant species, while few studies on the role of melatonin in waterlogging stress conditions have been published. In the current review, we analyze the biostimulatory functions of melatonin on plants under both drought and waterlogging stresses. Melatonin controls the levels of reactive oxygen and nitrogen species and positively changes the molecular defense to improve plant tolerance against water stress. Moreover, the crosstalk of melatonin and other phytohormones is a key element of plant survival under drought stress, while this relationship needs further investigation under waterlogging stress. In this review, we draw the complete story of water stress on both sides—drought and waterlogging—through discussing the previous critical studies under both conditions. Moreover, we suggest several research directions, especially for waterlogging, which remains a big and vague piece of the melatonin and water stress puzzle. Full article
(This article belongs to the Special Issue Approaches in Enhancing Antioxidant Defense in Plants)
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