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The Role and Mechanism of Hydrogen Sulfide and ROS in Plants

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: 20 June 2024 | Viewed by 4201

Special Issue Editors

Prof. Dr. Weibiao Liao

E-Mail Website
Guest Editor
College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
Interests: signaling molecules (hydrogen gas, nitric oxide, hydrogen sulfide and carbon monoxide); plant hormones (abscisic acid, ethylene, brassinolide, gibberellin and strigolactone); abiotic stress (drought, salt and cadmium); adventitious roots; fruit ripening; cut flowers
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Zhuping Jin

E-Mail Website
Guest Editor
School of Life Science, Shanxi University, Taiyuan 030006, China
Interests: gaseous signal transduction of plants under abiotic stress; plant stomatal regulation mechanism of hydrogen sulfide signal response to drought stress; creation and application of new plant germplasm based on sulfur metabolism

Special Issue Information

Dear Colleagues,

Hydrogen sulfide (H2S) was considered a toxic gas at the time of its discovery. Now, it has come to be considered as the third most important gaseous signaling molecule that has been extensively studied. As a novel small signaling molecule, H2S can easily enter cells and penetrate the intercellular space. It is both an endogenous sulfide and a key node of sulfur metabolism in biological organisms. Reactive oxygen species (ROS) are toxic by-products of aerobic metabolism, but which also act as plant signaling molecules in various processes, such as plant growth and development, and biotic and abiotic stress responses. When ROS accumulate excessively in plants, intracellular homeostasis is disrupted, seriously affecting plant growth and development. H2S might play a key role in regulating intracellular ROS homeostasis in plants, which is considered to be an effective defense agent against various stresses. H2S and ROS have also been suggested to be involved in various physiological and biochemical processes through different signal transduction pathways, as well as different molecular forms.

This Special Issue focuses on recent studies that aim to determine the role and mechanisms of H2S and ROS in plants. However, there are many other molecular mechanisms of crosstalk, which are involved in the regulation of various physiological and biochemical processes by H2S and ROS. For example, other gas signaling molecules, hormones and persulfidation modifications have important implications for the role of H2S and ROS in plants. Studies providing such information are welcome, as they will help to elucidate the important role of H2S and ROS in plants.

Prof. Dr. Weibiao Liao
Prof. Dr. Zhuping Jin
Guest Editors

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 submissions that pass pre-check are 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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • hydrogen sulfide
  • reactive oxygen species
  • metabolism
  • molecular function
  • gas signaling molecules
  • post-translational modifications
  • plant growth and development
  • biotic and abiotic stress
  • persulfidation

Published Papers (3 papers)

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Research

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23 pages, 2413 KiB  
Article
The Essential Role of H2S-ABA Crosstalk in Maize Thermotolerance through the ROS-Scavenging System
by Jia-Qi Wang, Ru-Hua Xiang and Zhong-Guang Li
Int. J. Mol. Sci. 2023, 24(15), 12264; https://doi.org/10.3390/ijms241512264 - 31 Jul 2023
Cited by 3 | Viewed by 1107
Abstract
Hydrogen sulfide (H2S) and abscisic acid (ABA), as a signaling molecule and stress hormone, their crosstalk-induced thermotolerance in maize seedlings and its underlying mechanism were elusive. In this paper, H2S and ABA crosstalk as well as the underlying mechanism [...] Read more.
Hydrogen sulfide (H2S) and abscisic acid (ABA), as a signaling molecule and stress hormone, their crosstalk-induced thermotolerance in maize seedlings and its underlying mechanism were elusive. In this paper, H2S and ABA crosstalk as well as the underlying mechanism of crosstalk-induced thermotolerance in maize seedlings were investigated. The data show that endogenous levels of H2S and ABA in maize seedlings could be mutually induced by regulating their metabolic enzyme activity and gene expression under non-heat stress (non-HS) and HS conditions. Furthermore, H2S and ABA alone or in combination significantly increase thermotolerance in maize seedlings by improving the survival rate (SR) and mitigating biomembrane damage. Similarly, the activity of the reactive oxygen species (ROS)-scavenging system, including enzymatic antioxidants catalase (CAT), ascorbate peroxidase (APX), guaiacol peroxidase (POD), glutathione reductase (GR), monodehydroascorbate reductase (MDHAR), dehydroascorbate reductase (DHAR), and superoxide dismutase (SOD), as well as the non-enzymatic antioxidants reduced ascorbic acid (AsA), carotenoids (CAR), flavone (FLA), and total phenols (TP), was enhanced by H2S and ABA alone or in combination in maize seedlings. Conversely, the ROS level (mainly hydrogen peroxide and superoxide radical) was weakened by H2S and ABA alone or in combination in maize seedlings under non-HS and HS conditions. These data imply that the ROS-scavenging system played an essential role in H2S-ABA crosstalk-induced thermotolerance in maize seedlings. Full article
(This article belongs to the Special Issue The Role and Mechanism of Hydrogen Sulfide and ROS in Plants)
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31 pages, 9369 KiB  
Article
The Antioxidant Potential of Tomato Plants (Solanum lycopersicum L.) under Nano-ZnO Treatment
by Katarzyna Włodarczyk, Beata Smolińska and Iwona Majak
Int. J. Mol. Sci. 2023, 24(14), 11833; https://doi.org/10.3390/ijms241411833 - 23 Jul 2023
Cited by 3 | Viewed by 1685
Abstract
Tomato (Solanum lycopersicum L.) is one of the most valuable horticulture crops, consumed in both its raw and processed forms. To increase yield and efficiency, conventional and organic fertilizers are utilized in modern agriculture. Traditional fertilizers increase crop yield but are harmful [...] Read more.
Tomato (Solanum lycopersicum L.) is one of the most valuable horticulture crops, consumed in both its raw and processed forms. To increase yield and efficiency, conventional and organic fertilizers are utilized in modern agriculture. Traditional fertilizers increase crop yield but are harmful to the environment. These circumstances motivate the pursuit of an alternate solution. The purpose of this research was to investigate how the application of nanoparticles (nano-ZnO) combined with conventional fertilizer influence tomato plants’ development, including the antioxidant potential of cultivated plants. Three factors such as different types of cultivars, dosage of applied nano-ZnO solution and the method of nanoparticles application were implemented. Multiple analysis of selected antioxidants content and their activities such as malondialdehyde (MDA), flavonoids, polyphenols, ascorbic acid, peroxidase (POX), superoxide dismutase (SOD) or catalase (CAT) were analyzed. The obtained data exhibited that all examined parameters were strongly dependent on three implemented factors: concentration of nano-ZnO suspension, the type of cultivated tomato and the method of nanoparticles application. For instance, the accumulation of MDA in cultivated plants was different among plants under nanoparticles treatment, but in one specific case (Malinowy Bossman cultivar treated with 50 mg/L nano-ZnO suspension) the content of this marker was decreased by 34% in comparison to the corresponding control. Nevertheless, the results presented in this study showed that the usage of certain doses of nano-ZnO suspension may increase the antioxidant potential of tomato plants. Full article
(This article belongs to the Special Issue The Role and Mechanism of Hydrogen Sulfide and ROS in Plants)
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Review

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14 pages, 1438 KiB  
Review
Hydrogen Sulfide in the Oxidative Stress Response of Plants: Crosstalk with Reactive Oxygen Species
by Zhiya Liu, Yayu Liu and Weibiao Liao
Int. J. Mol. Sci. 2024, 25(3), 1935; https://doi.org/10.3390/ijms25031935 - 05 Feb 2024
Viewed by 711
Abstract
Growing evidence suggests that exposure of plants to unfavorable environments leads to the accumulation of hydrogen sulfide (H2S) and reactive oxygen species (ROS). H2S interacts with the ROS-mediated oxidative stress response network at multiple levels. Therefore, it is essential [...] Read more.
Growing evidence suggests that exposure of plants to unfavorable environments leads to the accumulation of hydrogen sulfide (H2S) and reactive oxygen species (ROS). H2S interacts with the ROS-mediated oxidative stress response network at multiple levels. Therefore, it is essential to elucidate the mechanisms by which H2S and ROS interact. The molecular mechanism of action by H2S relies on the post-translational modification of the cysteine sulfur group (-SH), known as persulfidation. H2S cannot react directly with -SH, but it can react with oxidized cysteine residues, and this oxidation process is induced by H2O2. Evidently, ROS is involved in the signaling pathway of H2S and plays a significant role. In this review, we summarize the role of H2S-mediated post-translational modification mechanisms in oxidative stress responses. Moreover, the mechanism of interaction between H2S and ROS in the regulation of redox reactions is focused upon, and the positive cooperative role of H2S and ROS is elucidated. Subsequently, based on the existing evidence and clues, we propose some potential problems and new clues to be explored, which are crucial for the development of the crosstalk mechanism of H2S and ROS in plants. Full article
(This article belongs to the Special Issue The Role and Mechanism of Hydrogen Sulfide and ROS in Plants)
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