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ROS and Abiotic Stress in Plants 2.0
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ROS and Abiotic Stress in Plants 2.0

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: closed (31 January 2023) | Viewed by 37502

Special Issue Editors

Prof. Dr. Tsanko Gechev

E-Mail Website
Guest Editor
1. Department of Plant Physiology and Molecular Biology, University of Plovdiv, 24 Tsar Assen Str., 4000 Plovdiv, Bulgaria
2. Center of Plant Systems Biology and Biotechnology (CPSBB), 139 Ruski Blvd., 4000 Plovdiv, Bulgaria
Interests: abiotic stress; desiccation tolerance; drought; oxidative stress; resurrection plants
Special Issues, Collections and Topics in MDPI journals
Dr. Veselin Petrov

E-Mail Website
Guest Editor
1. Center of Plant Systems Biology and Biotechnology, 139 Ruski Blvd., 4000 Plovdiv, Bulgaria
2. Department of Plant Physiology, Biochemistry and Genetics, Agricultural University, 12 Mendeleev Str., 4000 Plovdiv, Bulgaria
Interests: abiotic stresses; plant biochemistry; signal transduction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Abiotic stresses cause plant growth inhibition, damage, and in the most severe cases cell death, resulting in major crop yield losses worldwide. Many abiotic stresses can lead to oxidative stress. Recent genetic and genomics studies have revealed highly complex and integrated gene networks related to abiotic stress and reactive oxygen species, which are responsible for stress adaptation. Therefore, a systems biology approach is needed in order to fully understand the molecular mechanisms of stress tolerance, to find solutions for stress mitigation, and to secure crop production for the growing human population in an era of global climate change.

The papers submitted to this Special Issue should report original research that delves into the intricate molecular pathways promoting plant tolerance to single or combined abiotic stresses, as well as oxidative stress, providing novel insights into the control mechanisms regulating plant growth or defense programs under adverse conditions. Multidisciplinary approaches are encouraged that study the experimental systems from systems biology, molecular biology, genetic, physiological, and biochemical perspectives.

Prof. Dr. Tsanko Gechev
Dr. Veselin Petrov
Guest Editors

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Keywords

  • Chilling and freezing
  • Drought stress
  • Heat stress
  • Heavy metals stress
  • Nutrient and mineral stress
  • Oxidative stress
  • Resurrection plants and desiccation tolerance
  • Salinity

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Published Papers (11 papers)

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Editorial

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6 pages, 189 KiB  
Editorial
ROS and Abiotic Stress in Plants 2.0
by Veselin Petrov and Tsanko Gechev
Int. J. Mol. Sci. 2023, 24(15), 11917; https://doi.org/10.3390/ijms241511917 - 25 Jul 2023
Cited by 6 | Viewed by 1525
Abstract
Climate insecurity and extreme weather events have stimulated efforts to enhance plant resilience and productivity in adverse environmental conditions [...] Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)

Research

Jump to: Editorial, Review

25 pages, 4080 KiB  
Article
Comparative Transcriptomics of Multi-Stress Responses in Pachycladon cheesemanii and Arabidopsis thaliana
by Yanni Dong, Saurabh Gupta, Jason J. Wargent, Joanna Putterill, Richard C. Macknight, Tsanko S. Gechev, Bernd Mueller-Roeber and Paul P. Dijkwel
Int. J. Mol. Sci. 2023, 24(14), 11323; https://doi.org/10.3390/ijms241411323 - 11 Jul 2023
Cited by 2 | Viewed by 2403
Abstract
The environment is seldom optimal for plant growth and changes in abiotic and biotic signals, including temperature, water availability, radiation and pests, induce plant responses to optimise survival. The New Zealand native plant species and close relative to Arabidopsis thaliana, Pachycladon cheesemanii, [...] Read more.
The environment is seldom optimal for plant growth and changes in abiotic and biotic signals, including temperature, water availability, radiation and pests, induce plant responses to optimise survival. The New Zealand native plant species and close relative to Arabidopsis thaliana, Pachycladon cheesemanii, grows under environmental conditions that are unsustainable for many plant species. Here, we compare the responses of both species to different stressors (low temperature, salt and UV-B radiation) to help understand how P. cheesemanii can grow in such harsh environments. The stress transcriptomes were determined and comparative transcriptome and network analyses discovered similar and unique responses within species, and between the two plant species. A number of widely studied plant stress processes were highly conserved in A. thaliana and P. cheesemanii. However, in response to cold stress, Gene Ontology terms related to glycosinolate metabolism were only enriched in P. cheesemanii. Salt stress was associated with alteration of the cuticle and proline biosynthesis in A. thaliana and P. cheesemanii, respectively. Anthocyanin production may be a more important strategy to contribute to the UV-B radiation tolerance in P. cheesemanii. These results allowed us to define broad stress response pathways in A. thaliana and P. cheesemanii and suggested that regulation of glycosinolate, proline and anthocyanin metabolism are strategies that help mitigate environmental stress. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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13 pages, 5815 KiB  
Article
miR2119, a Novel Transcriptional Regulator, Plays a Positive Role in Woody Plant Drought Tolerance by Mediating the Degradation of the CkBI-1 Gene Associated with Apoptosis
by Furong Liu, Puzhi Zhang, Jiayang Li, Tianxin Zhang, Lifang Xie and Chunmei Gong
Int. J. Mol. Sci. 2022, 23(11), 6306; https://doi.org/10.3390/ijms23116306 - 4 Jun 2022
Cited by 2 | Viewed by 2067
Abstract
Caragana korshinskii, an important vegetation restoration species with economic and ecological benefits in the arid region of northwest China, is characterized by significant drought tolerance. However, the underlying molecular mechanisms by which miRNAs confer this trait in C. korshinskii are unclear. Here, [...] Read more.
Caragana korshinskii, an important vegetation restoration species with economic and ecological benefits in the arid region of northwest China, is characterized by significant drought tolerance. However, the underlying molecular mechanisms by which miRNAs confer this trait in C. korshinskii are unclear. Here, we investigate the effect of CkmiR2119 on drought tolerance and identified its target gene, CkBI-1. A negative correlation of CkmiR2119 and CkBI-1 in both stems and leaves in a drought gradient treatment followed by target gene validation suggest that CkmiR2119 might negatively regulate CkBI-1. Consistently, a decrease in the expression of the CkBI-1 gene was observed after both transient transformation and stable transformation of CkamiR2119 in tobacco (Nicotiana tabacum). Moreover, the physiological analysis of CkamiR2119 and CkBI-1 transgenic plants further indicate that CkmiR2119 can enhance the drought tolerance of C. korshinskii in two aspects: (i) downregulating CkBI-1 expression to accelerate vessel maturation in stems; (ii) contributing to a higher level of CkBI-1 in mesophyll cells to inhibit programmed cell death (PCD). This work reveals that CkmiR2119 can increase plants’ drought tolerance by downregulating the expression of CkBI-1, providing a theoretical basis to improve plants’ ability to withstand stress tolerance by manipulating miRNAs. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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25 pages, 5459 KiB  
Article
Class III Peroxidases in Response to Multiple Abiotic Stresses in Arabidopsis thaliana Pyrenean Populations
by Ali Eljebbawi, Bruno Savelli, Cyril Libourel, José Manuel Estevez and Christophe Dunand
Int. J. Mol. Sci. 2022, 23(7), 3960; https://doi.org/10.3390/ijms23073960 - 2 Apr 2022
Cited by 9 | Viewed by 2923
Abstract
Class III peroxidases constitute a plant-specific multigene family, where 73 genes have been identified in Arabidopsis thaliana. These genes are members of the reactive oxygen species (ROS) regulatory network in the whole plant, but more importantly, at the root level. In response [...] Read more.
Class III peroxidases constitute a plant-specific multigene family, where 73 genes have been identified in Arabidopsis thaliana. These genes are members of the reactive oxygen species (ROS) regulatory network in the whole plant, but more importantly, at the root level. In response to abiotic stresses such as cold, heat, and salinity, their expression is significantly modified. To learn more about their transcriptional regulation, an integrative phenotypic, genomic, and transcriptomic study was executed on the roots of A. thaliana Pyrenean populations. Initially, the root phenotyping highlighted 3 Pyrenean populations to be tolerant to cold (Eaux), heat (Herr), and salt (Grip) stresses. Then, the RNA-seq analyses on these three populations, in addition to Col-0, displayed variations in CIII Prxs expression under stressful treatments and between different genotypes. Consequently, several CIII Prxs were particularly upregulated in the tolerant populations, suggesting novel and specific roles of these genes in plant tolerance against abiotic stresses. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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24 pages, 3479 KiB  
Article
The Memory of Rice Response to Spaceflight Stress: From the Perspective of Metabolomics and Proteomics
by Deyong Zeng, Jie Cui, Yishu Yin, Yi Xiong, Wenchen Yu, Haitian Zhao, Shuanghong Guan, Dayou Cheng, Yeqing Sun and Weihong Lu
Int. J. Mol. Sci. 2022, 23(6), 3390; https://doi.org/10.3390/ijms23063390 - 21 Mar 2022
Cited by 8 | Viewed by 2750
Abstract
The stress response of plants to spaceflight has been confirmed in contemporary plants, and plants retained the memory of spaceflight through methylation reaction. However, how the progeny plants adapt to this cross-generational stress memory was rarely reported. Here, we used the ShiJian-10 retractable [...] Read more.
The stress response of plants to spaceflight has been confirmed in contemporary plants, and plants retained the memory of spaceflight through methylation reaction. However, how the progeny plants adapt to this cross-generational stress memory was rarely reported. Here, we used the ShiJian-10 retractable satellite carrying Dongnong416 rice seeds for a 12.5-day on-orbit flight and planted the F2 generation after returning to the ground. We evaluated the agronomic traits of the F2 generation plants and found that the F2 generation plants had no significant differences in plant height and number of tillers. Next, the redox state in F2 plants was evaluated, and it was found that the spaceflight broke the redox state of the F2 generation rice. In order to further illustrate the stress response caused by this redox state imbalance, we conducted proteomics and metabolomics analysis. Proteomics results showed that the redox process in F2 rice interacts with signal transduction, stress response, and other pathways, causing genome instability in the plant, leading to transcription, post-transcriptional modification, protein synthesis, protein modification, and degradation processes were suppressed. The metabolomics results showed that the metabolism of the F2 generation plants was reshaped. These metabolic pathways mainly included amino acid metabolism, sugar metabolism, cofactor and vitamin metabolism, purine metabolism, phenylpropane biosynthesis, and flavonoid metabolism. These metabolic pathways constituted a new metabolic network. This study confirmed that spaceflight affected the metabolic changes in offspring rice, which would help better understand the adaptation mechanism of plants to the space environment. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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16 pages, 3979 KiB  
Article
Chloroplast Thylakoidal Ascorbate Peroxidase, PtotAPX, Has Enhanced Resistance to Oxidative Stress in Populus tomentosa
by Conghui Li, Jiaxin Li, Xihua Du, Jiaxue Zhang, Yirong Zou, Yadi Liu, Ying Li, Hongyan Lin, Hui Li, Di Liu and Hai Lu
Int. J. Mol. Sci. 2022, 23(6), 3340; https://doi.org/10.3390/ijms23063340 - 19 Mar 2022
Cited by 15 | Viewed by 2368
Abstract
Chloroplasts are the most major producers of reactive oxygen species (ROS) during photosynthesis. However, the function of thylakoid ascorbate peroxidase (tAPX) in response to oxidative stress in wood trees is largely unknown. Our results showed that PtotAPX of Populus tomentosa could effectively utilize [...] Read more.
Chloroplasts are the most major producers of reactive oxygen species (ROS) during photosynthesis. However, the function of thylakoid ascorbate peroxidase (tAPX) in response to oxidative stress in wood trees is largely unknown. Our results showed that PtotAPX of Populus tomentosa could effectively utilize ascorbic acid (AsA) to hydrolyze hydrogen peroxide (H2O2) in vitro. The overexpression or antisense of PtotAPX (OX-PtotAPX or anti-PtotAPX, respectively) in Populus tomentosa plants did not significantly affect plant morphology during plant growth. When treated with methyl viologen (MV), the OX-PtotAPX plants exhibited less morphological damage under stress conditions compared to WT plants. OX-PtotAPX plants maintained lower H2O2 levels and malondialdehyde (MDA) contents, but more reduced AsA levels, a higher photosynthetic rate (Pn), and the maximal photochemical efficiency of PSII (Fv/Fm), whereas anti-PtotAPX plants showed the opposite phenotype. Furthermore, the activity of APX was slightly higher in OX-PtotAPX under normal growth conditions, and this activity significantly decreased after stress treatment, which was the lowest in anti-P. Based on these results, we propose that PtotAPX is important for protecting the photosynthetic machinery under severe oxidative stress conditions in P. tomentosa, and is a potential genetic resource for regulating the stress tolerance of woody plants. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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18 pages, 5379 KiB  
Article
Overexpression of a Malus baccata MYB Transcription Factor Gene MbMYB4 Increases Cold and Drought Tolerance in Arabidopsis thaliana
by Chunya Yao, Xingguo Li, Yingmei Li, Guohui Yang, Wanda Liu, Bangtao Shao, Jiliang Zhong, Pengfei Huang and Deguo Han
Int. J. Mol. Sci. 2022, 23(3), 1794; https://doi.org/10.3390/ijms23031794 - 4 Feb 2022
Cited by 42 | Viewed by 3336
Abstract
In the natural environment, plants often face unfavorable factors such as drought, cold, and freezing, which affect their growth and yield. The MYB (v-myb avian myeloblastosis viral oncogene homolog) transcription factor family is widely involved in plant responses to biotic and abiotic stresses. [...] Read more.
In the natural environment, plants often face unfavorable factors such as drought, cold, and freezing, which affect their growth and yield. The MYB (v-myb avian myeloblastosis viral oncogene homolog) transcription factor family is widely involved in plant responses to biotic and abiotic stresses. In this study, Malus baccata (L.) Borkh was used as the research material, and a gene MbMYB4 of the MYB family was cloned from it. The open reading frame (ORF) of MbMYB4 was found to be 762 bp, encoding 253 amino acids; sequence alignment results and predictions of the protein structure indicated that the MbMYB4 protein contained the conserved MYB domain. Subcellular localization showed that MbMYB4 was localized in the nucleus. In addition, the use of quantitative real-time PCR (qPCR) technology found that the expression of MbMYB4 was enriched in the young leaf and root, and it was highly affected by cold and drought treatments in M. baccata seedlings. When MbMYB4 was introduced into Arabidopsis thaliana, it greatly increased the cold and drought tolerance in the transgenic plant. Under cold and drought stresses, the proline and chlorophyll content, and peroxidase (POD) and catalase (CAT) activities of transgenic A. thaliana increased significantly, and the content of malondialdehyde (MDA) and the relative conductivity decreased significantly, indicating that the plasma membrane damage of transgenic A. thaliana was lesser. Therefore, the overexpression of the MbMYB4 gene in A. thaliana can enhance the tolerance of transgenic plants to cold and drought stresses. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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22 pages, 8739 KiB  
Article
Identification and Comprehensive Analysis of the Nuclear Factor-Y Family Genes Reveal Their Multiple Roles in Response to Nutrient Deficiencies in Brassica napus
by Xinrui Zheng, Hao Zhang, Limei Zhang, Fangsen Xu, Lei Shi, Sheliang Wang, Juan Hong and Guangda Ding
Int. J. Mol. Sci. 2021, 22(19), 10354; https://doi.org/10.3390/ijms221910354 - 26 Sep 2021
Cited by 11 | Viewed by 2536
Abstract
Nuclear Factor-Y (NF-Y) transcription factors play vital roles in plant abiotic stress response. Here, the NF-Y family in Brassica napus, which is hyper-sensitive to nitrogen (N) deprivation, was comprehensively identified and systematically characterized. A total of 108 NF-Y family members [...] Read more.
Nuclear Factor-Y (NF-Y) transcription factors play vital roles in plant abiotic stress response. Here, the NF-Y family in Brassica napus, which is hyper-sensitive to nitrogen (N) deprivation, was comprehensively identified and systematically characterized. A total of 108 NF-Y family members were identified in B. napus and categorized into three subfamilies (38 NF-YA, 46 NF-YB and 24 NF-YC; part of the Arabidopsis NF-YC homologous genes had been lost during B. napus evolution). In addition, the expansion of the NF-Y family in B. napus was driven by whole-genome duplication and segmental duplication. Differed expression patterns of BnaNF-Ys were observed in response to multiple nutrient starvations. Thirty-four genes were regulated only in one nutrient deficient condition. Moreover, more BnaNF-YA genes were differentially expressed under nutrient limited environments compared to the BnaNF-YB and BnaNF-YC subfamilies. Sixteen hub genes responded diversely to N deprivation in five rapeseed tissues. In summary, our results laid a theoretical foundation for the follow-up functional study of the key NF-Y genes in B. napus in regulating nutrient homeostasis, especially N. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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Review

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21 pages, 1339 KiB  
Review
Linking Reactive Oxygen Species (ROS) to Abiotic and Biotic Feedbacks in Plant Microbiomes: The Dose Makes the Poison
by Louis Berrios and Jeremy D. Rentsch
Int. J. Mol. Sci. 2022, 23(8), 4402; https://doi.org/10.3390/ijms23084402 - 15 Apr 2022
Cited by 20 | Viewed by 4099
Abstract
In nature, plants develop in complex, adaptive environments. Plants must therefore respond efficiently to environmental stressors to maintain homeostasis and enhance their fitness. Although many coordinated processes remain integral for achieving homeostasis and driving plant development, reactive oxygen species (ROS) function as critical, [...] Read more.
In nature, plants develop in complex, adaptive environments. Plants must therefore respond efficiently to environmental stressors to maintain homeostasis and enhance their fitness. Although many coordinated processes remain integral for achieving homeostasis and driving plant development, reactive oxygen species (ROS) function as critical, fast-acting orchestrators that link abiotic and biotic responses to plant homeostasis and development. In addition to the suite of enzymatic and non-enzymatic ROS processing pathways that plants possess, they also rely on their microbiota to buffer and maintain the oxidative window needed to balance anabolic and catabolic processes. Strong evidence has been communicated recently that links ROS regulation to the aggregated function(s) of commensal microbiota and plant-growth-promoting microbes. To date, many reports have put forth insightful syntheses that either detail ROS regulation across plant development (independent of plant microbiota) or examine abiotic–biotic feedbacks in plant microbiomes (independent of clear emphases on ROS regulation). Here we provide a novel synthesis that incorporates recent findings regarding ROS and plant development in the context of both microbiota regulation and plant-associated microbes. Specifically, we discuss various roles of ROS across plant development to strengthen the links between plant microbiome functioning and ROS regulation for both basic and applied research aims. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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21 pages, 1235 KiB  
Review
Molecular Mechanisms of Nitric Oxide (NO) Signaling and Reactive Oxygen Species (ROS) Homeostasis during Abiotic Stresses in Plants
by Kaiser Iqbal Wani, M. Naeem, Christian Danve M. Castroverde, Hazem M. Kalaji, Mohammed Albaqami and Tariq Aftab
Int. J. Mol. Sci. 2021, 22(17), 9656; https://doi.org/10.3390/ijms22179656 - 6 Sep 2021
Cited by 70 | Viewed by 6874
Abstract
Abiotic stressors, such as drought, heavy metals, and high salinity, are causing huge crop losses worldwide. These abiotic stressors are expected to become more extreme, less predictable, and more widespread in the near future. With the rapidly growing human population and changing global [...] Read more.
Abiotic stressors, such as drought, heavy metals, and high salinity, are causing huge crop losses worldwide. These abiotic stressors are expected to become more extreme, less predictable, and more widespread in the near future. With the rapidly growing human population and changing global climate conditions, it is critical to prevent global crop losses to meet the increasing demand for food and other crop products. The reactive gaseous signaling molecule nitric oxide (NO) is involved in numerous plant developmental processes as well as plant responses to various abiotic stresses through its interactions with various molecules. Together, these interactions lead to the homeostasis of reactive oxygen species (ROS), proline and glutathione biosynthesis, post-translational modifications such as S-nitrosylation, and modulation of gene and protein expression. Exogenous application of various NO donors positively mitigates the negative effects of various abiotic stressors. In view of the multidimensional role of this signaling molecule, research over the past decade has investigated its potential in alleviating the deleterious effects of various abiotic stressors, particularly in ROS homeostasis. In this review, we highlight the recent molecular and physiological advances that provide insights into the functional role of NO in mediating various abiotic stress responses in plants. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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16 pages, 740 KiB  
Review
SA-Mediated Regulation and Control of Abiotic Stress Tolerance in Rice
by Kalaivani Nadarajah, Nur Wahida Abdul Hamid and Nur Sabrina Natasha Abdul Rahman
Int. J. Mol. Sci. 2021, 22(11), 5591; https://doi.org/10.3390/ijms22115591 - 25 May 2021
Cited by 40 | Viewed by 3946
Abstract
Environmental or abiotic stresses are a common threat that remains a constant and common challenge to all plants. These threats whether singular or in combination can have devastating effects on plants. As a semiaquatic plant, rice succumbs to the same threats. Here we [...] Read more.
Environmental or abiotic stresses are a common threat that remains a constant and common challenge to all plants. These threats whether singular or in combination can have devastating effects on plants. As a semiaquatic plant, rice succumbs to the same threats. Here we systematically look into the involvement of salicylic acid (SA) in the regulation of abiotic stress in rice. Studies have shown that the level of endogenous salicylic acid (SA) is high in rice compared to any other plant species. The reason behind this elevated level and the contribution of this molecule towards abiotic stress management and other underlying mechanisms remains poorly understood in rice. In this review we will address various abiotic stresses that affect the biochemistry and physiology of rice and the role played by SA in its regulation. Further, this review will elucidate the potential mechanisms that control SA-mediated stress tolerance in rice, leading to future prospects and direction for investigation. Full article
(This article belongs to the Special Issue ROS and Abiotic Stress in Plants 2.0)
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