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Roussin-Léveillée C, Rossi CAM, Castroverde CDM, Moffett P. The plant disease triangle facing climate change: a molecular perspective. TRENDS IN PLANT SCIENCE 2024; 29:895-914. [PMID: 38580544 DOI: 10.1016/j.tplants.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 02/27/2024] [Accepted: 03/06/2024] [Indexed: 04/07/2024]
Abstract
Variations in climate conditions can dramatically affect plant health and the generation of climate-resilient crops is imperative to food security. In addition to directly affecting plants, it is predicted that more severe climate conditions will also result in greater biotic stresses. Recent studies have identified climate-sensitive molecular pathways that can result in plants being more susceptible to infection under unfavorable conditions. Here, we review how expected changes in climate will impact plant-pathogen interactions, with a focus on mechanisms regulating plant immunity and microbial virulence strategies. We highlight the complex interactions between abiotic and biotic stresses with the goal of identifying components and/or pathways that are promising targets for genetic engineering to enhance adaptation and strengthen resilience in dynamically changing environments.
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Affiliation(s)
| | - Christina A M Rossi
- Department of Biology, Wilfrid Laurier University, Waterloo, Ontario, N2L 3C5, Canada
| | | | - Peter Moffett
- Centre SÈVE, Département de Biologie, Université de Sherbrooke, Sherbrooke, Québec, Canada.
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2
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Singh K, Gupta R, Shokat S, Iqbal N, Kocsy G, Pérez-Pérez JM, Riyazuddin R. Ascorbate, plant hormones and their interactions during plant responses to biotic stress. PHYSIOLOGIA PLANTARUM 2024; 176:e14388. [PMID: 38946634 DOI: 10.1111/ppl.14388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/18/2024] [Accepted: 05/22/2024] [Indexed: 07/02/2024]
Abstract
Plants can experience a variety of environmental stresses that significantly impact their fitness and survival. Additionally, biotic stress can harm agriculture, leading to reduced crop yields and economic losses worldwide. As a result, plants have developed defense strategies to combat potential invaders. These strategies involve regulating redox homeostasis. Several studies have documented the positive role of plant antioxidants, including Ascorbate (Asc), under biotic stress conditions. Asc is a multifaceted antioxidant that scavenges ROS, acts as a co-factor for different enzymes, regulates gene expression, and facilitates iron transport. However, little attention has been given to Asc and its transport, regulatory effects, interplay with phytohormones, and involvement in defense processes under biotic stress. Asc interacts with other components of the redox system and phytohormones to activate various defense responses that reduce the growth of plant pathogens and promote plant growth and development under biotic stress conditions. Scientific reports indicate that Asc can significantly contribute to plant resistance against biotic stress through mutual interactions with components of the redox and hormonal systems. This review focuses on the role of Asc in enhancing plant resistance against pathogens. Further research is necessary to gain a more comprehensive understanding of the molecular and cellular regulatory processes involved.
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Affiliation(s)
- Kalpita Singh
- Department of Biological Resources, Agricultural Institute, Centre for Agricultural Research, Hungarian Research Network (HUN-REN), Martonvásár, Hungary
- Doctoral School of Plant Sciences, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - Ravi Gupta
- College of General Education, Kookmin University, Seoul, Republic of South Korea
| | - Sajid Shokat
- Section for Crop Science, Department of Plant and Environmental Sciences, University of Copenhagen, Taastrup, Denmark
- Plant Breeding and Genetics Laboratory, IAEA Laboratories, Seibersdorf, Austria
| | - Nadeem Iqbal
- Department of Plant Biology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
- Doctoral School of Environmental Sciences, University of Szeged, Szeged, Hungary
| | - Gábor Kocsy
- Department of Biological Resources, Agricultural Institute, Centre for Agricultural Research, Hungarian Research Network (HUN-REN), Martonvásár, Hungary
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3
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Ren Y, Liu JM, He LP, Jiang JJ, Gong T, Zhou Q, Liu J, Li Q, Tang N, Chen ZX. Effect of Salicylic Acid Treatment on Disease Resistance to Coleosporium zanthoxyli in Chinese Pepper ( Zanthoxylum armatum). PLANT DISEASE 2024; 108:960-970. [PMID: 37858967 DOI: 10.1094/pdis-09-23-1880-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
The fungus Coleosporium zanthoxyli causes leaf rust in Chinese pepper (Zanthoxylum armatum). To investigate the control effect of elicitor treatment on leaf rust in this species, the impact of salicylic acid (SA) on the spores and growth of C. zanthoxyli and the induced resistance to leaf rust by Z. armatum were analyzed, and the possible defense mechanisms involved in SA induction were evaluated. The results showed that SA had no effect on C. zanthoxyli spore germination and growth; however, rust resistance was induced in Z. armatum. The optimal SA treatment concentration was 0.4 mg/ml, and the relative cure effect reached 44.56%. SA-induced disease resistance was evident for up to 10 days, while the optimal induction interval was 48 h after stimulation. Consistent with the induced resistance, H2O2, total protein, total phenol, and lignin concentrations and polyphenol oxidase (PPO), peroxidase (POD), phenylalanine ammonia lyase (PAL), superoxide dismutase (SOD), and catalase (CAT) activities were significantly increased with the SA treatment, whereas the malondialdehyde content was significantly decreased. In addition, exogenous SA promoted defense-related enzyme activities, including those of POD, CAT, and PAL, and increased H2O2, lignin, and endogenous SA contents. Furthermore, SA induced the expression of SA signaling pathway genes such as ZaPR1 and ZaNPR1, and silencing ZaPR1 enhanced the sensitivity of Z. armatum to leaf rust. Our results demonstrated that 0.4 mg/ml SA priming increased the activities of CAT, POD, and PAL, elevated the contents of H2O2, lignin, and endogenous SA, and upregulated the expression of the SA-related gene ZaPR1, thereby enhancing the resistance of Z. armatum to leaf rust.
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Affiliation(s)
- Yun Ren
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
- Chongqing Key Laboratory of Plant Disease Biology, College of Plant Protection, Southwest University, Chongqing, China
| | - Jia-Min Liu
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Liang-Ping He
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Jin-Jue Jiang
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Ting Gong
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Qian Zhou
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Jing Liu
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Qiang Li
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Ning Tang
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Ze-Xiong Chen
- Chongqing Key Laboratory of Economic Plant Biotechnology/Collaborative Innovation Center of Special Plant Industry in Chongqing/Institute of Special Plants, Chongqing University of Arts and Sciences, Chongqing 402160, China
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4
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Piechocka J, Wyszczelska-Rokiel M, Głowacki R. Simultaneous determination of 2-(3-hydroxy-5-phosphonooxymethyl-2-methyl-4-pyridyl)-1,3-thiazolidine-4-carboxylic acid and main plasma aminothiols by HPLC-UV based method. Sci Rep 2023; 13:9294. [PMID: 37286735 DOI: 10.1038/s41598-023-36548-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 06/06/2023] [Indexed: 06/09/2023] Open
Abstract
The report presents the first method for simultaneous determination of plasma 2-(3-hydroxy-5-phosphonooxymethyl-2-methyl-4-pyridyl)-1,3-thiazolidine-4-carboxylic acid (HPPTCA), an adduct of cysteine (Cys) and active form of vitamin B6 pyridoxal 5'-phosphate (PLP), as well as total low molecular-weight thiols content, including Cys, homocysteine (Hcy), cysteinyl-glycine (Cys-Gly), and glutathione (GSH). The assay is based on high performance liquid chromatography coupled with ultraviolet detection (HPLC-UV) and involves disulfides reduction with tris(2-carboxyethyl)phosphine (TCEP), derivatization with 2-chloro-1-methylquinolinium tetrafluoroborate (CMQT) followed by sample deproteinization with perchloric acid (PCA). The chromatographic separation of obtained stable UV-absorbing derivatives is achieved on ZORBAX SB-C18 (150 × 4.6 mm, 5.0 µm) column using gradient elution with eluent consisted of 0.1 mol/L trichloroacetic acid (TCA), pH 1.7 and acetonitrile (ACN), delivered at a flow rate 1 mL/min. Under these conditions, the analytes are separated within 14 min at room temperature, and quantified by monitoring at 355 nm. Regarding HPPTCA, the assay linearity was demonstrated within a 1-100 µmol/L in plasma and the lowest concentration on the calibration curve was recognized as the limit of quantification (LOQ). The accuracy ranged from 92.74 to 105.57% and 95.43 to 115.73%, while precision varied from 2.48 to 6.99% and 0.84 to 6.98% for intra- and inter-day measurements, respectively. The utility of the assay was proved by application to plasma samples delivered by apparently healthy donors (n = 18) in which the HPPTCA concentration ranged from 19.2 to 65.6 µmol/L. The HPLC-UV assay provides complementary tool for routine clinical analysis, facilitating further studies on the role of aminothiols and HPPTCA in living systems.
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Affiliation(s)
- Justyna Piechocka
- Department of Environmental Chemistry, Faculty of Chemistry, University of Lodz, 163/165 Pomorska Str., 90-236, Łódź, Poland.
| | - Monika Wyszczelska-Rokiel
- Department of Environmental Chemistry, Faculty of Chemistry, University of Lodz, 163/165 Pomorska Str., 90-236, Łódź, Poland
| | - Rafał Głowacki
- Department of Environmental Chemistry, Faculty of Chemistry, University of Lodz, 163/165 Pomorska Str., 90-236, Łódź, Poland.
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Yu X, Yang L, Fan C, Hu J, Zheng Y, Wang Z, Liu Y, Xiao X, Yang L, Lei T, Jiang M, Jiang B, Pan Y, Li X, Gao S, Zhou Y. Abscisic acid (ABA) alleviates cadmium toxicity by enhancing the adsorption of cadmium to root cell walls and inducing antioxidant defense system of Cosmos bipinnatus. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 261:115101. [PMID: 37290296 DOI: 10.1016/j.ecoenv.2023.115101] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 04/08/2023] [Accepted: 06/01/2023] [Indexed: 06/10/2023]
Abstract
Cadmium (Cd) pollution is a global problem affecting soil ecology and plant growth. Abscisic acid (ABA) acts as a growth and stress hormone, regulates cell wall synthesis, and plays an important role in plant responses to stress. There are few studies on the mechanisms behind abscisic acid alleviation of cadmium stress in Cosmos bipinnatus, especially in regards to regulation of the root cell wall. This study examined the effects of different concentrations of abscisic acid at different concentrations of cadmium stress. Through adding 5 μmol/L and 30 μmol/L cadmium, followed by spraying 10 μmol/L and 40 μmol/L ABA in a hydroponic experiment, it was found that under two concentrations of cadmium stress, low concentration of ABA improved root cell wall polysaccharide, Cd, and uronic acid content. Especially in pectin, after the application of low concentration ABA, the cadmium concentration was significantly increased by 1.5 times and 1.2 times compared with the Cd concentration under Cd5 and Cd30 treatment alone, respectively. Fourier-Transform Infrared spectroscopy (FTIR) demonstrated that cell wall functional groups such as -OH and -COOH were increased with exposure to ABA. Additionally, the exogenous ABA also increased expression of three kinds of antioxidant enzymes and plant antioxidants. The results of this study suggest that ABA could reduce Cd stress by increasing Cd accumulation, promoting Cd adsorption on the root cell wall, and activating protective mechanisms. This result could help promote application of C. bipinnatus for phytostabilization of cadmium-contaminated soil.
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Affiliation(s)
- Xiaofang Yu
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
| | - Liu Yang
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Chunyu Fan
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Jiani Hu
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Yunhao Zheng
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Zhiwen Wang
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Yujia Liu
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Xue Xiao
- Triticeae research Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Lijuan Yang
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Ting Lei
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Mingyan Jiang
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Beibei Jiang
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Yuanzhi Pan
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Xi Li
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Suping Gao
- College of landscape architecture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Yonghong Zhou
- Triticeae research Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
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6
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Kaźmierczak A, Kornaś A, Mościpan M, Łęcka J. Influence of bisphenol A on growth and metabolism of Vicia faba ssp. minor seedlings depending on lighting conditions. Sci Rep 2022; 12:20259. [PMID: 36424469 PMCID: PMC9691730 DOI: 10.1038/s41598-022-24219-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 11/11/2022] [Indexed: 11/27/2022] Open
Abstract
The effect of one of anthropogenic pollutants, i.e., 4,4'-isopropylidenediphenol, called 2,2-bis (4-hydroxyphenyl) propane (BPA), at 30 and 120 mg L-1 concentrations in the darkness (DK) or dark/light (DK/LT) on growth and selected elements of metabolism of seedlings and leaf discs of Vicia faba ssp. minor was studied. Treatment with 120 mg L-1 BPA had greater effects which were reflected by increase in the number of necrotic changes in roots and stems as well as in leaf discs and reduction of the length of roots DK and DK/LT, and volume of roots in the DK group. However, minimal and no influence on the fresh and dry weight of roots and stems in plants growing under both types of lighting conditions were observed. In both DK and DK/LT groups these effects were correlated with reduced amounts of storage and cell wall-bound sugars as well as of proteins while in the DK/LT additionally with reduced soluble sugar levels in the roots and increased amounts of hydrogen peroxide and phenols in roots and stems as well as in treatment solutions, where these compounds were released. We suggest that endogenous phenols and BPA can be metabolised in roots and stems to quinones. It seems that TB-1,4-BQ, is the one of that of the five studied quinones. We expect that the results of this paper will help to answer the following question: does the phytomeliorative and phytosanitative V. faba ssp. minor plant is enough to be resistant on negative effects, and to be useful to reduce increasing amount of BPA in the environment?
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Affiliation(s)
- Andrzej Kaźmierczak
- grid.10789.370000 0000 9730 2769Department of Cytophysiology, Institute of Experimental Biology, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska 141/143, 90-236 Łódź, Poland
| | - Andrzej Kornaś
- grid.412464.10000 0001 2113 3716Institute of Biology, Pedagogical University of Krakow, Podchorążych 2, 30-084 Kraków, Poland
| | - Małgorzata Mościpan
- grid.460358.c0000 0001 1087 659XInstitute of Heavy Organic Synthesis “Blachownia”, Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland
| | - Justyna Łęcka
- grid.10789.370000 0000 9730 2769Laboratory of Environmental Threats, Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Łódź, Tamka 12, 91-403 Łódź, Poland
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Dorion S, Ouellet JC, Rivoal J. Glutathione Metabolism in Plants under Stress: Beyond Reactive Oxygen Species Detoxification. Metabolites 2021; 11:metabo11090641. [PMID: 34564457 PMCID: PMC8464934 DOI: 10.3390/metabo11090641] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/14/2021] [Accepted: 09/14/2021] [Indexed: 01/16/2023] Open
Abstract
Glutathione is an essential metabolite for plant life best known for its role in the control of reactive oxygen species (ROS). Glutathione is also involved in the detoxification of methylglyoxal (MG) which, much like ROS, is produced at low levels by aerobic metabolism under normal conditions. While several physiological processes depend on ROS and MG, a variety of stresses can dramatically increase their concentration leading to potentially deleterious effects. In this review, we examine the structure and the stress regulation of the pathways involved in glutathione synthesis and degradation. We provide a synthesis of the current knowledge on the glutathione-dependent glyoxalase pathway responsible for MG detoxification. We present recent developments on the organization of the glyoxalase pathway in which alternative splicing generate a number of isoforms targeted to various subcellular compartments. Stress regulation of enzymes involved in MG detoxification occurs at multiple levels. A growing number of studies show that oxidative stress promotes the covalent modification of proteins by glutathione. This post-translational modification is called S-glutathionylation. It affects the function of several target proteins and is relevant to stress adaptation. We address this regulatory function in an analysis of the enzymes and pathways targeted by S-glutathionylation.
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Li GZ, Chen SJ, Li NY, Wang YY, Kang GZ. Exogenous Glutathione Alleviates Cadmium Toxicity in Wheat by Influencing the Absorption and Translocation of Cadmium. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 107:320-326. [PMID: 34110442 PMCID: PMC8346402 DOI: 10.1007/s00128-021-03283-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 06/03/2021] [Indexed: 06/08/2023]
Abstract
Cadmium (Cd), a toxic heavy metal, is harmful to plants and human health. Glutathione (GSH) could alleviate Cd toxicity of plant species, whereas its mechanism responsible for wheat remains poorly understood. Here, we found that exogenous GSH application significantly increased the fresh and dry weight, root elongation, chlorophyll contents, while decreased the contents of malondialdehyde (MDA) and GSH, and translocation factor of Cd compared with Cd treatment. Moreover, GSH application significantly increased activities of antioxidant enzymes and expression of related genes, which involved in GSH synthesis, especially in roots. In addition, we found that GSH application suppressed Cd-induced expression of metal transporter genes TaNramp1, TaNramp5, TaHMA2, TaHMA3, TaLCT1 and TaIRT2 in roots. Taken together, our results suggested that GSH could alleviate Cd toxicity in wheat by increasing GSH synthesis gene expression or suppressing Cd transporter genes expression, and further affecting Cd uptake and translocation in wheat plants.
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Affiliation(s)
- Ge-Zi Li
- National Engineering Research Center for Wheat, Henan Agricultural University, #15 Longzihu College District, Zhengzhou, 450046, Henan Province, People's Republic of China
| | - Shi-Juan Chen
- National Engineering Research Center for Wheat, Henan Agricultural University, #15 Longzihu College District, Zhengzhou, 450046, Henan Province, People's Republic of China
| | - Na-Ying Li
- National Engineering Research Center for Wheat, Henan Agricultural University, #15 Longzihu College District, Zhengzhou, 450046, Henan Province, People's Republic of China
| | - Ying-Ying Wang
- National Engineering Research Center for Wheat, Henan Agricultural University, #15 Longzihu College District, Zhengzhou, 450046, Henan Province, People's Republic of China
| | - Guo-Zhang Kang
- National Engineering Research Center for Wheat, Henan Agricultural University, #15 Longzihu College District, Zhengzhou, 450046, Henan Province, People's Republic of China.
- National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, #15 Longzihu College District, Zhengzhou, 450046, Henan Province, People's Republic of China.
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9
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Nosek M, Kaczmarczyk A, Jędrzejczyk RJ, Supel P, Kaszycki P, Miszalski Z. Expression of Genes Involved in Heavy Metal Trafficking in Plants Exposed to Salinity Stress and Elevated Cd Concentrations. PLANTS 2020; 9:plants9040475. [PMID: 32283631 PMCID: PMC7238198 DOI: 10.3390/plants9040475] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 03/26/2020] [Accepted: 04/07/2020] [Indexed: 11/16/2022]
Abstract
Many areas intended for crop production suffer from the concomitant occurrence of heavy metal pollution and elevated salinity; therefore, halophytes seem to represent a promising perspective for the bioremediation of contaminated soils. In this study, the influence of Cd treatment (0.01-10.0 mM) and salinity stress (0.4 M NaCl) on the expression of genes involved in heavy metal uptake (irt2-iron-regulated protein 2, zip4-zinc-induced protein 4), vacuolar sequestration (abcc2-ATP-binding cassette 2, cax4-cation exchanger 2 pcs1-phytochelatin synthase 1) and translocation into aerial organs (hma4-heavy metal ATPase 4) were analyzed in a soil-grown semi-halophyte Mesembryanthemum crystallinum. The upregulation of irt2 expression induced by salinity was additionally enhanced by Cd treatment. Such changes were not observed for zip4. Stressor-induced alterations in abcc2, cax4, hma4 and pcs1 expression were most pronounced in the root tissue, and the expression of cax4, hma4 and pcs1 was upregulated in response to salinity and Cd. However, the cumulative effect of both stressors, similar to the one described for irt2, was observed only in the case of pcs1. The importance of salt stress in the irt2 expression regulation mechanism is proposed. To the best of our knowledge, this study is the first to report the combined effect of salinity and heavy metal stress on genes involved in heavy metal trafficking.
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Affiliation(s)
- Michał Nosek
- Institute of Biology, Pedagogical University, Podchorążych 2, 30-084 Kraków, Poland
- Correspondence: e-mail: ; Tel.: +48-12-662-78-32
| | - Adriana Kaczmarczyk
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (A.K.); (Z.M.)
| | - Roman J. Jędrzejczyk
- Małopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Kraków, Poland;
| | - Paulina Supel
- Department of Plant Biology and Biotechnology, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, al. 29 Listopada 54, 31-425 Kraków, Poland; (P.S.); (P.K.)
| | - Paweł Kaszycki
- Department of Plant Biology and Biotechnology, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, al. 29 Listopada 54, 31-425 Kraków, Poland; (P.S.); (P.K.)
| | - Zbigniew Miszalski
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (A.K.); (Z.M.)
- Małopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Kraków, Poland;
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10
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Hasanuzzaman M, Bhuyan MHMB, Anee TI, Parvin K, Nahar K, Mahmud JA, Fujita M. Regulation of Ascorbate-Glutathione Pathway in Mitigating Oxidative Damage in Plants under Abiotic Stress. Antioxidants (Basel) 2019; 8:E384. [PMID: 31505852 PMCID: PMC6770940 DOI: 10.3390/antiox8090384] [Citation(s) in RCA: 384] [Impact Index Per Article: 76.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/25/2019] [Accepted: 09/05/2019] [Indexed: 01/08/2023] Open
Abstract
Reactive oxygen species (ROS) generation is a usual phenomenon in a plant both under a normal and stressed condition. However, under unfavorable or adverse conditions, ROS production exceeds the capacity of the antioxidant defense system. Both non-enzymatic and enzymatic components of the antioxidant defense system either detoxify or scavenge ROS and mitigate their deleterious effects. The Ascorbate-Glutathione (AsA-GSH) pathway, also known as Asada-Halliwell pathway comprises of AsA, GSH, and four enzymes viz. ascorbate peroxidase, monodehydroascorbate reductase, dehydroascorbate reductase, and glutathione reductase, play a vital role in detoxifying ROS. Apart from ROS detoxification, they also interact with other defense systems in plants and protect the plants from various abiotic stress-induced damages. Several plant studies revealed that the upregulation or overexpression of AsA-GSH pathway enzymes and the enhancement of the AsA and GSH levels conferred plants better tolerance to abiotic stresses by reducing the ROS. In this review, we summarize the recent progress of the research on AsA-GSH pathway in terms of oxidative stress tolerance in plants. We also focus on the defense mechanisms as well as molecular interactions.
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Affiliation(s)
- Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh.
| | - M H M Borhannuddin Bhuyan
- Laboratory of Plant Stress Responses, Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa 761-0795, Japan.
- Citrus Research Station, Bangladesh Agricultural Research Institute, Jaintapur, Sylhet 3156, Bangladesh.
| | - Taufika Islam Anee
- Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh.
| | - Khursheda Parvin
- Laboratory of Plant Stress Responses, Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa 761-0795, Japan.
- Department of Horticulture, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh.
| | - Kamrun Nahar
- Department of Agricultural Botany, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh.
| | - Jubayer Al Mahmud
- Department of Agroforestry and Environmental Science, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh.
| | - Masayuki Fujita
- Laboratory of Plant Stress Responses, Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa 761-0795, Japan.
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11
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Ambastha V, Sopory SK, Tiwari BS, Tripathy BC. Photo-modulation of programmed cell death in rice leaves triggered by salinity. Apoptosis 2018; 22:41-56. [PMID: 27747443 DOI: 10.1007/s10495-016-1305-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In this paper we provide evidence for involvement of chloroplast as alternate organelle for initiating PCD in plants under light and abiotic stress. In animals, mitochondria are the major source of reactive oxygen species (ROS) and key executioner of programmed cell death (PCD). In plants, however, the primary site of generation of ROS is chloroplast and yet its involvement in PCD has not been worked out in details. We found by Evans blue staining that salt (150 mM NaCl)-treated protoplasts obtained from green seedlings had higher rate of cell death than protoplasts obtained from etiolated seedlings. This indicated that cell death induced by NaCl is accentuated by light. Imposition of salt-stress to green protoplasts generated H2O2. Known hallmarks of PCD i.e., blebbing of cell membrane, loabing in nucleus, nick in DNA were observed in light-exposed salt-treated protoplasts and seedlings. TUNEL-FACS assay demonstrate several DNA nicks in the salt-treated green protoplasts exposed to light. Conversely, salt-treated etiolated protoplasts kept in dark had only a few TUNEL-positive nuclei. Similarly, a substantial numbers of TUNEL positive nuclei were observed in green seedlings due to salt treatment in light. However, salt-treated etiolated seedlings kept in dark had very few TUNEL positive nuclei. Addition of Caspase 3 inhibitor (DAVD-CHO) rescued (~50 %) green protoplasts from salt-stress induced cell death suggesting an involvement of apoptosis like PCD (AL-PCD). Ultra structure studies of chloroplast, mitochondria and nucleus from the leaves obtained from salt treated seedlings at the time point that showed PCD signature, resulted to severe granal de-stacking in chloroplasts while structural integrity of mitochondria was maintained. These studies demonstrate the photo-modulation of salinity-induced PCD in photosynthetic tissues is mainly executed by chloroplasts.
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Affiliation(s)
- Vivek Ambastha
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Sudhir K Sopory
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Budhi Sagar Tiwari
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067, India.
| | - Baishnab C Tripathy
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
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12
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Chojak-Koźniewska J, Kuźniak E, Linkiewicz A, Sowa S. Primary carbon metabolism-related changes in cucumber exposed to single and sequential treatments with salt stress and bacterial infection. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2018; 123:160-169. [PMID: 29247936 DOI: 10.1016/j.plaphy.2017.12.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 12/06/2017] [Indexed: 05/12/2023]
Abstract
This study examines how salt stress interacts with bacterial infection at the metabolic level. We measured chlorophyll a fluorescence as well as profiles of phosphoenolpyruvate carboxylase (PEPC), NADP-malic enzyme (NADP-ME), NADP-isocitrate dehydrogenase (NADP-ICDH) and fumarase activities, malic and citric acids contents and the expression of NADP-ICDH and NADP-ME in the organ-dependent (root vs leaves) response of cucumber plants exposed to individual or sequential action of salt stress (50 mM or 100 mM NaCl) and Pseudomonas syringae pv lachrymans (Psl). NaCl treatment, Psl infection and the combination of these stresses caused disturbances in the activity of photosystem II which were suggested to specifically transmit the stress signals. PEPC and NADP-ME were induced in cucumber plants under stress, confirming that in C3 plants they function in defence responses. The profiles of malate and citrate contents, PEPC as well as NADP-ICDH and NADP-ME activities and gene expression in response to a combination of salt and pathogen stresses differed from those provoked by individual stress with respect to the direction, intensity and timing. The results indicated that the most pronounced defence response related to the readjustment of the carbon metabolism was observed in the leaves of plants exposed to combined stress. Intense activity changes of NADPH-generating enzymes, NADP-ICDH and NADP-ME, characterized the tailored response to combined stress and could be important for the integration of defence mechanisms between organs.
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Affiliation(s)
- Joanna Chojak-Koźniewska
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Łódź, Poland; Genetically Modified Organisms Controlling Laboratory, Plant Breeding and Acclimatization Institute - National Research Institute, Radzików, Poland.
| | - Elżbieta Kuźniak
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Łódź, Poland.
| | - Anna Linkiewicz
- Genetically Modified Organisms Controlling Laboratory, Plant Breeding and Acclimatization Institute - National Research Institute, Radzików, Poland
| | - Sławomir Sowa
- Genetically Modified Organisms Controlling Laboratory, Plant Breeding and Acclimatization Institute - National Research Institute, Radzików, Poland
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13
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Mahesh HM, Murali M, Anup Chandra Pal M, Melvin P, Sharada MS. Salicylic acid seed priming instigates defense mechanism by inducing PR-Proteins in Solanum melongena L. upon infection with Verticillium dahliae Kleb. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2017; 117:12-23. [PMID: 28578205 DOI: 10.1016/j.plaphy.2017.05.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 05/19/2017] [Accepted: 05/19/2017] [Indexed: 05/23/2023]
Abstract
Salicylic acid (SA) is a hormone connected with various cellular functions including the fight against invading pathogens. Priming of seeds pre-sowing is a very simple method to the farmers' to produce better growth, yield and manage the pathogens. The present study was aimed to determine the growth and disease resistance ability in brinjal seeds primed with different concentrations (0.25, 0.5, 0.75 and 1.0 mM) of SA under greenhouse conditions. Priming of seeds with SA significantly increased seed germination and seedling vigor with a maximum of 84% and 859.18, respectively at 0.5 mM concentration. Seed priming with SA also reduced Verticillium wilt incidence to 39.25% (at 0.5 mM) under greenhouse conditions and also enhanced the vegetative growth parameters of the plant compared to control. The induced resistance obtained with SA was in line with higher expression of PR-protein (β-1,3-glucanase and chitinase) related defense enzymes. Further, an increase of 1.7, 2.9, 2.1, 2.5 and 2-fold increase in gene expression of IAA27, MPK1, GPX, chitinase and β-1,3-glucanase, respectively were observed in SA primed challenge inoculated seedlings than non-primed susceptible inoculated controls. The higher expression of IAA27, MPK1, GPX, chitinase and β-1,3-glucanase correlates with the plant growth promoting and disease protection studies as these genes are vital for increasing plant growth and inducing resistance during host-pathogen interaction. Enhanced activation of defense-related activities in plants upon priming with SA suggests that it alters plant physiology which in turn is useful for production and protection of brinjal.
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Affiliation(s)
- H M Mahesh
- Department of Studies in Botany, University of Mysore, Manasasgangotri, Mysuru 570 006, Karnataka, India
| | - M Murali
- Department of Studies in Botany, University of Mysore, Manasasgangotri, Mysuru 570 006, Karnataka, India
| | - M Anup Chandra Pal
- Department of Studies in Biotechnology, University of Mysore, Manasasgangotri, Mysuru 570 006, Karnataka, India
| | - Prasad Melvin
- Department of Studies in Biotechnology, University of Mysore, Manasasgangotri, Mysuru 570 006, Karnataka, India
| | - M S Sharada
- Department of Studies in Botany, University of Mysore, Manasasgangotri, Mysuru 570 006, Karnataka, India.
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14
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Kuźniak E, Kornas A, Kaźmierczak A, Rozpądek P, Nosek M, Kocurek M, Zellnig G, Müller M, Miszalski Z. Photosynthesis-related characteristics of the midrib and the interveinal lamina in leaves of the C3-CAM intermediate plant Mesembryanthemum crystallinum. ANNALS OF BOTANY 2016; 117:1141-51. [PMID: 27091507 PMCID: PMC4904173 DOI: 10.1093/aob/mcw049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Accepted: 02/01/2016] [Indexed: 05/12/2023]
Abstract
BACKGROUND AND AIMS Leaf veins are usually encircled by specialized bundle sheath cells. In C4 plants, they play an important role in CO2 assimilation, and the photosynthetic activity is compartmentalized between the mesophyll and the bundle sheath. In C3 and CAM (Crassulacean acid metabolism) plants, the photosynthetic activity is generally attributed to the leaf mesophyll cells, and the vascular parenchymal cells are rarely considered for their role in photosynthesis. Recent studies demonstrate that enzymes required for C4 photosynthesis are also active in the veins of C3 plants, and their vascular system contains photosynthetically competent parenchyma cells. However, our understanding of photosynthesis in veins of C3 and CAM plants still remains insufficient. Here spatial analysis of photosynthesis-related properties were applied to the midrib and the interveinal lamina cells in leaves of Mesembryanthemum crystallinum, a C3-CAM intermediate plant. METHODS The midrib anatomy as well as chloroplast structure and chlorophyll fluorescence, diurnal gas exchange profiles, the immunoblot patterns of PEPC (phosphoenolpyruvate carboxylase) and RubisCO (ribulose-1,5-bisphosphate carboxylase/oxygenase), H2O2 localization and antioxidant enzyme activities were compared in the midrib and in the interveinal mesophyll cells in leaves of C3 and CAM plants. KEY RESULTS Leaf midribs were structurally competent to perform photosynthesis in C3 and CAM plants. The midrib chloroplasts resembled those in the bundle sheath cells of C4 plants and were characterized by limited photosynthetic activity. CONCLUSIONS The metabolic roles of midrib chloroplasts differ in C3 and CAM plants. It is suggested that in leaves of C3 plants the midrib chloroplasts could be involved in the supply of CO2 for carboxylation, and in CAM plants they could provide malate to different metabolic processes and mediate H2O2 signalling.
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Affiliation(s)
- Elżbieta Kuźniak
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Łódź, Poland
| | - Andrzej Kornas
- Institute of Biology, Pedagogical University, Podchorążych 2, 30-084 Kraków, Poland
| | - Andrzej Kaźmierczak
- Department of Cytophysiology, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Łódź, Poland
| | - Piotr Rozpądek
- Institute of Environmental Science, Jagiellonian University, Gronostajowa 7a, 30-387 Kraków, Poland, Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland
| | - Michał Nosek
- Institute of Biology, Pedagogical University, Podchorążych 2, 30-084 Kraków, Poland
| | - Maciej Kocurek
- Institute of Biology, Jan Kochanowski University, Świętokrzyska 15, 25-406 Kielce, Poland
| | - Günther Zellnig
- Institute of Plant Sciences, University of Graz, Schubertstrasse 51, A-8010 Graz, Austria and
| | - Maria Müller
- Institute of Plant Sciences, University of Graz, Schubertstrasse 51, A-8010 Graz, Austria and
| | - Zbigniew Miszalski
- Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland, Małopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Kraków, Poland
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15
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Mitton FM, Ribas Ferreira JL, Gonzalez M, Miglioranza KSB, Monserrat JM. Antioxidant responses in soybean and alfalfa plants grown in DDTs contaminated soils: Useful variables for selecting plants for soil phytoremediation? PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2016; 130:17-21. [PMID: 27155479 DOI: 10.1016/j.pestbp.2015.12.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 11/16/2015] [Accepted: 12/15/2015] [Indexed: 06/05/2023]
Abstract
Phytoremediation is a low-cost alternative technology based on the use of plants to remove pollutants from the environment. Persistent organic pollutants such as DDTs with a long half-life in soils are attractive candidates for remediation. This study aimed to determine the potential of antioxidant response use in the evaluation of plants' tolerance for selecting species in phytoremediation purposes. Alfalfa and soybean plants were grown in DDT contaminated soils. After 60days, growth, protein content, antioxidant capacity, GST activity, concentration of proteic and non-proteic thiol groups, chlorophyll content and carotenoid content were measured in plant tissues. Results showed no effect on alfalfa or soybean photosynthetic pigments but different responses in the protein content, antioxidant capacity, GST activity and thiol groups on roots, stems and leaves, indicating that DDTs affected both species. Soybean showed higher susceptibility than alfalfa plants due to the lower antioxidant capacity and GST activity in leaves, in spite of having the lowest DDT accumulation. This study provides new insights into the role of oxidative stress as an important component of the plant's response to DDT exposure.
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Affiliation(s)
- Francesca M Mitton
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones, Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMdP) - Consejo Nacional de Investigaciones, Científicas y Técnicas (CONICET), Dean Funes 3350, Mar del Plata 7600, Argentina.
| | - Josencler L Ribas Ferreira
- Universidade Federal de Rio Grande - FURG, Instituto de Ciências Biológicas (ICB), Rio Grande do Sul, Brazil
| | - Mariana Gonzalez
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones, Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMdP) - Consejo Nacional de Investigaciones, Científicas y Técnicas (CONICET), Dean Funes 3350, Mar del Plata 7600, Argentina
| | - Karina S B Miglioranza
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones, Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMdP) - Consejo Nacional de Investigaciones, Científicas y Técnicas (CONICET), Dean Funes 3350, Mar del Plata 7600, Argentina.
| | - José M Monserrat
- Universidade Federal de Rio Grande - FURG, Instituto de Ciências Biológicas (ICB), Rio Grande do Sul, Brazil
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16
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Kuźniak E, Wielanek M, Chwatko G, Głowacki R, Libik-Konieczny M, Piątek M, Gajewska E, Skłodowska M. Salicylic acid and cysteine contribute to arbutin-induced alleviation of angular leaf spot disease development in cucumber. JOURNAL OF PLANT PHYSIOLOGY 2015; 181:9-13. [PMID: 25955697 DOI: 10.1016/j.jplph.2015.03.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Revised: 03/22/2015] [Accepted: 03/23/2015] [Indexed: 06/04/2023]
Abstract
Arbutin induced suppression of angular leaf spot disease in cucumber resulting from lower populations of Pseudomonas syringae pv lachrymans in the infected tissues. This study provides insight into mechanisms that may potentially account for this effect. In the absence of the pathogen, exogenous arbutin-induced expression of PR1, the marker of salicylic acid signaling, increased the content of salicylic acid and modulated the cysteine pool. This suggested that arbutin promoted cucumber plants to a "primed" state. When challenged with the pathogen, the arbutin-treated plants showed strongly reduced infection symptoms 7 days after inoculation. At this time point, they were characterized by higher contents of free and protein-bound cysteine due to higher cysteine biosynthetic capacity related to increased activities of serine acetyltransferase and cysteine synthase when compared with plants infected without arbutin treatment. Moreover, in the arbutin-treated and infected plants the contents of free salicylic acid and its conjugates were also increased, partly owing to its biosynthesis via the phenylpropanoid pathway. We suggest that arbutin-induced abrogation of angular leaf spot disease in cucumber could be mediated by salicylic acid and cysteine-based signaling.
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Affiliation(s)
- Elżbieta Kuźniak
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 12/16, 90-237, Łódź, Poland.
| | - Marzena Wielanek
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 12/16, 90-237, Łódź, Poland
| | - Grażyna Chwatko
- Department of Environmental Chemistry, Faculty of Chemistry, University of Łódź, Pomorska 163, 90-236, Łódź, Poland
| | - Rafał Głowacki
- Department of Environmental Chemistry, Faculty of Chemistry, University of Łódź, Pomorska 163, 90-236, Łódź, Poland
| | - Marta Libik-Konieczny
- Institute of Plant Physiology, Polish Academy of Science, Niezapominajek 21, 30-239, Kraków, Poland
| | - Milena Piątek
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 12/16, 90-237, Łódź, Poland
| | - Ewa Gajewska
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 12/16, 90-237, Łódź, Poland
| | - Maria Skłodowska
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 12/16, 90-237, Łódź, Poland
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17
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Baltazar MT, Dinis-Oliveira RJ, Martins A, Bastos MDL, Duarte JA, Guilhermino L, Carvalho F. Lysine acetylsalicylate increases the safety of a paraquat formulation to freshwater primary producers: a case study with the microalga Chlorella vulgaris. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 146:137-143. [PMID: 24296111 DOI: 10.1016/j.aquatox.2013.10.034] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Revised: 10/07/2013] [Accepted: 10/29/2013] [Indexed: 06/02/2023]
Abstract
Large amounts of herbicides are presently used in the industrialized nations worldwide, with an inexorable burden to the environment, especially to aquatic ecosystems. Primary producers such as microalgae are of especial concern because they are vital for the input of energy into the ecosystem and for the maintenance of oxygen in water on which most of other marine life forms depend on. The herbicide paraquat (PQ) is known to cause inhibition of photosynthesis and irreversible damage to photosynthetic organisms through generation of reactive oxygen species in a light-dependent manner. Previous studies have led to the development of a new formulation of PQ containing lysine acetylsalicylate (LAS) as an antidote, which was shown to prevent the mammalian toxicity of PQ, while maintaining the herbicidal effect. However, the safety of this formulation to primary producers in relation to commercially available PQ formulations has hitherto not been established. Therefore, the aim of this study was to evaluate the toxicity of the PQ+LAS formulation in comparison with the PQ, using Chlorella vulgaris as a test organism. Effect criterion was the inhibition of microalgal population growth. Following a 96 h exposure to increasing concentrations of PQ, C. vulgaris growth was almost completely inhibited, an effect that was significantly prevented by LAS at the proportion used in the formulation (PQ+LAS) 1:2 (mol/mol), while the highest protection was achieved at the proportion of 1:8. In conclusion, the present work demonstrated that the new formulation with PQ+LAS has a reduced toxicity to C. vulgaris when compared to Gramoxone(®).
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Affiliation(s)
- Maria Teresa Baltazar
- REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; IINFACTS-Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, Advanced Institute of Health Sciences-North, CESPU, CRL, Rua Central de Gandra, 1317, 4585-116 Gandra, Portugal.
| | - Ricardo Jorge Dinis-Oliveira
- REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; IINFACTS-Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, Advanced Institute of Health Sciences-North, CESPU, CRL, Rua Central de Gandra, 1317, 4585-116 Gandra, Portugal; Department of Legal Medicine and Forensic Sciences, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal; CENCIFOR-Forensic Sciences Center, Largo da Sé Nova, 3000-213, Coimbra, Portugal
| | - Alexandra Martins
- CIIMAR Interdisciplinary Centre of Marine and Environmental Research, Laboratory of Ecotoxicology and Ecology, Rua dos Bragas, 289, 4050-123 Porto, Portugal; ICBAS-Institute of Biomedical Sciences of Abel Salazar, University of Porto, Department of Populations Studies, Laboratory of Ecotoxicology, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Maria de Lourdes Bastos
- REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - José Alberto Duarte
- CIAFEL, Faculty of Sports, University of Porto, Rua Dr. Plácido Costa, 91-4200-450 Porto, Portugal
| | - Lúcia Guilhermino
- CIIMAR Interdisciplinary Centre of Marine and Environmental Research, Laboratory of Ecotoxicology and Ecology, Rua dos Bragas, 289, 4050-123 Porto, Portugal; ICBAS-Institute of Biomedical Sciences of Abel Salazar, University of Porto, Department of Populations Studies, Laboratory of Ecotoxicology, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Félix Carvalho
- REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
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18
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Chen S, Liu A, Zhang S, Li C, Chang R, Liu D, Ahammed GJ, Lin X. Overexpression of mitochondrial uncoupling protein conferred resistance to heat stress and Botrytis cinerea infection in tomato. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2013; 73:245-53. [PMID: 24161754 DOI: 10.1016/j.plaphy.2013.10.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Accepted: 10/02/2013] [Indexed: 05/22/2023]
Abstract
The mitochondrial uncoupling protein genes improve plant stress tolerance by minimizing oxidative damage. However, the underlying mechanism of redox homeostasis and antioxidant signaling associated with reactive oxygen species (ROS) accumulation remained poorly understood. We introduced LeUCP gene into tomato line Ailsa Craig via Agrobacterium-mediated method. Transgenic lines were confirmed for integration into the tomato genome using PCR and Southern blot hybridization. One to three copies of the transgene were integrated into the tomato nuclear genome. Transcription of LeUCP in various transgenic lines was determined using real-time PCR. Transgenic tomato overexpressing LeUCP showed higher growth rate, chlorophyll content, maximum photochemical efficiency of PSII (Fv/Fm), photochemical quenching coefficient (qP) and electron transport rate (ETR), increased contents of AsA and proline, higher AsA/DHA ratio and GalLDH activity, reduced ROS accumulation, and enhanced heat stress tolerance compared with the control plants. The transgenic tomato plants also exhibited significant increases in tolerance against the necrotrophic fungus Botrytis cinerea. Taken together, our results suggest that LeUCP may play a pivotal role in controlling a broad range of abiotic and biotic stresses in plants by increasing redox level and antioxidant capacity, elevating electron transport rate, lowering H2O2 and lipid peroxidation accumulation.
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Affiliation(s)
- Shuangchen Chen
- College of Forestry, Henan University of Science and Technology, Luoyang 471003, PR China.
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19
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Xing F, Li Z, Sun A, Xing D. Reactive oxygen species promote chloroplast dysfunction and salicylic acid accumulation in fumonisin B1-induced cell death. FEBS Lett 2013; 587:2164-72. [DOI: 10.1016/j.febslet.2013.05.034] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Revised: 04/19/2013] [Accepted: 05/05/2013] [Indexed: 12/22/2022]
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