Glutathione-dependent redox homeostasis is critical for chlorothalonil detoxification in tomato leaves
Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved..
Glutathione plays a critical role in plant growth, development and response to stress. It is a major cellular antioxidant and is involved in the detoxification of xenobiotics in many organisms, including plants. However, the role of glutathione-dependent redox homeostasis and associated molecular mechanisms regulating the antioxidant system and pesticide metabolism remains unclear. In this study, endogenous glutathione levels were manipulated by pharmacological treatments with glutathione synthesis inhibitors and oxidized glutathione. The application of oxidized glutathione enriched the cellular oxidation state, reduced the activity and transcript levels of antioxidant enzymes, upregulated the expression level of nitric oxide and Ca2+ related genes and the content, and increased the residue of chlorothalonil in tomato leaves. Further experiments confirmed that glutathione-induced redox homeostasis is critical for the reduction of pesticide residues. RNA sequencing analysis revealed that miRNA156 and miRNA169 that target transcription factor SQUAMOSA-Promoter Binding Proteins (SBP) and NUCLEAR FACTOR Y (NFY) potentially participate in glutathione-mediated pesticide degradation in tomato plants. Our study provides important clues for further dissection of pesticide degradation mechanisms via miRNAs in plants.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:268 |
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| Enthalten in: |
Ecotoxicology and environmental safety - 268(2023) vom: 15. Dez., Seite 115732 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yu, Gao-Bo [VerfasserIn] |
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| Links: |
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| Themen: |
Antioxidants |
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| Anmerkungen: |
Date Completed 04.12.2023 Date Revised 04.12.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ecoenv.2023.115732 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a Glutathione plays a critical role in plant growth, development and response to stress. It is a major cellular antioxidant and is involved in the detoxification of xenobiotics in many organisms, including plants. However, the role of glutathione-dependent redox homeostasis and associated molecular mechanisms regulating the antioxidant system and pesticide metabolism remains unclear. In this study, endogenous glutathione levels were manipulated by pharmacological treatments with glutathione synthesis inhibitors and oxidized glutathione. The application of oxidized glutathione enriched the cellular oxidation state, reduced the activity and transcript levels of antioxidant enzymes, upregulated the expression level of nitric oxide and Ca2+ related genes and the content, and increased the residue of chlorothalonil in tomato leaves. Further experiments confirmed that glutathione-induced redox homeostasis is critical for the reduction of pesticide residues. RNA sequencing analysis revealed that miRNA156 and miRNA169 that target transcription factor SQUAMOSA-Promoter Binding Proteins (SBP) and NUCLEAR FACTOR Y (NFY) potentially participate in glutathione-mediated pesticide degradation in tomato plants. Our study provides important clues for further dissection of pesticide degradation mechanisms via miRNAs in plants | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Chlorothalonil | |
| 650 | 4 | |a Glutathione | |
| 650 | 4 | |a MiRNA | |
| 650 | 4 | |a Pesticide residue | |
| 650 | 4 | |a Redox homeostasis | |
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| 700 | 1 | |a Tian, Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Ru-Nan |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Han-Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Wen, Bo-Wen |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Jin-Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Qiu-Sen |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Feng-Qiong |e verfasserin |4 aut | |
| 700 | 1 | |a Sheng, Yun-Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Feng-Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Chun-Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yu-Xian |e verfasserin |4 aut | |
| 700 | 1 | |a Ahammed, Golam Jalal |e verfasserin |4 aut | |
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