Evaluation of negative effect of Naphthenic acids (NAs) on physiological metabolism and polycyclic aromatic hydrocarbons adsorption of Phragmites australis
Copyright © 2023 Elsevier Ltd. All rights reserved..
Toxic substances in the environment disturb the adsorption of pollutants in plants but little is known about the underlying mechanisms of these processes. This study evaluated the PAH adsorption by Phragmites australis under NAs stress. Results showed that Naphthenic acids (NAs) significantly decreased the adsorption of PAHs and had higher selectivity for type and structure. P. australis root cell growth and mitosis were significantly affected by NAs, which was accompanied by serious disturbances in mitochondrial function. The physiological evaluation showed the NAs could increase Reactive Oxygen Species (ROS) accumulation by around 16-fold and cause damage to the root cell normal redox equilibrium. The levels of three key related antioxidants, PLA, CAT and POD, decreased significantly to 35-50% under NAs stress and were dependent upon NAs concentration. Furthermore, NAs could significantly change the concentration and species of root exudates of P. ausralis. Autotoxic substances, including alcohol and amines, increased by 28.63% and 23.96, respectively. Sixteen compounds were identified and assumed as potential biomarkers. Galactonic, glyceric, and octadecanoic acid had the general effect of activating PAH in soil. The global view of the metabolic pathway suggests that NAs influenced the citric acid cycle, fatty acid synthesis, amino acid metabolism and the phenylpropanoid pathway. Detection data results indicated that the energy products cause hypoxia and oxidative stress, which are the main processes under the NAs. Furthermore, verification of these processes was fulfilled through gene expression and biomarkers quantification. Our results provide novel metabolic insights into the mechanisms of PAHs adsorption by P. australis under NAs disturbance, suggesting that monitoring NAs in phytoremediation applications is necessary.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:318 |
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| Enthalten in: |
Chemosphere - 318(2023) vom: 10. März, Seite 137909 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Jia, Hui [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Completed 13.02.2023 Date Revised 13.02.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.chemosphere.2023.137909 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2023 Elsevier Ltd. All rights reserved. | ||
| 520 | |a Toxic substances in the environment disturb the adsorption of pollutants in plants but little is known about the underlying mechanisms of these processes. This study evaluated the PAH adsorption by Phragmites australis under NAs stress. Results showed that Naphthenic acids (NAs) significantly decreased the adsorption of PAHs and had higher selectivity for type and structure. P. australis root cell growth and mitosis were significantly affected by NAs, which was accompanied by serious disturbances in mitochondrial function. The physiological evaluation showed the NAs could increase Reactive Oxygen Species (ROS) accumulation by around 16-fold and cause damage to the root cell normal redox equilibrium. The levels of three key related antioxidants, PLA, CAT and POD, decreased significantly to 35-50% under NAs stress and were dependent upon NAs concentration. Furthermore, NAs could significantly change the concentration and species of root exudates of P. ausralis. Autotoxic substances, including alcohol and amines, increased by 28.63% and 23.96, respectively. Sixteen compounds were identified and assumed as potential biomarkers. Galactonic, glyceric, and octadecanoic acid had the general effect of activating PAH in soil. The global view of the metabolic pathway suggests that NAs influenced the citric acid cycle, fatty acid synthesis, amino acid metabolism and the phenylpropanoid pathway. Detection data results indicated that the energy products cause hypoxia and oxidative stress, which are the main processes under the NAs. Furthermore, verification of these processes was fulfilled through gene expression and biomarkers quantification. Our results provide novel metabolic insights into the mechanisms of PAHs adsorption by P. australis under NAs disturbance, suggesting that monitoring NAs in phytoremediation applications is necessary | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Naphthenic acids | |
| 650 | 4 | |a Phragmites australis | |
| 650 | 4 | |a Plant physiology and metabolism | |
| 650 | 4 | |a Polycyclic aromatic hydrocarbons | |
| 650 | 4 | |a Soil | |
| 650 | 7 | |a naphthenic acid |2 NLM | |
| 650 | 7 | |a YNM5U6B7A4 |2 NLM | |
| 650 | 7 | |a Polycyclic Aromatic Hydrocarbons |2 NLM | |
| 700 | 1 | |a Zhang, Guang-Xi |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Yi-Fan |e verfasserin |4 aut | |
| 700 | 1 | |a Dai, Wei-Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Quan-Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Gan, Shu |e verfasserin |4 aut | |
| 700 | 1 | |a Ju, Xiu-Yun |e verfasserin |4 aut | |
| 700 | 1 | |a Feng, Zhao-Zhong |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Rong-Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Bo |e verfasserin |4 aut | |
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