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240928s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.109155
|2 doi
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|a pubmed24n1595.xml
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|a (DE-627)NLM378190318
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|a (NLM)39332328
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|a (PII)S0981-9428(24)00823-4
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|a DE-627
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|a eng
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|a Cao, Ke
|e verfasserin
|4 aut
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|a The combined toxicity of polystyrene microplastic and arsenate
|b From the view of biochemical process in wheat seedlings (Triticum aestivum L.)
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.11.2024
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|a Date Revised 07.11.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a Microplastics (MPs) are important carriers of various toxic metals and can alter their toxicity pattern in agricultural soil, leading to combined pollution, therefore posing new challenges to soil pollution management and environmental risk assessment. In this study, we observed the internalization of MPs in plants and conducted incubation experiments to evaluated the effects of arsenate (As(V)) alone and in combination with polystyrene (PS) MPs on wheat seedlings (Triticum aestivum L.). Under As(V) alone and combined with PS-MP exposure, dose-dependent toxicity in terms of root and stem elongation and biomass accumulation was observed. Compared with As(V) alone, the presence of PS-MPs reduced the accumulation of As in wheat roots by 11.43-58.91%, but PS-MPs intensified the transport of As to the aboveground parts of wheat, increasing As accumulation in wheat stems by 27.77-1011.54%. This causes more serious mechanical damage and oxidative stress to plant cells, increasing the accumulation of reactive oxygen species and lipid peroxidation in wheat roots and upregulating the activities of antioxidant enzymes such as superoxide dismutase (SOD) and peroxidase (POD). In addition, the co-exposure of As(V) and PS-MPs disrupts the photosynthetic system of wheat leaves and the secretion activities of roots. Therefore, the combination of As(V) and PS-MPs caused greater damage to wheat growth. Our findings contribute to a more comprehensive assessment of the combined toxicity of MPs and heavy metal to crops
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|a Journal Article
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|a Arsenate
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|a Combined toxicity
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|a Photosynthesis
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|a Polystyrene microplastics
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|a Root exudates
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|a Wheat seedling
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|a Arsenates
|2 NLM
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|a Polystyrenes
|2 NLM
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|a Microplastics
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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| 650 |
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|a Soil Pollutants
|2 NLM
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| 650 |
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|a Superoxide Dismutase
|2 NLM
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| 650 |
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|a EC 1.15.1.1
|2 NLM
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|a arsenic acid
|2 NLM
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| 650 |
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|a N7CIZ75ZPN
|2 NLM
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| 700 |
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|a Sun, Yuwei
|e verfasserin
|4 aut
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|a Su, Hailei
|e verfasserin
|4 aut
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|a Wang, Fanfan
|e verfasserin
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|a Ji, Ningning
|e verfasserin
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|a Mi, Yidong
|e verfasserin
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|a Cui, Wenjing
|e verfasserin
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|a Li, Xuemei
|e verfasserin
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|a Zhou, Jingyun
|e verfasserin
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|a Meng, Zirui
|e verfasserin
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|a Ye, Mai
|e verfasserin
|4 aut
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|a Lu, Huanliang
|e verfasserin
|4 aut
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|a Wei, Yuan
|e verfasserin
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|a Liu, Xuesong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 216(2024) vom: 15. Nov., Seite 109155
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:216
|g year:2024
|g day:15
|g month:11
|g pages:109155
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|u http://dx.doi.org/10.1016/j.plaphy.2024.109155
|3 Volltext
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