Nanotoxicological effects and transcriptome mechanisms of wheat (Triticum aestivum L.) under stress of polystyrene nanoplastics

Lian Jiapan; Liu Weitao; Sun YuebingMen ShuzhenWu JianiZeb AurangYang TianzhiMa Lena QiyingZhou Qixing

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Nanotoxicological effects and transcriptome mechanisms of wheat (Triticum aestivum L.) under stress of polystyrene nanoplastics

机译：Nanotoxicological effects and transcriptome mechanisms of wheat (Triticum aestivum L.) under stress of polystyrene nanoplastics

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At present, the uptake and accumulation of nanoplastics by plants have raised particular concerns. However, molecular mechanisms underlying nanoplastic phytotoxicity are still vague and insufficient. To address this scientific gap, we analyzed the transcriptome response of hydroponically grown wheat (Triticum aestivum L.) to polystyrene nanoplastics (PSNPs) (100 nm) by integrating the differentially expressed gene analysis (DEGA) and the weighted gene correlation network analysis (WGCNA). PSNPs could significantly shape the gene expression patterns of wheat in a tissue-specific manner. Four candidate modules and corresponding hub genes associated with plant traits were identified using WGCNA. PSNPs significantly altered carbon metabolism, amino acid biosynthesis, mitogen-activated protein kinase (MAPK) signaling pathway-plant, plant hormone signal transduction, and plant-pathogen interaction Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. In addition, some Gene Ontology (GO) terms associated with the metal ion transport were further screened. These findings shed new light on the phytotoxic mechanism and environmental implication behind the interaction of nanoplastics and crop plants, and advance our understanding of the potential adverse effect induced by the presence of nanoplastics in agricultural systems.

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来源
《Journal of hazardous materials》 |2022年第5期|127241.1-127241.9|共9页
作者
Lian Jiapan; Liu Weitao; Sun YuebingMen ShuzhenWu JianiZeb AurangYang TianzhiMa Lena QiyingZhou Qixing;
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作者单位

Minist Agr & Rural Affairs, Key Lab Original Environm Pollut Prevent & Contro, Tianjin 300191, Peoples R China;

Nankai Univ, Coll Life Sci, Dept Plant Biol & Ecol, Tianjin 300071, Peoples R China;

Nankai Univ, Coll Environm Sci & Engn, Minist Educ, Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R ChinaZhejiang Univ, Coll Environm Sci & Resources, Minist Educ, Key Lab Environm Remediat & Ecosyst Hlth, Hangzhou 310058, Peoples R ChinaNankai Univ, Coll Environm Sci & Engn, Minist Educ, Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China|Zhejiang Univ, Coll Environm Sci & Resources, Minist Educ, Key Lab Environm Remediat & Ecosyst Hlth, Hangzhou 310058, Peoples R Ch;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类
关键词
Nanoplastic; Molecular mechanism; Phytotoxicity; Transcriptomics; Interaction;

Nanotoxicological effects and transcriptome mechanisms of wheat (Triticum aestivum L.) under stress of polystyrene nanoplastics

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