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

Journal of Hazardous Materials 2021 148 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 60 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Jiapan Lian, Jiapan Lian, Jiapan Lian, Qixing Zhou, Jiani Wu, Jiapan Lian, Jiapan Lian, Jiani Wu, Aurang Zeb, Aurang Zeb, Aurang Zeb, Aurang Zeb, Aurang Zeb, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Aurang Zeb, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Jiani Wu, Jiani Wu, Jiani Wu, Jiani Wu, Jiani Wu, Qixing Zhou, Qixing Zhou, Qixing Zhou, Jiapan Lian, Aurang Zeb, Weitao Liu, Aurang Zeb, Weitao Liu, Weitao Liu, Weitao Liu, Aurang Zeb, Aurang Zeb, Aurang Zeb, Weitao Liu, Aurang Zeb, Yuebing Sun Weitao Liu, Aurang Zeb, Weitao Liu, Weitao Liu, Qixing Zhou, Jiani Wu, Aurang Zeb, Aurang Zeb, Aurang Zeb, Aurang Zeb, Aurang Zeb, Aurang Zeb, Aurang Zeb, Aurang Zeb, Aurang Zeb, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Yuebing Sun Yuebing Sun Jiapan Lian, Jiapan Lian, Jiapan Lian, Qixing Zhou, Q. Lena, Shuzhen Men, Shuzhen Men, Jiani Wu, Jiani Wu, Jiani Wu, Aurang Zeb, Weitao Liu, Jiapan Lian, Tianzhi Yang, Jiapan Lian, Aurang Zeb, Aurang Zeb, Aurang Zeb, Yuebing Sun Shuzhen Men, Aurang Zeb, Q. Lena, Jiapan Lian, Jiani Wu, Yuebing Sun Jiani Wu, Aurang Zeb, Jiapan Lian, Aurang Zeb, Yuebing Sun Q. Lena, Aurang Zeb, Yuebing Sun Aurang Zeb, Weitao Liu, Yuebing Sun Jiapan Lian, Jiapan Lian, Tianzhi Yang, Aurang Zeb, Aurang Zeb, Q. Lena, Weitao Liu, Yuebing Sun Q. Lena, Weitao Liu, Weitao Liu, Weitao Liu, Weitao Liu, Yuebing Sun Yuebing Sun Tianzhi Yang, Q. Lena, Weitao Liu, Qixing Zhou, Yuebing Sun Jiapan Lian, Weitao Liu, Q. Lena, Yuebing Sun Qixing Zhou, Weitao Liu, Weitao Liu, Yuebing Sun Yuebing Sun

Summary

Researchers studied how polystyrene nanoplastics affect wheat plants at the molecular level using gene expression analysis. They found that nanoplastic exposure disrupted genes involved in photosynthesis, hormone signaling, and stress responses, ultimately reducing plant growth. The study provides new insights into how nanoplastic contamination in agricultural soils could harm crop development at a fundamental biological level.

Polymers

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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