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Polyvinyl chloride promoted the dissemination of antibiotic resistance genes in Chinese soil: A metagenomic viewpoint

Research Square (Research Square) 2024 Score: 35 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Shuwen Zhao, Shuwen Zhao, Shuwen Zhao, Shuwen Zhao, Shuwen Zhao, Shuwen Zhao, Shuwen Zhao, Qianru Zhang Qianru Zhang Qianru Zhang Qianru Zhang Qianru Zhang Qianru Zhang Qianru Zhang Qianru Zhang Chuchen Zhang, Chuchen Zhang, Qilan Huang, Qilan Huang, Chuchen Zhang, Qilan Huang, Qianru Zhang Qianru Zhang Chuchen Zhang, Chuchen Zhang, Chuchen Zhang, Chuchen Zhang, Chuchen Zhang, Qilan Huang, Qilan Huang, Qilan Huang, Qilan Huang, Chuchen Zhang, Chuchen Zhang, Qianru Zhang

Summary

Researchers conducted a nationwide metagenomic study across 20 provinces in China, adding polyvinyl chloride (PVC) microplastics to soils with varying physical and chemical properties and evaluating impacts on bacterial community structure and antibiotic resistance gene (ARG) abundance. Structural equation modelling revealed that PVC microplastics significantly altered soil microbiomes and promoted ARG dissemination, highlighting plastic pollution as a driver of antimicrobial resistance spread in agricultural soils.

Polymers

PVC

Abstract Microplastics (MPs) are becoming progressively widespread in the surrounding and are regarded as vectors of antibiotic resistance genes (ARGs). Soils of various properties carry large amounts of microplastics and ARGs. However, a thorough research evaluating the impact of different regions of China in evolving antibiotic resistome in soil MPs is insufficient. Here, we engaged a massive investigation by putting Polyvinyl chloride microplastics (PVC) into soil in 20 provinces of China which have different physical and chemical properties. The results showed that PVC could significantly affect soil bacterial community structure and ARGs abundance. Structural equation models showed that the addition of PVC changed the characteristics of the soil, which in turn influenced the bacterial community in the soil (which included ARG-containing bacterial hosts) and, ultimately, the relative abundance of ARGs. This work improves our comprehension of the effects of microplastics on the proliferation and hosts of ARGs in various soil environments, and it serves as a crucial reference for future plastic consumption and disposal.

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