Multiomics analysis of the effects of manure-borne doxycycline combined with oversized fiber microplastics on pak choi growth and the risk of antibiotic resistance gene transmission

文献类型： 外文期刊

第一作者： Li, Hai -Yang

作者： Li, Hai -Yang;Xing, Si-Cheng;Chen, Jing-Yuan;Niu, Shi-Hua;Liao, Xin-Di;Liao, Xin-Di;Xing, Si-Cheng;Liao, Xin-Di;Xing, Si-Cheng;Liao, Xin-Di;Xing, Si-Cheng

作者机构：

关键词： Microplastics; Doxycycline; Pak choi; transcriptomics; Metabolomics

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：12.2； 五年影响因子：11.9 ）

ISSN： 0304-3894

年卷期： 2024 年 475 卷

页码：

收录情况： SCI

摘要： In this study, oversized microplastics (OMPs) were intentionally introduced into soil containing manure -borne doxycycline (DOX). This strategic approach was used to systematically examine the effects of combined OMP and DOX pollution on the growth of pak choi, analyze alterations in soil environmental metabolites, and explore the potential migration of antibiotic resistance genes (ARGs). The results revealed a more pronounced impact of DOX than of OMPs. Slender -fiber OMPs (SF OMPs) had a more substantial influence on the growth of pak choi than did coarse -fiber OMPs (CF OMPs). Conversely, CF OMPs had a more significant effect on the migration of ARGs within the system. When DOX was combined with OMPs, the negative effects of DOX on pak choi growth were mitigated through the synthesis of indole through the adjustment of carbon metabolism and amino acid metabolism in pak choi roots. In this process, Pseudohongiellaceae and Xanthomonadaceae were key bacteria. During the migration of ARGs, the potential host bacterium Limnobacter should be considered. Additionally, the majority of potential host bacteria in the pak choi endophytic environment were associated with tet G. This study provides insights into the intricate interplay among DOX, OMPs, ARGs, plant growth, soil metabolism, and the microbiome.

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