Antibiotics and Pesticides Enhancing the Transfer of Resistomes among Soil-Bayberry-Fruit Fly Food Chain in the Orchard Ecosystem

文献类型： 外文期刊

第一作者： Yi, Ge

作者： Yi, Ge;Gou, Xian-Wei;Yang, Nan;Feng, Yi-Lu;Li, Hongjie;Yi, Ge;Gou, Xian-Wei;Yang, Nan;Jin, Ming-Kang;Zhu, Yong-Guan;Zhu, Dong;Jin, Ming-Kang;Zhu, Yong-Guan;Jin, Ming-Kang;Zhu, Yong-Guan;Zhu, Dong;Cai, Tian-Gui;Xu, Rong;Feng, Yi-Lu;Zhang, Shu-Wen;Qi, Xing-Jiang;Zhu, Yong-Guan;Li, Hongjie

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关键词： antibiotic resistance genes; virulence factor genes; orchard food chain; gut microbiome; pathogenicity

期刊名称：ENVIRONMENTAL SCIENCE & TECHNOLOGY （ 影响因子：11.3； 五年影响因子：12.4 ）

ISSN： 0013-936X

年卷期： 2024 年 58 卷 41 期

页码：

收录情况： SCI

摘要： While substantial amounts of antibiotics and pesticides are applied to maintain orchard yields, their influence on the dissemination and risk of antibiotic resisitome in the orchard food chain remains poorly understood. In this study, we characterized the bacterial and fungal communities and differentiated both antibiotic resistance genes (ARGs) and virulence factor genes (VFGs) in the soil, Chinese bayberry (matured and fallen), and fruit fly gut, collected from five geographic locations. Our results showed that fruit fly guts and soils exhibit a higher abundance of ARGs and VFGs compared with bayberry fruits. We identified 112 shared ARGs and 75 shared VFGs, with aminoglycoside and adherence factor genes being among the most abundant. The co-occurrence network revealed some shared microbes, such as Bacillus and Candida, as potential hosts of ARGs, highlighting the vector risks for both above- and below-ground parts of the orchard food chain. Notably, the elevated levels of antibiotics and pesticide residues in orchard soils increase ARGs, mobile genetic elements (MGEs), and VFGs in the soil-bayberry-fruit fly food chain. Our study highlighted that agricultural management, including the overuse of antibiotics and pesticides, could be the key factor in accumulating resistomes in the orchard food chain.

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