Insights into the impact of different phytoremediation strategies on antibiotic resistance genes at the metagenomic level in real scenarios
文献类型： 外文期刊
作者： Zhang, Wei-Guo 1 ; Liang, Sizhou 2 ; Liao, Yonghui 1 ; Ran, Guangcan 3 ; Ji, Shenyang 4 ; Gao, Yan 2 ; Lei, Zhongfang 5 ;
作者机构： 1.Jinggangshan Univ, Sch Life Sci, Jian 343009, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, China Minist Agr Key Lab Yangtze River Plain Agr E, Nanjing 210014, Peoples R China
3.Nanjing Univ, Sch Life Sci, Nanjing 210093, Peoples R China
4.Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China
5.Univ Tsukuba, Sch Life & Environm Sci, Tsukuba, Ibaraki 3058577, Japan
关键词： Antibiotic resistance genes; Phytoremediation; Metagenome; Wastewater
期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：6.1； 五年影响因子：6.4 ）
ISSN： 0147-6513
年卷期： 2025 年 296 卷
页码：
收录情况： SCI
摘要： Engineered phytoremediation strategies provide cost effective options for eliminating antibiotics and antibiotic resistance genes (ARGs) from wastewater. However, there is a knowledge gap in understanding the impact of these phytoremediation strategies on the on the diversity and composition of ARGs as well as the key driving biotic and biological factors of ARGs at the metagenomic level in real scenarios. Through metagenomic sequencing, this study demonstrates that phytoremediation with Iris pseudacorus L., Myriophyllum verticillatum L., Eichhornia crassipes (Mart.) Solms and Oenanthe javanica (Bl. DC) significantly alters the pattern of antibiotic resistome. This study is the first to reveal, at the omics level, that phytoremediation enhances the diversity of ARGs (3.2 %similar to 11.6 % improvement), despite reducing their absolute abundances. Furthermore, this study highlights that plant varieties have a significant impact on the performance of phytoremediation in mitigating ARGs. The non-dominant bacterial taxa, specifically Verrucomicrobia, Planctomycetes, and Actinobacteria, play a crucial role in shaping the pattern of the antibiotic resistome during the wastewater treatment. The changes in the total organic carbon, total nitrogen and antibiotics robustly influence the environmental behaviors of antibiotic resistome and microbiome. In summary, this study gives insight into the impact of different phytoremediation strategies on mitigating ARGs at the omics level in real scenarios.
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