Does organically produced lettuce harbor higher abundance of antibiotic resistance genes than conventionally produced?

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 土壤环境科学实验室

	Does organically produced lettuce harbor higher abundance of antibiotic resistance genes than conventionally produced?
	Chen, Songcan; Chen, Qinglin; Zhu, Yong-Guan; Zhu, Bokai
刊名	ENVIRONMENT INTERNATIONAL
	2017
卷号	98 期号:0 页码:152-159
关键词	Antibiotic Resistance Genes Phyllosphere Vegetables Network Analysis
英文摘要	The demand for organic food products, especially for organic vegetables has been growing rapidly in the last few decades. However, the risk of introducing more antibiotic resistant genes (ARGs) and antibiotic resistant bacteria (ARB) to the vegetables by organic production procedures has long been overlooked. In our study, by using high-throughput quantitative PCR and 16sRNA Illumina sequencing technology, we investigated the abundance and diversity of ARGs and the microbial communities in conventionally (CPL) and organically produced lettuce (OPL). A total of 134 ARGs were detected in the phyllosphere and leaf endophyte of the samples. Absolute copy numbers of ARGs in phyllosphere were 8-fold higher in the OPL than in CPL. We also observed a significant difference in the microbial communities between OPL and CPL, and a lower diversity of both phyllosphere and leaf endophytic bacteria in OPL than in CPL. The Mantel test and variation partitioning analysis (VPA) suggested that the profile of ARGs is strongly affected by bacterial community compositions. Network analysis between ARGs and bacterial taxa indicated that eight bacterial families were implicated to be the potential hosts of ARGs. These results provide insights into the impacts of organic farming on the profiles of bacterial and ARG compositions in vegetables. (C) 2016 Elsevier Ltd. All rights reserved.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/39585]
专题	生态环境研究中心_土壤环境科学实验室
推荐引用方式 GB/T 7714	Chen, Songcan,Chen, Qinglin,Zhu, Yong-Guan,et al. Does organically produced lettuce harbor higher abundance of antibiotic resistance genes than conventionally produced?[J]. ENVIRONMENT INTERNATIONAL,2017,98(0):152-159.
APA	Chen, Songcan,Chen, Qinglin,Zhu, Yong-Guan,&Zhu, Bokai.(2017).Does organically produced lettuce harbor higher abundance of antibiotic resistance genes than conventionally produced?.ENVIRONMENT INTERNATIONAL,98(0),152-159.
MLA	Chen, Songcan,et al."Does organically produced lettuce harbor higher abundance of antibiotic resistance genes than conventionally produced?".ENVIRONMENT INTERNATIONAL 98.0(2017):152-159.