Distribution characteristics of antibiotic resistance genes in the domestic water of residents in Haimenï¼ Jiangsu Province
Journal Title: Shanghai Journal of Preventive Medicine - Year 2023, Vol 35, Issue 12
Abstract
ObjectiveAntibiotic resistance genes ï¼ARGsï¼ have received wide attention all over the world. The purpose of this study was to explore the bacterial community structureï¼ the types and levels of antibiotic resistance genes in a water body in east Chinaï¼ and to compare and analyze the characteristics of microbial species distribution and antibiotic resistance gene distribution in various water environments.MethodsA total of 10 households in Haimen Cityï¼ Jiangsu Province were selected and their surrounding water environment samples were collected. 21 water samples including river water ï¼4ï¼ï¼ Mingou water ï¼9ï¼ and well water ï¼8ï¼ were collected for metagenomics sequencingï¼ assembled with MetaWRAPï¼ annotated with CARD databaseï¼ and analyzed with R software.ResultsIn various water bodiesï¼ the dominant bacteria phyla was Proteobacteriaï¼ the dominant bacteria genera were Deuterostomiaï¼ Pseudomonasï¼ Flavobacteriales and Streptomycetaceae. The ARGs annotated were mainly composed of quinolonesï¼ aminoglycosidesï¼ macrolides and beta-lactams antibiotic resistance genes. The top four relative abundance of resistance genes were macBï¼ RanAï¼ evgS and TxRï¼ The average absolute abundance and expression of resistance genes in well water and Mingou water were higher than those in river water.ConclusionMultiple ARGs are detected to varying degrees in well waterï¼ river waterï¼ and Mingou water bodiesï¼ and the expression of resistance genes in well water and Mingou water bodies is higher than that in river water bodiesï¼ possibly due to human production and living activities.
Authors and Affiliations
MAO Chuanwu,ZHANG Li,ZANG Jinxin,JIANG Lufang,XIONG Chenglong,WANG Na,JIANG Feng,FU Chaowei,HU Jingjing,JIANG Qingwu,
Keywords
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