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Positive relationship detected between soil bioaccessible organic pollutants and antibiotic resistance genes at dairy farms in Nanjing, Eastern China

文献类型： 外文期刊

作者： Sun, Mingming 1 ; Ye, Mao 3 ; Wu, Jun 1 ; Feng, Yanfang; Wan, Jinzhong; Tian, Da 1 ; Shen, Fangyuan 1 ; Liu, Kuan 1 ;

作者机构： 1.Nanjing Agr Univ, Coll Resources & Environm Sci, Soil Ecol Lab, Nanjing 210095, Jiangsu, Peoples R China

2.Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Jiangsu, Peoples R China

3.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China

4.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil &

关键词： Antibiotic resistance genes;Bioaccessible pollutants;Class 1 integron;Correlation

期刊名称：ENVIRONMENTAL POLLUTION （ 影响因子：8.071； 五年影响因子：8.35 ）

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收录情况： SCI

摘要： Co-contaminated soils by organic pollutants (Ups), antibiotics and antibiotic resistance genes (ARGs) have been becoming an emerging problem. However, it is unclear if an interaction exists between mixed pollutants and ARG abundance. Therefore, the potential relationship between OP contents and ARG and class 1 integron-integrase gene (intI1) abundance was investigated from seven dairy farms in Nanjing, Eastern China. Phenanthrene, pentachlorophenol, sulfadiazine, roxithromycin, associated ARG genes, and indI1 had the highest detection frequencies. Correlation analysis suggested a stronger positive relationship between the ARG abundance and the bioaccessible OP content than the total OP content. Additionally, the significant correlation between the bioaccessible mixed pollutant contents and ARG/intI1 abundance suggested a direct/indirect impact of the bioaccessible mixed pollutants on soil ARG dissemination. This study provided a preliminary understanding of the interaction between mixed pollutants and ARGs in co-contaminated soils. (C) 2015 Elsevier Ltd. All rights reserved.

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