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Collembolans accelerate the dispersal of antibiotic resistance genes in the soil ecosystem

Soil Ecology Letters 2019年第1期1卷 14-21页

作者： Dong Zhu Hong-Tao Wang Fei Zheng Xiao-Ru Yang Peter Christie Yong-Guan Zhu Key Laboratory of Urban Environment and Health Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China University of Chinese Academy of Sciences 19A Yuquan RoadBeijing 100049China Agri-Environment Branch Agri-Food and Biosciences InstituteBelfast BT95PXUnited Kingdom State Key Laboratory of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China

Soils have become an important sink for antibiotic resistance genes(ARGs).To better understand the impacts of ARGs on the soil ecosystem,the transport of ARGs is a basic *** far,however,the role of soil animals in the dispersal of ARGs is not ***,two treatments(without collembolans and with collembolans)were established,each treatment included unamended and manure-amended soil,and soil samples were collected at 14,28 and 56 days after *** effects of the collembolan Folsomia candida on dispersal of ARGs in the soil ecosystem were explored using high-throughput qPCR combined with Illumina *** the culture time increased,more shared ARGs and OTUs were detected between the unamended and manured soil,especially in the treatment with ***,aminoglycoside and MLSB genes may have been more readily transported by the *** the 28th day after incubation,a high abundance of mobile genetic elements(MGEs)was found in the treatment with *** results clearly reveal that collembolans can accelerate the dispersal of ARGs in the soil *** analysis and the Mantel test both indicate that soil bacterial communities were significantly correlated with ARG ***,partial redundancy analysis indicates that soil bacterial communities can explain 41.28% of the variation in *** results suggest that the change of soil microbial community have an important contribution to the dispersal of ARGs by the collembolan.

关键词： Soil fauna High-throughput qPCR Microbial community Mobile genetic elements lllumina sequencing

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