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Assessment of residual chlorine in soil microbial community using metagenomics

Soil Ecology Letters 2023年第1期5卷 66-78页

作者： Yitian Yu Qi Zhang Zhenyan Zhang Nuohan Xu Yan Li Mingkang Jin Guoqiang Feng Haifeng Qian Tao Lu College of Environment Zhejiang University of TechnologyHangzhou 310014China Key Laboratory of Urban Environment and Health Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China University of Chinese Academy of Sciences Beijing 100049China School of Economics Lanzhou UniversityLanzhou 730000China

chlorine-containing disinfectants have been widely used around the world for the prevention and control of the COVID-19 ***,at present,little is known about the impact of residual chlorine on the soil micro-ecological ***,we treated an experimental soil-plant-microbiome microcosm system by continuous irrigation with a low concentration of chlorine-containing water,and then analyzed the influence on the soil microbial community using *** 14-d continuous chlorine treatment,there were no significant lasting effect on soil microbial community diversity and composition either in the rhizosphere or in bulk *** metabolic functions of the rhizosphere microbial community were affected slightly by continuous chlorine treatment,it recovered to the original *** abundance of several resistance genes changed by 7 d and recovered by 14 *** to our results,the chlorine residue resulting from daily disinfection may present a slight long-term effect on plant growth(shoot length and fresh weight)and soil *** general,our study assisted with environmental risk assessments relating to the application of chlorine-containing disinfectants and minimization of risks to the environment during disease control,such as COVID-19.

关键词： Soil microbes chlorine-containing disinfectants Plant microbiome Metagenome Sodium hypochlorite

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