Distribution characteristics of antibiotic resistance genes and microbial communities in industrial wastewater treatment plants and correlation analysis of both
Industrial wastewater treatment plants(IWWTPs)present great potential inducing the formation,proliferation and spread of antibiotic resistance genes(ARGs)due to the stimulation of high content and complicated pollutants on bacteria.Understanding the distribution of ARGs along the treatment train is of high importance for controlling their spreading.In the present work,wastewater samples were collected from treatment units along a typical IWWTP including,anoxic-oxic(A/O),ozone oxidation and chlorine disinfection units.Corresponding ARGs and microbial community structure were analyzed,considering seasonal(temperature)variation.The results show that the evolution of host bacteria and ARGs are highly related,that is,the host bacteria are the decisive factor inducing the changes of ARGs.
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