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Microbial community evolution and fate of antibiotic resistance genes during sludge treatment in two full-scale anaerobic digestion plants with thermal hydrolysis pretreatment
Tong, Juan; Fang, Ping; Zhang, Junya; Wei, Yuansong; Su, Yanyan; Zhang, Yifeng
2019-09-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume288Pages:-
AbstractAnaerobic digestion (AD) with thermal hydrolysis pretreatment is widely used as an efficient sludge treatment nowadays. However, the evolution of microbial community (especially for the archaea community), the fate of antibiotic resistance genes (ARGs), and their associations during such process in full-scale sludge treatment plants are rarely reported. Therefore, these scientific questions were explored at two full-scale sludge treatment plants through high-throughput sequencing and quantitative PCR. Results showed that Methanobacterium and Methanosphaera were the dominant archaea in thermal hydrolyzed sludge. The predominant bacteria in the sludge first shifted from nutrients removal functional bacteria to spore-forming bacteria after thermal hydrolysis, and then shifted to fermentative bacteria after AD. The full-scale plants could select ermB, ermF, mefA/E, qnrS and tetM. Though the bacteria and archaea biomass and community largely influenced the fate of ARGs, multiple linear regression analysis showed that the total ARGs were mainly affected by mobile genetic elements (MGEs).
Department水污染控制实验室
KeywordSludge thermal hydrolysis Anaerobic digestion Microbial community Antibiotic resistance genes Multiple linear regression analysis
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/43264
Collection水污染控制实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100085, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Dept Water Pollut Control, Beijing 100085, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tong, Juan,Fang, Ping,Zhang, Junya,et al. Microbial community evolution and fate of antibiotic resistance genes during sludge treatment in two full-scale anaerobic digestion plants with thermal hydrolysis pretreatment[J]. BIORESOURCE TECHNOLOGY,2019,288:-.
APA Tong, Juan,Fang, Ping,Zhang, Junya,Wei, Yuansong,Su, Yanyan,&Zhang, Yifeng.(2019).Microbial community evolution and fate of antibiotic resistance genes during sludge treatment in two full-scale anaerobic digestion plants with thermal hydrolysis pretreatment.BIORESOURCE TECHNOLOGY,288,-.
MLA Tong, Juan,et al."Microbial community evolution and fate of antibiotic resistance genes during sludge treatment in two full-scale anaerobic digestion plants with thermal hydrolysis pretreatment".BIORESOURCE TECHNOLOGY 288(2019):-.
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