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Effect of preferential UV photolysis on the source control of antibiotic resistome during subsequent biological treatment systems
Ding, Yangcheng; Liang, Bin; Jiang, Wenli; Han, Jinglong; Guadie, Awoke; Yun, Hui; Cheng, Haoyi; Yang, Renjun; Liu, Shuang-Jiang; Wang, Aijie; Ren, Nanqi
2021-07-15
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume414Pages:-
AbstractThe environmental spread of antibiotic resistance genes (ARGs) from the direct application of traditional biological treatment systems for antibiotics in water is a potential public health threat. UV photolysis has been proved to be an efficient pretreatment method for antibacterial activity elimination, but the fate of antibiotic resistome in subsequent bioreactors fed with pretreated florfenicol (FLO) in synthetic wastewater is still unknown. Antibacterial activity in synthetic wastewater was effectively eliminated by UV irradiation pretreatment, and the diversity and abundance of detected ARGs in both aerobic and anaerobic bioreactors were significantly lower than those without pretreatment. Meanwhile, UV irradiation pretreatment shaped the structure and composition of sludge microbial communities in the subsequent bioreactors closer to those of the FLO-free groups. The relative abundances of Pseudomonas and Escherichia-Shigella working as the potential hosts of ARGs were significantly reduced in aerobic and anaerobic bioreactors, respectively. The significantly positive correlation between floR and intI1 and the decrease of intI1 abundance in UV photolytic pretreatment groups indicated that the horizontal transfer of floR was decreased. The study provides new insights into the effect of preferential UV photolysis as a pretreatment method on the source control of antibiotic resistome in subsequent biological treatment process.
Department中国科学院环境生物技术重点实验室
KeywordPreferential UV photolysis Antibiotic resistance genes Horizontal gene transfer Microbial community Biological treatment processes
WOS Research AreaEngineering, Environmental ; Environmental Sciences
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46106
Collection中国科学院环境生物技术重点实验室
Affiliation1.Harbin Inst Technol Shenzhen, Sch Civil & Environm Engn, Shenzhen 518055, Peoples R China
2.Zhejiang Gongshang Univ, Sch Environm Sci & Engn, Hangzhou 310012, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Environm Biotechnol, Beijing 100085, Peoples R China
4.Zhejiang Gongshang Univ, Sch Stat & Math, Hangzhou 310018, Peoples R China
5.Lanzhou Univ, Sch Life Sci, Minist Educ, Key Lab Cell Act & Stress Adaptat, Lanzhou 730000, Peoples R China
6.Chinese Acad Sci, State Key Lab Microbial Resources & Environm Micr, Inst Microbiol, Res
Recommended Citation
GB/T 7714
Ding, Yangcheng,Liang, Bin,Jiang, Wenli,et al. Effect of preferential UV photolysis on the source control of antibiotic resistome during subsequent biological treatment systems[J]. JOURNAL OF HAZARDOUS MATERIALS,2021,414:-.
APA Ding, Yangcheng.,Liang, Bin.,Jiang, Wenli.,Han, Jinglong.,Guadie, Awoke.,...&Ren, Nanqi.(2021).Effect of preferential UV photolysis on the source control of antibiotic resistome during subsequent biological treatment systems.JOURNAL OF HAZARDOUS MATERIALS,414,-.
MLA Ding, Yangcheng,et al."Effect of preferential UV photolysis on the source control of antibiotic resistome during subsequent biological treatment systems".JOURNAL OF HAZARDOUS MATERIALS 414(2021):-.
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