Pollution characteristics of antibiotics resistance associated with bioaerosols from a wastewater treatment plant
YANG Tang1, HUI Xiao-liang1, WANG Zhen-xing2, HE Yu-xin1, ZHOU Xiao-lin1
1. School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266520, China; 2. The development construction co. ltd. of China construction eighth engineering division, Qingdao 266061, China
Abstract：In order to explore the pollution characteristics of antibiotic resistance genes (ARGs) associated with bioaerosols from a wastewater treatment plant in Jinan, bioaerosol within and around this plant, and wastewater or sludge, were analyzed using shotgun metagenome sequencing. Compared to bioaerosols from upwind, that from this plant and downwind were characterized with more subtype number and higher total abundance of ARGs. Significant difference (47.57%) for the compositions of ARGs in bioaerosols, was found between upwind and this plant. The dissimilarity of ARGs in bioaerosols was not significant between downwind and this plant, and the difference decreased to 33.98%. Ambient air and wastewater/sludge were both the important source for ARGs in bioaerosols from this plant, with the total source contribution higher than 63.92%. A total of 43subtypes (8types) of ARGs were easily aerosolized in bioaerosols from at least one of the treatment units. These results could provide the theoretical basis for the risk assessment and control of antibiotic resistant contamination in wastewater treatment plants.
杨唐, 惠晓亮, 王振兴, 何煜鑫, 周小琳. 污水处理厂生物气溶胶抗生素抗性污染特征[J]. 中国环境科学, 2022, 42(12): 5626-5632.
YANG Tang, HUI Xiao-liang, WANG Zhen-xing, HE Yu-xin, ZHOU Xiao-lin. Pollution characteristics of antibiotics resistance associated with bioaerosols from a wastewater treatment plant. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(12): 5626-5632.
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