Changes in antibiotic resistance genes and mobile genetic elements during cattle manure composting after inoculation with Bacillus subtilis

被引：92
|
作者：
Duan, Manli [1 ]
Zhang, Yuhua [1 ]
Zhou, Beibei [1 ]
Wang, Quanjiu [1 ]
Gu, Jie [2 ]
Liu, Guohuan [1 ]
Qin, Zhenlun [1 ]
Li, Zhijian [1 ]
机构：
[1] Xian Univ Technol, State Key Lab Ecohydraul Engn Arid Area, Xian 710048, Shaanxi, Peoples R China
[2] Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2019年 / 292卷
基金：
美国国家科学基金会; 中国博士后科学基金;
关键词：
Antibiotic resistance gene; Bacillus subtilis; Bacterial community; Composting; intI1; WATER TREATMENT PLANTS; BACTERIAL COMMUNITIES; ANTIMICROBIAL RESISTANCE; EMERGING CONTAMINANTS; ANAEROBIC-DIGESTION; SWINE-MANURE; ABUNDANCE; SLUDGE; SOIL; ASSOCIATION;
D O I：
10.1016/j.biortech.2019.122011
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
This study explored the effects of Bacillus subtilis at four levels (0, 0.5%, 1%, and 2% w/w compost) on the variations in ARG5, mobile genetic elements (MGE5), and the bacterial community during composting. The composting process had a greater impact on ARG5 than Bacillus subtilis. The main ARG detected was sul1. The addition of Bacillus subtilis at 0.5% reduced the relative abundances of ARG5, MGE5, and human pathogenic bacteria (by 2-3 logs) in the mature products. Network and redundancy analyses suggested that intI1, Firmicutes, and pH were mainly responsible for the changes in ARG5, thus controlling these factors might help to inhibit the spread of ARGs.
引用
收藏
页数：9
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