Characteristics of air-borne and feces-borne ARGs and microbial community in different livestock farms in China
文献类型： 外文期刊
作者： Keovilayphone, Khamsay 1 ; Cao, Ran 1 ; Wang, Can 1 ; Song, Lu 3 ; Gao, Min 4 ;
作者机构： 1.Tianjin Key Lab Indoor Air Environm Qual Control, Tianjin 300350, Peoples R China
2.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300350, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
4.Beijing Acad Agr & Forestry Sci, Beijing Key Lab Agr Genet Resources & Biotechnol, Beijing Agrobiotechnol Res Ctr, Beijing 100097, Peoples R China
关键词： Bioaerosol; Antibiotic resistance genes; Mobility; Microbial community; Livestock farm
期刊名称：JOURNAL OF AEROSOL SCIENCE （ 影响因子：2.9； 五年影响因子：3.4 ）
ISSN： 0021-8502
年卷期： 2024 年 182 卷
页码：
收录情况： SCI
摘要： Livestock farms are hotspots of antibiotic resistance due to the intensive use of antibiotics, in which the characteristics of air-borne and feces-borne antibiotic resistance genes (ARGs) and microbial communities are of great significance. This study delves into the distribution of ARGs and microbial communities across various livestock farms in China, and the correlation of microorganisms between livestock farms and other global environments was investigated. The concentrations of ARGs and mobile genetic elements (MGEs) in air samples were basically at the same level, but those in fecal samples collected from chicken farms were universally higher than those in pig and cattle farms. There was significant ability of ARGs to spread easily among different bacteria in all samples in livestock farms. Additionally, there may be more possible host bacteria of airborne ARGs in chicken farms. In the global-scale analysis of highly similar microbial communities, the database matching with the highest number of similarities to microbial communities collected from livestock farms is genes related to human sources (54.8%). This study advances our understanding of ARG dynamics in different livestock farms and contributes to the development of sustainable livestock management practices.
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