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Antibiotic resistome mostly relates to bacterial taxonomy along a suburban transmission chain
Frontiers of Environmental Science & Engineering ( IF 6.1 ) Pub Date : 2021-06-25 , DOI: 10.1007/s11783-021-1466-7
Ziyan Qin , Qun Gao , Qiang Dong , Joy D. Van Nostrand , Qi Qi , Yifan Su , Suo Liu , Tianjiao Dai , Jingmin Cheng , Jizhong Zhou , Yunfeng Yang

Antibiotic resistance genes comprising antibiotic resistome are of great concern due to their increase in the environment. Recent evidence of shared resistomes between soils and animal husbandry has imposed potential risks to human health. However, the correlation between a given community’s resistome and bacterial taxonomic composition is controversial. Here, a transmission chain of resistomes from swine manure to compost and compost-amended soil were analyzed in five suburban areas of Beijing, China, with unamended agricultural soils as control soils. Antibiotic resistomes and bacterial taxonomic compositions were distinct between (I) manure and compost; and (II) compost-amended and control soils. In manure, compost, and compost-amended soils, the β-diversity of the resistome and bacterial taxonomic composition was significantly correlated, while no correlation was detected in control soils. Bacterial taxonomic composition explained 36.0% of total variations of the resistome composition, much higher than environmental factors. Together, those results demonstrated that antibiotic resistome was closely related to bacterial taxonomic composition along the suburban transmission chain.

更新日期:2021-06-30
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