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甲基因组分析破译了在堆肥设施中增强抗微生物耐药性和毒性因子的空气传播病原体

Mo Chen¹, Lijun Xing¹, Shanshan Gao²

¹Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, PR China.

Environment international

|June 5, 2025

概括

堆肥设施的空气传播抗微生物耐药性 (AMR) 比以前认为的要高. 空气中的人类病原性抗生素耐药细菌 (HPARB) 携带更多的耐药基因,造成未知的健康风险.

科学领域:

环境微生物学环境微生物学
公共卫生公共卫生
抗微生物耐药性抗微生物耐药性

背景情况:

堆肥可以降低肥料中的抗菌素耐药性 (AMR),但其对空气中的AMR的影响尚不清楚.
人类致病性抗生素耐药细菌 (HPARB) 是一个日益严重的公共卫生问题.

研究的目的:

在堆肥设施中调查空中AMR和HPARB.
为了比较空气和堆肥相关的AMR概况.

主要方法:

从一个大型堆肥设施中采集的空气和堆肥样本的元基因组学分析.
对抗生素耐药性,微生物组和HPARB的系统分析.

主要成果:

空气中的HPARB比堆肥中更丰富和多样化.
空气中的病原体具有较多的抗生素耐药性基因 (ARG) 和毒性因子基因 (VFG).
结核菌菌在空气中普遍存在,携带的ARG和VFG比堆肥中更多.

结论:

堆肥设施可以增强空气中的HPARB,呈现未知的AMR风险.
在堆肥场所的空气中的AMR比在城市或医院环境中构成更高的风险.
调查结果为评估职业健康风险提供了基础.

关键词:

空气中的抗微生物耐药性堆肥设施的堆肥设施.丰富方式丰富方式人类致病性抗生素耐药细菌代基因组组装的基因组是元基因组组装的基因组.

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