携带MGEs的真菌和细菌宿主之间的相互作用在便中性堆肥过程中对ARG命运占主导地位
Yan Yang1, Wenjie Chen1, Jie Yin1
1Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China.
Waste management (New York, N.Y.)
|January 7, 2025
概括
堆肥中的真菌通过促进细菌相互作用,显著降低了抗生素耐药性基因 (ARG). 核心真菌通过增强的细菌网络促进ARG的水平转移,影响便处理.
科学领域:
- 环境微生物学环境微生物学
- 堆肥科学是一种科学.
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 菌的细胞网络可以增强细菌相互作用,营养交换和水平基因转移.
- 菌类在介质性学科化堆肥过程中驱动抗生素耐药性基因 (ARG) 的作用尚不清楚.
研究的目的:
- 为了研究在肥堆肥过程中ARG的变化.
- 阐明ARG动态中的潜在机制,特别是真菌的作用.
主要方法:
- 绵羊和猪的中性肥料堆肥超过90天.
- 对ARG的量化和对反抗基因的鉴定.
- 分析真菌群落及其与携带ARG和移动遗传元素 (MGE) 的细菌宿主之间的相互作用.
- 结构方程建模以确定堆肥特性,真菌和MGE载体宿主对ARG的影响.
主要成果:
- 在羊中观察到34.68%的ARG降低率,在猪中观察到60.10%的ARG降低率.
- sul1,sul2,tetX被确定为反抗性ARG;addA是羊的独特特征.
- 真菌群体显著影响了细菌的合作和与携带ARG和MGE的宿主之间的相互作用.
- 堆肥特性通过影响核心真菌和MGE携带宿主影响ARG;核心真菌也通过MGE携带细菌宿主影响ARG.
结论:
- 核心真菌在堆肥过程中对ARG的动态起着至关重要的作用.
- 菌可以通过增强细菌网络相互作用来促进ARG的水平转移.
- 了解这些真菌-细菌相互作用是管理堆肥系统中ARG的关键.
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