在堆肥设施的空气环境中的细菌和真菌相互作用
Yile Tao1, Lijun Xing2, Jian Li2
1Institute of Environmental Engineering (IfU), ETH Zürich, Zürich, CH-8093, Switzerland; Laboratory for Building Energy Materials and Components, Empa, Dübendorf, CH-8600, Switzerland.
Journal of environmental management
|January 15, 2026
概括
空气中的细菌和真菌的相互作用对生态系统和健康至关重要. 这项研究揭示了空气作为生物波器,大多数相互作用发生在王国内,而不是它们之间.
科学领域:
- 微生物学 微生物学
- 环境科学 环境科学
- 生态生态学 生态生态学
背景情况:
- 细菌-真菌相互作用 (BFI) 对生态系统过程和人类健康至关重要.
- 了解空中BFI的差距限制了对微生物生态功能和健康风险的知识.
研究的目的:
- 在堆肥设施中调查空气中的细菌-真菌相互作用.
- 确定驱动空气中的微生物群落的组装过程.
- 为了比较空气中的微生物与固体相中的微生物相互作用.
主要方法:
- 从五个堆肥设施收集了配对的空气和堆肥样本.
- 使用Illumina 16S/ITS测序来表征细菌和真菌群落.
- 分析了共同发生的网络,以确定王国间和王国内部的联系.
- 应用一个中立的社区模型来推断组装过程.
主要成果:
- 菌类和细菌丰富度之间存在显著的正相关性;细菌操作分类学单位 (OTUs) 数量超过了真菌OTUs.
- 堆肥对空气中的细菌群体的影响比真菌群体更大,主要是在近邻的空气环境中.
- 随机过程主要推动了空气中的细菌和真菌社区的聚集.
- 空气中的微生物共同发生主要是王国内部,而王国间的病原体共同发生在固体样本中很常见.
结论:
- 空气充当生物波器,影响细菌和真菌之间的相互作用.
- 具有生态意义的和潜在的致病相互作用集中在空气中的颗粒中.
- 堆肥设施的暴露评估应优先考虑气溶控制策略.
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