perfluorohexanesulfonic acid (PFHxS) 通过改变土壤中罕见的微生物群落来影响微生物相互作用和功能
Yunhong Pu1, Qing Yang1, Qianzhi Zeng1
1School of Life Sciences, Liaoning Normal University, Key Laboratory of Plant Biotechnology of Liaoning Province, Dalian 116081, China.
Journal of hazardous materials
|September 19, 2025
概括
perfluorohexanesulfonic 酸 (PFHxS) 改变了土壤微生物群落,并增强了循环. 罕见的微生物调解这些变化,影响微生物的防御和修复系统.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 环境化学环境化学
背景情况:
- perfluorohexanesulfonic acid (PFHxS) 是一种在土壤中发现的持久性环境污染物.
- PFHxS对土壤微生物群落和循环的影响尚不清楚.
研究的目的:
- 研究PFHxS对土壤微生物相互作用,循环和微生物防御/修复机制的影响.
- 阐明罕见微生物在调解这些反应中的作用.
主要方法:
- 微观世界实验暴露土壤PFHxS (10和100μg/kg).
- 细菌,真菌和原生体社区的分析.
- 评估循环过程和抗氧化剂防御机制.
- 部分最小平方路径建模 (PLS-PM) 来分析关系.
主要成果:
- PFHxS显著改变了罕见的细菌和真菌群体,并直接影响了原生体群体.
- PFHxS增强了循环,特别是丰富了nirK类型的脱剂.
- 罕见的微生物对于调解脱化物之间的相互作用至关重要.
- PFHxS激活了抗氧化剂防御机制,在较高度下具有更强的效果.
- PLS-PM证实,微生物相互作用的改变显著影响了循环和抗氧化系统.
结论:
- 暴露于PFHxS显著改变了土壤微生物群落的结构和功能.
- 微生物相互作用,特别是那些涉及稀有种类的相互作用,是PFHxS对循环和抗氧化系统影响的关键媒介.
- 了解这些复杂的相互作用对于评估PFHxS的环境风险至关重要.
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