异环化合物的不同影响土壤微生物群的多样性和功能
Wenying Ding1, Bingfeng Chen1, Minglong Song1
1College of Environment, Zhejiang University of Technology, Hangzhou 310032, PR China.
Journal of hazardous materials
|November 1, 2025
概括
土壤微生物受到诸如塞法皮林,甲基和昆克洛拉克等异环化合物的影响. 它们的影响因化合物和暴露时间而异,影响微生物功能和生态系统健康.
科学领域:
- 环境微生物学环境微生物学
- 土壤科学 土壤科学
- 生态毒理学 生态毒理学
背景情况:
- 异环化合物在制药和农业化学品中至关重要.
- 它们在土壤中的持续存在可能会对微生物群落和生态系统健康产生负面影响.
研究的目的:
- 调查塞法皮林,甲基和昆克洛拉克对土壤微生物群落的影响.
- 评估对微生物多样性,功能和ARG和毒性因子的丰度的特定化合物和时间依赖的影响.
主要方法:
- 使用元基因组测序来分析土壤微生物群落.
- 对于三个特定的异环化合物,使用了15天和30天的暴露时间.
主要成果:
- 塞法皮林在30天内降低了真核生物的多样性和功能潜力,丰富了毒性因子.
- 甲扰乱了社区,抑制了代谢途径,增加了ARG,毒性因子和MGE,其中一些影响减少了30天.
- 昆克洛拉克导致毒性因子发生较轻微的变化,对ARG的影响有限.
结论:
- 异环化合物的生态风险取决于化合物的特性和暴露时间.
- 主导微生物类型的变化与ARG和毒性因子的变化相关.
- 调查结果为风险评估和农业化学品管理的可持续实践提供了信息.
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