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石油污染土壤的持续外源生物增强整治:生态影响,微生物群落和机制

Jiawei Jing¹, Tingting Wang¹, Xinyu Guo¹

¹Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education) and Dalian POCT Laboratory, School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China.

Journal of environmental management

|August 19, 2025

概括

持续生物增量 (C-Bio) 通过维持引入的细菌,有效地修复了被石油污染的土壤. 这种方法促进了生态恢复和本地微生物的协同降解,优于一次性生物增量.

科学领域:

环境科学环境科学
微生物学微生物学
生物修复是一种生物修复.

背景情况:

石油污染的土壤对环境构成风险.
外源生物增量疗效受到细菌生存和微生物相互作用的限制.
了解微生物社区的动态对于有效的土壤整治至关重要.

研究的目的:

评估连续生物增量 (C-Bio) 对于石油污染土壤修复的有效性.
将C-Bio与一次性生物增量 (D-Bio) 和对照组 (CG) 进行比较.
研究C-Bio.中微生物相互作用和生态恢复的机制.

主要方法:

使用C-Bio,D-Bio和CG方法在200天内应用一种石油降解细菌剂 (ECT).
评估石油降解速度,土壤物理化学特性,酶活动和植物生长.
超基因组和网络分析以阐明微生物社区结构和相互作用.

主要成果:

通过C-Bio实现了99.42%的模拟石油降解率.
C-Bio在土壤特性,酶活动和植物生长方面显著改善,表明生态恢复.
甲基因组分析证实了外源细菌的成功殖民,并揭示了引入和本土细菌之间的合作关系.

结论:

持续的生物增量是持续的石油污染土壤修复的优越策略.
通过加强微生物社区的继承和物种间的合作,C-Bio促进了石油碳化合物的协同降解.
这项研究为开发用于环境清洁的先进生物增强技术提供了基础.

关键词:

跨物种关系跨物种关系超基因组组学 (Metagenomic) 是指发生在一个基因组中.微生物网络是一个微生物网络.石油降解的细菌剂石油降解的细菌剂土壤生物修复土壤生物修复

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