新污染物介导碳氮循环效应与微生物响应机制

李倩; 杜树豪; 高馨馨; 张丽迎; 史可; 梁斌

doi:10.13205/j.hjgc.202503014

新污染物介导碳氮循环效应与微生物响应机制

doi: 10.13205/j.hjgc.202503014

李倩¹,
杜树豪¹,
高馨馨²,
张丽迎¹,
史可¹,
梁斌^1, ,

1. 哈尔滨工业大学(深圳) 生态环境学院城市水资源与水环境国家重点实验室, 广东深圳 518055;
2. 哈尔滨工业大学环境学院城市水资源与水环境国家重点实验室, 哈尔滨 150090

基金项目:

国家自然科学基金优秀青年科学基金项目“水环境风险识别与阻控”（52322007）

详细信息

作者简介:
李倩，女，博士研究生，主要研究方向为新污染物微生物转化机制。15019270535@163.com

通讯作者:
梁斌,男,教授,主要研究方向为水环境风险识别与阻控。liangbin1214@hit.edu.cn

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- 文章访问数: 171
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- 被引次数: 0
出版历程
- 收稿日期: 2024-12-23
- 录用日期: 2025-01-07
- 修回日期: 2025-01-05
- 网络出版日期: 2025-06-07
- 刊出日期: 2025-03-01

Effects of emerging contaminants on carbon-nitrogen cycles and microbial response mechanisms

1. State Key Laboratory of Urban Water Resource and Environment, School of Eco-Environment, Harbin Institute of Technology, Shenzhen 518055, China;
2. State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China

摘要

摘要: 不断涌现的新污染物，如持久性有机污染物、内分泌干扰物、微/纳塑料、抗生素/抗菌剂等，在多介质环境中检出率高，风险隐蔽性强，对生态系统物质生物循环构成威胁。系统综述了典型新污染物对微生物代谢和碳氮循环的影响特征与调控机制，归纳总结了新污染物在土壤、沉积物、工程和自然水环境等不同介质中的生物和生态效应。新污染物通过改变微生物群落结构和功能、抑制关键酶活性等方式影响微生物代谢，进而干扰碳氮循环过程温室气体排放。针对新污染物多介质/跨介质迁移与（生物）转化过程的复杂性、多污染物混合效应的不确定性以及相应风险效应（动态）评估模型匮乏性，建议未来应聚焦多介质/跨介质环境风险动态模型和微生物响应微观分子机制开展跨学科交叉创新研究，深入探究新污染物在碳氮循环中的关键调控作用，揭示新污染物混合效应对碳氮循环的影响规律与作用机制。
- 新污染物 /
- 碳氮循环 /
- 多介质环境 /
- 生物效应 /
- 温室气体
Abstract: Emerging contaminants （ECs）， such as persistent organic pollutants， endocrine disruptors， micro/nanoplastics， antibiotics/antimicrobials， etc.， are frequently detected in multi-media environments， with high detection rates and strong risk covertness， posing a threat to the biological cycles of mater in ecosystems. This paper provided a systematic review of the impact characteristics and regulatory mechanisms of typical ECs on the microbial metabolism and the carbon-nitrogen cycles. It summarized the biological and ecological effects of ECs in various media， such as soil， sediment， as well as engineered and natural water environments. ECs affect the microbial metabolism by altering the structure and functions of microbial community， inhibiting key enzyme activities， etc.， thereby interfering with the carbon-nitrogen cycles and greenhouse gas emissions. In light of the key challenges posed by the complexity of multi-media and cross-media migration and （bio）transformation processes， the uncertainty of multi-contaminant mixture effects， and the lack of dynamic risk assessment models， we suggest future research focus on interdisciplinary and innovative studies of dynamic risk models in multi-media/cross-media environments and the molecular mechanisms of microbial response， and in-depth exploration of the key regulatory roles of ECs in the carbon-nitrogen cycle， as well as the patterns and mechanisms of the combined effects of ECs on the carbon-nitrogen cycle.
- emerging contaminants /
- carbon-nitrogen cycle /
- multi-media environment /
- biological effects /
- greenhouse gas

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