群体感应信号分子AHLs强化厌氧氨氧化过程综述

刘长远; 韩蕊; 衣隆强; 雷佳慧; 张翠雅; 吴英海

doi:10.13205/j.hjgc.202308032

群体感应信号分子AHLs强化厌氧氨氧化过程综述

doi: 10.13205/j.hjgc.202308032

1. 大连海洋大学海洋与土木工程学院, 辽宁大连 116023;
2. 设施渔业教育部重点实验室(大连海洋大学), 辽宁大连 116023;
3. 湖南大学环境科学与工程学院, 长沙 410082

基金项目:

国家重点研发计划项目(2019YFD0900501)

大连市支持高层次人才创新创业项目(2020RQ111)

辽宁省科技计划项目(2021JH2/10200012)

设施渔业教育部重点实验室开放课题项目(202211)

国家自然科学基金项目(32273186)

详细信息

作者简介:
刘长远(1999-),男,硕士研究生,主要研究方向为水污染控制技术。1312839526@qq.com

通讯作者:
吴英海(1979-),男,博士,副教授,主要研究方向为微生物集聚与调控。wuyinghai@dlou.edu.cn

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- 文章访问数: 348
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- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2022-08-14
- 网络出版日期: 2023-11-15

REVIEW ON ENHANCEMENT OF ANAMMOX PROCESS BY QUORUM SENSING SIGNAL MOLECULES AHLs

1. College of Marine and Civil Engineering, Dalian Ocean University, Dalian 116023, China;
2. Key Laboratory of Environment Controlled Aquaculture (Dalian Ocean University), Ministry of Education, Dalian 116023, China;
3. College of Environmental Science and Engineering, Hunan University, Changsha 410082, China

摘要

摘要: N-酰基高丝氨酸内酯(N-acyl homoserine lactones, AHLs)介导的群体感应(quorum sensing, QS)在细菌中广泛存在,在厌氧氨氧化(Anammox)过程中起着关键作用。近年来对AHLs介导的QS系统如何促进Anammox的研究逐渐增多,研究热点关注外源AHLs如何缩短Anammox系统启动时间,以及提高生物量、功能微生物丰度和活性等方面。为此,归纳了外源AHLs强化Anammox的机制,以及三磷酸腺苷、氮去除相关酶和相关基因在该过程中的关键作用,总结了AHLs信号分子结构差异和特性对Anammox系统脱氮性能的影响,评述了外源AHLs的添加浓度、添加时间和时效性对Anammox过程的促进效果,以及不同环境因素对该过程脱氮的影响,提出了现阶段AHLs强化Anammox过程研究中存在的主要问题及未来的研究方向。
- 厌氧氨氧化 /
- 群体感应 /
- 脱氮 /
- 信号分子 /
- 胞外聚合物
Abstract: Anaerobic ammonia oxidation (Anammox) is a promising process for wastewater treatment. N-acyl homoserine lactones (AHLs) play a key role in the Anammox process. In recent years, studies on how the AHLs-mediated quorum sensing (QS) system contributes to Anammox are increasing, with a focus on how exogenous AHLs shorten the initiation time of the Anammox system and increase biomass, functional microbial abundance and activity. To this end, the mechanisms by which exogenous AHLs enhance Anammox and the key roles played by adenosine triphosphate (ATP), nitrogen removal-related enzymes and associated genes in the process are summarized, the effects of structural differences and properties of AHLs signalling molecules on the denitrification performance of the Anammox system, the effects of the addition concentration, addition time and varying availability of exogenous AHLs on the promotion of the Anammox process, as well as the effects of different environmental factors on the denitrification process are reviewed. The main problems in the current research on the enhancement of the Anammox process by AHLs are presented, and future research directions are pointed out.
- Anammox /
- quorum sensing /
- denitrification /
- signal molecules /
- extracellular polymers

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