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

LIU Changyuan; HAN Rui; YI Longqiang; LEI Jiahui; ZHANG Cuiya; WU Yinghai

doi:10.13205/j.hjgc.202308032

Volume 41 Issue 8

Aug. 2023

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2023 > 41(8): 251-258

LIU Changyuan, HAN Rui, YI Longqiang, LEI Jiahui, ZHANG Cuiya, WU Yinghai. REVIEW ON ENHANCEMENT OF ANAMMOX PROCESS BY QUORUM SENSING SIGNAL MOLECULES AHLs[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(8): 251-258. doi: 10.13205/j.hjgc.202308032

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LIU Changyuan, HAN Rui, YI Longqiang, LEI Jiahui, ZHANG Cuiya, WU Yinghai. REVIEW ON ENHANCEMENT OF ANAMMOX PROCESS BY QUORUM SENSING SIGNAL MOLECULES AHLs[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(8): 251-258. doi: 10.13205/j.hjgc.202308032

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

doi: 10.13205/j.hjgc.202308032

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

Received Date: 2022-08-14
Available Online: 2023-11-15

Abstract

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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References(54)

References

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