Roles of autoinducer-2 mediated quorum sensing in wastewater treatment

Quorum sensing (QS) is considered to be a promising regulation method for biological wastewater treatment (WWT) due to its regulation in extracellular substances (EPS) production, biofilm formation, granulation, colonization and bacterial activity and stability. Recently, autoinducer-2 (AI-2), a kin...

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Autores principales:	Yirong Liu, Huizhi Hu, Feng Luo
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	autoinducer-2 bacteria behavior quorum sensing wastewater treatment Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/a6fc75049c1b4b79bed5d5f2cf9423b6
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spelling	oai:doaj.org-article:a6fc75049c1b4b79bed5d5f2cf9423b62021-11-06T11:18:04ZRoles of autoinducer-2 mediated quorum sensing in wastewater treatment0273-12231996-973210.2166/wst.2021.278https://doaj.org/article/a6fc75049c1b4b79bed5d5f2cf9423b62021-08-01T00:00:00Zhttp://wst.iwaponline.com/content/84/4/793https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732Quorum sensing (QS) is considered to be a promising regulation method for biological wastewater treatment (WWT) due to its regulation in extracellular substances (EPS) production, biofilm formation, granulation, colonization and bacterial activity and stability. Recently, autoinducer-2 (AI-2), a kind of interspecies communication QS signal molecule, is being increasingly reported for its roles in regulating bacterial gene expression and aggregation. Consequently, AI-2 mediated QS system is considered as a promising regulatory approach in WWT processes. This article systematically reviews the effects of AI-2-mediated QS system on bacterial behavior and its high potential for real-world applications in different WWT systems. Given the extensive presence of AI-2, AI-2 mediated QS could cooperate with other signal molecules in WWT processes, which suggests that the interactions among multiple signal molecules might be underestimated in the previous studies. The differences between AI-2 and AHL signaling molecules are also compared. Furthermore, the attempts at AI-2 regulated QS in pollution control of different WWT systems are summarized, while some challenges and defects still require targeted research in the future. HIGHLIGHTS The AI-2 mediated QS is a potential regulatory approach in WWT processes.; The differences between AI-2 and AHL signaling molecules are compared.; The interaction among multiple signal molecules might be underestimated in the previous studies.; Possible applications of QQ mechanism based on AI-2 need to be further studied.;Yirong LiuHuizhi HuFeng LuoIWA Publishingarticleautoinducer-2bacteria behaviorquorum sensingwastewater treatmentEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 84, Iss 4, Pp 793-809 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	autoinducer-2 bacteria behavior quorum sensing wastewater treatment Environmental technology. Sanitary engineering TD1-1066
spellingShingle	autoinducer-2 bacteria behavior quorum sensing wastewater treatment Environmental technology. Sanitary engineering TD1-1066 Yirong Liu Huizhi Hu Feng Luo Roles of autoinducer-2 mediated quorum sensing in wastewater treatment
description	Quorum sensing (QS) is considered to be a promising regulation method for biological wastewater treatment (WWT) due to its regulation in extracellular substances (EPS) production, biofilm formation, granulation, colonization and bacterial activity and stability. Recently, autoinducer-2 (AI-2), a kind of interspecies communication QS signal molecule, is being increasingly reported for its roles in regulating bacterial gene expression and aggregation. Consequently, AI-2 mediated QS system is considered as a promising regulatory approach in WWT processes. This article systematically reviews the effects of AI-2-mediated QS system on bacterial behavior and its high potential for real-world applications in different WWT systems. Given the extensive presence of AI-2, AI-2 mediated QS could cooperate with other signal molecules in WWT processes, which suggests that the interactions among multiple signal molecules might be underestimated in the previous studies. The differences between AI-2 and AHL signaling molecules are also compared. Furthermore, the attempts at AI-2 regulated QS in pollution control of different WWT systems are summarized, while some challenges and defects still require targeted research in the future. HIGHLIGHTS The AI-2 mediated QS is a potential regulatory approach in WWT processes.; The differences between AI-2 and AHL signaling molecules are compared.; The interaction among multiple signal molecules might be underestimated in the previous studies.; Possible applications of QQ mechanism based on AI-2 need to be further studied.;
format	article
author	Yirong Liu Huizhi Hu Feng Luo
author_facet	Yirong Liu Huizhi Hu Feng Luo
author_sort	Yirong Liu
title	Roles of autoinducer-2 mediated quorum sensing in wastewater treatment
title_short	Roles of autoinducer-2 mediated quorum sensing in wastewater treatment
title_full	Roles of autoinducer-2 mediated quorum sensing in wastewater treatment
title_fullStr	Roles of autoinducer-2 mediated quorum sensing in wastewater treatment
title_full_unstemmed	Roles of autoinducer-2 mediated quorum sensing in wastewater treatment
title_sort	roles of autoinducer-2 mediated quorum sensing in wastewater treatment
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/a6fc75049c1b4b79bed5d5f2cf9423b6
work_keys_str_mv	AT yirongliu rolesofautoinducer2mediatedquorumsensinginwastewatertreatment AT huizhihu rolesofautoinducer2mediatedquorumsensinginwastewatertreatment AT fengluo rolesofautoinducer2mediatedquorumsensinginwastewatertreatment
_version_	1718443751945273344

Roles of autoinducer-2 mediated quorum sensing in wastewater treatment

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