Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action

Abstract Biofilms have several characteristics that ensure their survival in a range of adverse environmental conditions, including high cell numbers, close cell proximity to allow easy genetic exchange (e.g., for resistance genes), cell communication and protection through the production of an exop...

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Autores principales:	Anne Mai-Prochnow, Renwu Zhou, Tianqi Zhang, Kostya (Ken) Ostrikov, Sudarsan Mugunthan, Scott A. Rice, Patrick J. Cullen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Microbial ecology QR100-130
Acceso en línea:	https://doaj.org/article/8855eba2579a46dbaf394eab04bbce78
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spelling	oai:doaj.org-article:8855eba2579a46dbaf394eab04bbce782021-12-02T13:57:39ZInteractions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action10.1038/s41522-020-00180-62055-5008https://doaj.org/article/8855eba2579a46dbaf394eab04bbce782021-01-01T00:00:00Zhttps://doi.org/10.1038/s41522-020-00180-6https://doaj.org/toc/2055-5008Abstract Biofilms have several characteristics that ensure their survival in a range of adverse environmental conditions, including high cell numbers, close cell proximity to allow easy genetic exchange (e.g., for resistance genes), cell communication and protection through the production of an exopolysaccharide matrix. Together, these characteristics make it difficult to kill undesirable biofilms, despite the many studies aimed at improving the removal of biofilms. An elimination method that is safe, easy to deliver in physically complex environments and not prone to microbial resistance is highly desired. Cold atmospheric plasma, a lightning-like state generated from air or other gases with a high voltage can be used to make plasma-activated water (PAW) that contains many active species and radicals that have antimicrobial activity. Recent studies have shown the potential for PAW to be used for biofilm elimination without causing the bacteria to develop significant resistance. However, the precise mode of action is still the subject of debate. This review discusses the formation of PAW generated species and their impacts on biofilms. A focus is placed on the diffusion of reactive species into biofilms, the formation of gradients and the resulting interaction with the biofilm matrix and specific biofilm components. Such an understanding will provide significant benefits for tackling the ubiquitous problem of biofilm contamination in food, water and medical areas.Anne Mai-ProchnowRenwu ZhouTianqi ZhangKostya (Ken) OstrikovSudarsan MugunthanScott A. RicePatrick J. CullenNature PortfolioarticleMicrobial ecologyQR100-130ENnpj Biofilms and Microbiomes, Vol 7, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Microbial ecology QR100-130
spellingShingle	Microbial ecology QR100-130 Anne Mai-Prochnow Renwu Zhou Tianqi Zhang Kostya (Ken) Ostrikov Sudarsan Mugunthan Scott A. Rice Patrick J. Cullen Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action
description	Abstract Biofilms have several characteristics that ensure their survival in a range of adverse environmental conditions, including high cell numbers, close cell proximity to allow easy genetic exchange (e.g., for resistance genes), cell communication and protection through the production of an exopolysaccharide matrix. Together, these characteristics make it difficult to kill undesirable biofilms, despite the many studies aimed at improving the removal of biofilms. An elimination method that is safe, easy to deliver in physically complex environments and not prone to microbial resistance is highly desired. Cold atmospheric plasma, a lightning-like state generated from air or other gases with a high voltage can be used to make plasma-activated water (PAW) that contains many active species and radicals that have antimicrobial activity. Recent studies have shown the potential for PAW to be used for biofilm elimination without causing the bacteria to develop significant resistance. However, the precise mode of action is still the subject of debate. This review discusses the formation of PAW generated species and their impacts on biofilms. A focus is placed on the diffusion of reactive species into biofilms, the formation of gradients and the resulting interaction with the biofilm matrix and specific biofilm components. Such an understanding will provide significant benefits for tackling the ubiquitous problem of biofilm contamination in food, water and medical areas.
format	article
author	Anne Mai-Prochnow Renwu Zhou Tianqi Zhang Kostya (Ken) Ostrikov Sudarsan Mugunthan Scott A. Rice Patrick J. Cullen
author_facet	Anne Mai-Prochnow Renwu Zhou Tianqi Zhang Kostya (Ken) Ostrikov Sudarsan Mugunthan Scott A. Rice Patrick J. Cullen
author_sort	Anne Mai-Prochnow
title	Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action
title_short	Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action
title_full	Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action
title_fullStr	Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action
title_full_unstemmed	Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action
title_sort	interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/8855eba2579a46dbaf394eab04bbce78
work_keys_str_mv	AT annemaiprochnow interactionsofplasmaactivatedwaterwithbiofilmsinactivationdispersaleffectsandmechanismsofaction AT renwuzhou interactionsofplasmaactivatedwaterwithbiofilmsinactivationdispersaleffectsandmechanismsofaction AT tianqizhang interactionsofplasmaactivatedwaterwithbiofilmsinactivationdispersaleffectsandmechanismsofaction AT kostyakenostrikov interactionsofplasmaactivatedwaterwithbiofilmsinactivationdispersaleffectsandmechanismsofaction AT sudarsanmugunthan interactionsofplasmaactivatedwaterwithbiofilmsinactivationdispersaleffectsandmechanismsofaction AT scottarice interactionsofplasmaactivatedwaterwithbiofilmsinactivationdispersaleffectsandmechanismsofaction AT patrickjcullen interactionsofplasmaactivatedwaterwithbiofilmsinactivationdispersaleffectsandmechanismsofaction
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Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action

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