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Can Alkyl Quaternary Ammonium Cations Substitute H(2)O(2) in Controlling Cyanobacterial Blooms—Laboratory and Mesocosm Studies

Mitigation of harmful cyanobacterial blooms that constitute a serious threat to water quality, particularly in eutrophic water, such as in aquaculture, is essential. Thus, in this study, we tested the efficacy of selected cyanocides towards bloom control in laboratory and outdoor mesocosm experiment...

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Autores principales: Zhang, Xinya, Xia, Yiruo, Jia, Yunlu, Sukenik, Assaf, Kaplan, Aaron, Song, Chanyuan, Dai, Guofei, Bai, Fang, Li, Lin, Song, Lirong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8619391/
https://www.ncbi.nlm.nih.gov/pubmed/34835385
http://dx.doi.org/10.3390/microorganisms9112258
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author Zhang, Xinya
Xia, Yiruo
Jia, Yunlu
Sukenik, Assaf
Kaplan, Aaron
Song, Chanyuan
Dai, Guofei
Bai, Fang
Li, Lin
Song, Lirong
author_facet Zhang, Xinya
Xia, Yiruo
Jia, Yunlu
Sukenik, Assaf
Kaplan, Aaron
Song, Chanyuan
Dai, Guofei
Bai, Fang
Li, Lin
Song, Lirong
author_sort Zhang, Xinya
collection PubMed
description Mitigation of harmful cyanobacterial blooms that constitute a serious threat to water quality, particularly in eutrophic water, such as in aquaculture, is essential. Thus, in this study, we tested the efficacy of selected cyanocides towards bloom control in laboratory and outdoor mesocosm experiments. Specifically, we focused on the applicability of a group of cationic disinfectants, alkyltrimethyl ammonium (ATMA) compounds and H(2)O(2). The biocidal effect of four ATMA cations with different alkyl chain lengths was evaluated ex situ using Microcystis colonies collected from a fish pond. The most effective compound, octadecyl trimethyl ammonium (ODTMA), was further evaluated for its selectivity towards 24 cyanobacteria and eukaryotic algae species, including Cyanobacteria, Chlorophyta, Bacillariophyta, Euglenozoa and Cryptophyta. The results indicated selective inhibition of cyanobacteria by ODTMA-Br (C18) on both Chroccocales and Nostocales, but a minor effect on Chlorophytes and Bacillariophytes. The efficacy of ODTMA-Br (C18) (6.4 μM) in mitigating the Microcystis population was compared with that of a single low dose of H(2)O(2) treatments (117.6 μM). ODTMA-Br (C18) suppressed the regrowth of Microcystis for a longer duration than did H(2)O(2). The results suggested that ODTMA-Br (C18) may be used as an effective cyanocide and that it is worth further evaluating this group of cationic compounds as a treatment to mitigate cyanobacterial blooms in aquaculture.
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spelling pubmed-86193912021-11-27 Can Alkyl Quaternary Ammonium Cations Substitute H(2)O(2) in Controlling Cyanobacterial Blooms—Laboratory and Mesocosm Studies Zhang, Xinya Xia, Yiruo Jia, Yunlu Sukenik, Assaf Kaplan, Aaron Song, Chanyuan Dai, Guofei Bai, Fang Li, Lin Song, Lirong Microorganisms Article Mitigation of harmful cyanobacterial blooms that constitute a serious threat to water quality, particularly in eutrophic water, such as in aquaculture, is essential. Thus, in this study, we tested the efficacy of selected cyanocides towards bloom control in laboratory and outdoor mesocosm experiments. Specifically, we focused on the applicability of a group of cationic disinfectants, alkyltrimethyl ammonium (ATMA) compounds and H(2)O(2). The biocidal effect of four ATMA cations with different alkyl chain lengths was evaluated ex situ using Microcystis colonies collected from a fish pond. The most effective compound, octadecyl trimethyl ammonium (ODTMA), was further evaluated for its selectivity towards 24 cyanobacteria and eukaryotic algae species, including Cyanobacteria, Chlorophyta, Bacillariophyta, Euglenozoa and Cryptophyta. The results indicated selective inhibition of cyanobacteria by ODTMA-Br (C18) on both Chroccocales and Nostocales, but a minor effect on Chlorophytes and Bacillariophytes. The efficacy of ODTMA-Br (C18) (6.4 μM) in mitigating the Microcystis population was compared with that of a single low dose of H(2)O(2) treatments (117.6 μM). ODTMA-Br (C18) suppressed the regrowth of Microcystis for a longer duration than did H(2)O(2). The results suggested that ODTMA-Br (C18) may be used as an effective cyanocide and that it is worth further evaluating this group of cationic compounds as a treatment to mitigate cyanobacterial blooms in aquaculture. MDPI 2021-10-29 /pmc/articles/PMC8619391/ /pubmed/34835385 http://dx.doi.org/10.3390/microorganisms9112258 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Zhang, Xinya
Xia, Yiruo
Jia, Yunlu
Sukenik, Assaf
Kaplan, Aaron
Song, Chanyuan
Dai, Guofei
Bai, Fang
Li, Lin
Song, Lirong
Can Alkyl Quaternary Ammonium Cations Substitute H(2)O(2) in Controlling Cyanobacterial Blooms—Laboratory and Mesocosm Studies
title Can Alkyl Quaternary Ammonium Cations Substitute H(2)O(2) in Controlling Cyanobacterial Blooms—Laboratory and Mesocosm Studies
title_full Can Alkyl Quaternary Ammonium Cations Substitute H(2)O(2) in Controlling Cyanobacterial Blooms—Laboratory and Mesocosm Studies
title_fullStr Can Alkyl Quaternary Ammonium Cations Substitute H(2)O(2) in Controlling Cyanobacterial Blooms—Laboratory and Mesocosm Studies
title_full_unstemmed Can Alkyl Quaternary Ammonium Cations Substitute H(2)O(2) in Controlling Cyanobacterial Blooms—Laboratory and Mesocosm Studies
title_short Can Alkyl Quaternary Ammonium Cations Substitute H(2)O(2) in Controlling Cyanobacterial Blooms—Laboratory and Mesocosm Studies
title_sort can alkyl quaternary ammonium cations substitute h(2)o(2) in controlling cyanobacterial blooms—laboratory and mesocosm studies
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8619391/
https://www.ncbi.nlm.nih.gov/pubmed/34835385
http://dx.doi.org/10.3390/microorganisms9112258
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