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Volume 13
Issue 10
10.3390/w13101329
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Article

Effect of the Aerobic Denitrifying Bacterium Pseudomonas furukawaii ZS1 on Microbiota Compositions in Grass Carp Culture Water

by
Wangbao Gong
1,2,
Shuwei Gao
1,
Yun Zhu
1,
Guangjun Wang
1,2,
Kai Zhang
1,2,
Zhifei Li
1,2,
Ermeng Yu
1,2,
Jingjing Tian
1,2,
Yun Xia
1,2,
Jun Xie
1,2,* and
Jiajia Ni
3,4,*
1
Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
2
Guangdong Ecological Remediation of Aquaculture Pollution Research Center, Guangzhou 510380, China
3
Dongguan Key Laboratory of Medical Bioactive Molecular Developmental and Translational Research, Guangdong Medical University, Dongguan 523808, China
4
Research and Development Center, Guangdong Meilikang Bio-Science Ltd., Dongguan 523808, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Pei Xu and Yanyan Zhang
Water 2021, 13(10), 1329; https://doi.org/10.3390/w13101329
Received: 8 April 2021 / Revised: 1 May 2021 / Accepted: 7 May 2021 / Published: 11 May 2021
(This article belongs to the Special Issue Advanced Technologies for Produced Water Management, Treatment, and Reuse)
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Abstract

Background: Although functional bacteria are widely used in aquaculture water treatment, whether they affect the indigenous microbiota and whether the impact is persistent remain unclear. Therefore, we aimed to explore the denitrification effect of Pseudomonas furukawaii ZS1 isolated from a grass carp culture pond in nitrogen-rich aquaculture water, and determine whether its effect on the microbiota structure of the aquaculture water was persistent. Methods: Three each of treatment and control groups were set up, and P. furukawaii ZS1 was added to the treatment group. The concentrations of ammonia nitrogen, nitrite, and nitrate, and the pH of each sample were measured for eight consecutive days. Changes of microbiota composition in the water were analysed via high-throughput sequencing. Results: Ammonia, nitrite, and nitrate concentrations were substantially lower in the treatment group than in the control group. There were significant differences in the microbiota structure between treatment and control groups, especially on days 2–7 after adding P. furukawaii ZS1. Furthermore, significantly enriched bacterial genera in the treatment group were initially higher in number than inhibited genera, but subsequently reverted to being lower in number. Conclusions: These results provide theoretical guidance for the effective use of P. furukawaii ZS1 to control aquaculture water. View Full-Text
Keywords: pond microbiota; Pseudomonas furukawaii; nitrogen cycle; grass carp culture; high-throughput sequencing; aquaculture pond microbiota; Pseudomonas furukawaii; nitrogen cycle; grass carp culture; high-throughput sequencing; aquaculture
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MDPI and ACS Style

Gong, W.; Gao, S.; Zhu, Y.; Wang, G.; Zhang, K.; Li, Z.; Yu, E.; Tian, J.; Xia, Y.; Xie, J.; Ni, J. Effect of the Aerobic Denitrifying Bacterium Pseudomonas furukawaii ZS1 on Microbiota Compositions in Grass Carp Culture Water. Water 2021, 13, 1329. https://doi.org/10.3390/w13101329

AMA Style

Gong W, Gao S, Zhu Y, Wang G, Zhang K, Li Z, Yu E, Tian J, Xia Y, Xie J, Ni J. Effect of the Aerobic Denitrifying Bacterium Pseudomonas furukawaii ZS1 on Microbiota Compositions in Grass Carp Culture Water. Water. 2021; 13(10):1329. https://doi.org/10.3390/w13101329

Chicago/Turabian Style

Gong, Wangbao, Shuwei Gao, Yun Zhu, Guangjun Wang, Kai Zhang, Zhifei Li, Ermeng Yu, Jingjing Tian, Yun Xia, Jun Xie, and Jiajia Ni. 2021. "Effect of the Aerobic Denitrifying Bacterium Pseudomonas furukawaii ZS1 on Microbiota Compositions in Grass Carp Culture Water" Water 13, no. 10: 1329. https://doi.org/10.3390/w13101329

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