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Aerobic Denitrification Microbial Community and Function in Zero-Discharge Recirculating Aquaculture System Using a Single Biofloc-Based Suspended Growth Reactor: Influence of the Carbon-to-Nitrogen Ratio

文献类型：期刊论文

作者Deng, Min2; Dai, Zhili1; Senbati, Yeerken2,3; Li, Lu2; Song, Kang2,3; He, Xugang4
刊名FRONTIERS IN MICROBIOLOGY
出版日期2020-08-04
卷号11页码:11
关键词aerobic denitrification C N ratio nitrogen removal qPCR microbial community function prediction
ISSN号1664-302X
DOI10.3389/fmicb.2020.01760
通讯作者Song, Kang(sk@ihb.ac.cn)
英文摘要In this study, the effect of aerobic denitrification on nitrogen removal was investigated using two zero-discharge biofloc-based recirculating aquaculture systems with representative carbon-to-nitrogen (C/N) ratios of 15 (CN15) and 20 (CN20). Aquaculture wastewater, residual feed, and fish feces were treated in an aerated suspended growth reactor (SGR, dissolved oxygen > 5.0 mg L-1). Low toxic NH3(<0.1 mg L-1) and NO2--N (<0.5 mg L-1) concentrations and high NO3--N (83.3%) and NO2--N (100%) removal efficiencies were achieved in the fish tank and SGR of CN20, respectively. The nitrogen mass balances indicated that the gaseous nitrogen loss accounted for 72-75% of the nitrogen input. Illumina sequencing and quantitative polymerase chain reaction revealed that increasing the C/N ratio significantly increased the amount of aerobic denitrifying bacteria (Dechloromonas,Rhodobacter,Flavobacterium, andZoogloea) and aerobic denitrifying functional genes (napA,nirK, andnosZ). AutotrophicNitrosomonaswas the dominant nitrifying bacteria in the CN15 system, and autotrophic (Nitrosomonas) and heterotrophic nitrifiers coexisted in the CN20 system. Moreover, the functional prediction analysis showed that the carbohydrate, energy, and amino acid metabolisms in the SGR of the latter increased. In conclusion, aerobic denitrification should widely exist in biofloc systems.
WOS关键词16S RIBOSOMAL-RNA ; WATER-QUALITY ; SIMULTANEOUS NITRIFICATION ; CARBOHYDRATE ADDITION ; NITRATE REMOVAL ; AMMONIA ; EFFICIENCY ; GENES ; WASTE ; TRANSFORMATIONS
资助项目National Natural Science Foundation of China[41877344] ; Chinese Academy of Sciences[Y85Z021301] ; Chinese Academy of Sciences[Y951040101] ; Water Pollution Control and Treatment ; National Science and Technology Major Project[2018ZX07208001] ; China Postdoctoral Science Foundation[2019M652738] ; 100 Talents Program of Chinese Academy of Sciences[E029040201] ; 100 Talents Program of Chinese Academy of Sciences[E051040101]
WOS研究方向Microbiology
语种英语
WOS记录号WOS:000563403700001
出版者FRONTIERS MEDIA SA
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; Water Pollution Control and Treatment ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences
源URL[http://ir.ihb.ac.cn/handle/342005/38735]  
专题水生生物研究所_水环境工程研究中心_期刊论文
通讯作者Song, Kang
作者单位1.Anhui Jianzhu Univ, Sch Mat Sci & Chem Engn, Hefei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Huazhong Agr Univ, Coll Fisheries, Wuhan, Peoples R China
推荐引用方式
GB/T 7714		 Deng, Min,Dai, Zhili,Senbati, Yeerken,et al. Aerobic Denitrification Microbial Community and Function in Zero-Discharge Recirculating Aquaculture System Using a Single Biofloc-Based Suspended Growth Reactor: Influence of the Carbon-to-Nitrogen Ratio[J]. FRONTIERS IN MICROBIOLOGY,2020,11:11.
APA Deng, Min,Dai, Zhili,Senbati, Yeerken,Li, Lu,Song, Kang,&He, Xugang.(2020).Aerobic Denitrification Microbial Community and Function in Zero-Discharge Recirculating Aquaculture System Using a Single Biofloc-Based Suspended Growth Reactor: Influence of the Carbon-to-Nitrogen Ratio.FRONTIERS IN MICROBIOLOGY,11,11.
MLA Deng, Min,et al."Aerobic Denitrification Microbial Community and Function in Zero-Discharge Recirculating Aquaculture System Using a Single Biofloc-Based Suspended Growth Reactor: Influence of the Carbon-to-Nitrogen Ratio".FRONTIERS IN MICROBIOLOGY 11(2020):11.

入库方式： OAI收割

来源：水生生物研究所

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