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Bacterial community structures of aerobic denitrification bacteria nitrogen removal process in source water experiment by using Miseq high-throughput sequencing technique. |
ZHOU Shi-lei, HUANG Ting-lin, ZHANG Chun-hua, BAI Shi-yuan, HE Xiu-xiu |
Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China |
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Abstract Miseq high-throughput sequencing technique was used to investage the bacterial community structure of nitrogen removal process in source water experiment systems added aerobic denitrification bacteria. Bioinformatics analysis were carried on the for the samples of bacteria and control systems. Then, the fundamental analysis, Optimized sequence statistics, OTU distribution, and Taxonomic analysis; the Advanced analysis, the microbial community, PCA, Rank-Abundance, Hcluster, Specaccum, and Venn of OTU distribution. As a result, the nitrogen of bacteria system was removed obviously, and Hierarchical cluatering and PCA showed that the microbial community structure of bacteria and control systems has changed, and the Protebacterice and Bacteroidetes were the main phylum in experiment systems. Meanwhile, the N-functional microbial of bacteria system had an increase process, obviously, which was consistent with the changes of aerobic denitrification bacteria. From all the results, the Miseq high-throughput sequencing technique was an effective tool to explore the changes of bacterial community structure of nitrogen removal process, which could supply a reference to study the changes of community structure of remediation the source water in situ.
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Received: 15 September 2015
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