Journal of Microbiology and Biotechnology
The Korean Society for Microbiology and Biotechnology publishes the Journal of Microbiology and Biotechnology.
Journal of Microbiology and Biotechnology
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2018 ; 28(7):

AuthorXiaojian Ma, Chongde Wu, Jun Huang, Rongqing Zhou, Bi Shi
AffiliationNational Engineering Laboratory of Clean Technology for Leather Manufacture, Sichuan University, Chengdu 610065, China,College of Light Industry, Textile & Food Engineering, Sichuan University, Chengdu 610065, China.
TitleMicrobial communityof tannery wastewater involved in nitrification revealed by IlluminaMiSeq sequencing
PublicationInfo J. Microbiol. Biotechnol.2018 ; 28(7):
AbstractThe aim of this study was to investigate the microbial community of three tannery wastewater treatment plants (WWTPs) involved in nitrification by IlluminaMiSeq sequencing. The results showed that highly diverse communities were observed intannery wastewater. A total of 6 phyla including Proteobacteria(37-41%), Bacteroidetes(6.04-16.80), Planctomycetes (3.65-16.55), Chloroflexi (2.51-11.48), Actinobacteria (1.91-9.21), and Acidobacteria(3.04-6.20) were identified as the main phyla, and Proteobacteriadominated in all thesamples. Within Proteobacteria, Beta-proteobacteria was the most abundant class with the sequence percentages ranging from 9.66% to 17.44%. Analysis of the community at genus level suggested thatThauera, Gp4, Ignavibacterium, Phycisphaera, and Arenimonas were the core genera shared by at least two tannery WWTPs. A detailed analysis of the abundance of ammonia-oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB) indicated thatNitrosospira, Nitrosomonas and Nitrospirawere main AOB and NOB in tannery wastewater, respectively, which exhibited relatively high abundance in all samples. In addition,real-time quantitative PCR (q-PCR) was conducted to validate theresults by quantifying the abundance of the AOB and total bacteria, and similar results were obtained. Overall, results presented in this study may provide new insights into our understanding of key microorganisms and the entire community of tannery wastewater and contribute to improve the nitrogen removal efficiency.
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KeywordsMicrobial community, nitrification, tannery wastewater, high-throughput sequencing
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