Microbial community structures and functions of wastewater treatment systems in plateau and cold regions

被引：211

作者：

Fang, Dexin ^{[1
,2
]}

Zhao, Gen ^{[1
,2
]}

Xu, Xiaoyi ^{[1
,2
]}

Zhang, Qian ^{[1
,2
]}

Shen, Qiushi ^{[1
,2
]}

Fang, Zhuoyao ^{[3
]}

Huang, Liping ^{[1
,2
]}

Ji, Fangying ^{[1
,2
]}

机构：

[1] Chongqing Univ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Minist Educ, Chongqing 400045, Peoples R China

[2] Chongqing Univ, Natl Ctr Int Res Low Carbon & Green Bldg, Chongqing 400045, Peoples R China

[3] Univ Pittsburgh, Dept Civil & Environm Engn, 3700 OHara St, Pittsburgh, PA 15261 USA

来源：

BIORESOURCE TECHNOLOGY | 2018年 / 249卷

关键词：

Illumina high-throughput sequencing; Microbial community; Plateau wastewater treatment plant; Functional genus; LEfSe analysis; MEMBRANE BIOREACTOR; TREATMENT PLANTS; BACTERIAL DIVERSITY; ACTIVATED-SLUDGE; SEQUENCES; DYNAMICS;

D O I：

10.1016/j.biortech.2017.10.063

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Wastewater treatment plants (WWTPs) in plateau regions have unique microbial community structures. In this study, Illumina high-throughput sequencing technology was applied to investigate microbial communities of plateau WWTPs. The research showed that microbial diversities and richness were negatively associated with the altitude and positively to the water temperature to a certain extent. The dominant phyla of plateau and control WWTPs were similar, which mainly included Proteobacteria, Bacteroidetes, Chloroflexi and Firmicutes. In plateau WWTPs, the LEfSe analysis found 4 biomarkers which can catabolize aromatic compounds, indicating the microorganisms that can degrade refractory organics might survive better in plateau WWTPs. The analysis of functional genera and enzymes showed that there was no significant difference in abundances of organic degrading bacteria, but the nitrogen removal bacteria were less abundant and phosphorus removal bacteria were more abundant in plateau WWTPs.

引用

页码：684 / 693

页数：10

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