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《Chemistry & Bioengineering》 2013-08
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Bacterial Community Structures in Activated Sludge of Municipal Sewage Treatment Plants

WANG Meng1,LI Ru-gang2,XIAO Yi-hong1,XING Meng-ya1, LEI Shuang-zhou1,XU Jia-ning1,XU Xin1,ZHAO Da-yong1(1.College of Hydrology and Water Resources,Hohai University,Nanjing 210098,China; 2.Wuxi Qianhui Sewage Treatment Co.,Ltd.,Wuxi 214151,China)  
In order to investigate the composition and diversity of bacterial community structure in activated sludge,samples were collected from different sewage treatment plants of four cities(Xi′an,Urumqi,Hefei and Wuxi).The terminal restriction fragment length polymorphism(T-RFLP) technology was applied to analyze the composition and diversity of the bacterial community structure in the samples.The results showed that the bacterial diversities of the four activated sludge samples followed the order of Urumqi Hefei Wuxi Xi′an.According to the search results in the PAT database,the dominant bacterial populations(relative percentages of the restriction fragments more than 5%) in the four activated sludge samples belonged to Bacilli,α-Proteobacteria,δ-Proteobacteria and γ-Proteobacteria.
【Fund】: 国家自然科学基金资助项目(41001044);; 大学生创新训练计划项目(201210294004)
【CateGory Index】: X703
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