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学科主题: Biotechnology & Applied Microbiology; Environmental Sciences
题名: Characteristics and phylogenetic analysis of the facultative anaerobic dissimilatory azoreducing bacteria from activated sludge
作者: Hong, YG ; Guo, J ; Sun, GP
通讯作者: guopingsun@163.com
关键词: dissimilatory azoreducing bacteria (DARBs) ; azoreduction ; phylogenetic analysis ; redox mediator
刊名: INTERNATIONAL BIODETERIORATION & BIODEGRADATION
发表日期: 2008
卷: 61, 期:4, 页:313-318
收录类别: sci
部门归属: [Hong, Yiguo; Guo, Jun; Sun, Guoping] Guangdong Inst Microbiol, Guangzhou 510070, Guangdong, Peoples R China; [Hong, Yiguo] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LED
摘要: Physiologically distinct facultative anaerobic microorganisms were isolated and investigated for their ability to oxidize different substrates with azo compounds as a terminal electron acceptor. Four strains of dissimilatory azoreducing bacteria (DARBs), isolated from activated sludge of a textile-printing wastewater treatment plant, could reduce azo compound by coupling oxidation of several of electron donors. Different strains preferred specific electron donor for azoreduction, such as hydrogen, formate or lactate. Evolutionary relationships among these DARBs were examined by phylogenetic analysis of 16S rDNA sequences. Members of the genera Citrobacter (AzoR-1), Acinetobacter(Azc R-3), and Pseudomonas(Azo R-9) formed a monophyletic group within the gamma subdivision of the class Proteobacteria, which was closely related to the member of the previously described Sheivanella decolorationnis S12 that obtained its energy for growth by dissimilatory azoreduction process. The genus Bacillus (Azo R-6) made up a distinct branch within the Firmicutes cluster. The results of this study expanded the limited number of microbial isolates that are known to be capable of dissimilatory azoreduction and demonstrated that the ubiquity of azoreduction coupling with hydrogen or organic acids as an electron donor. (C) 2007 Published by Elsevier Ltd.
原文出处: 查看原文
WOS记录号: WOS:000257003200004
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/6005
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Hong, YG; Guo, J; Sun, GP.Characteristics and phylogenetic analysis of the facultative anaerobic dissimilatory azoreducing bacteria from activated sludge,INTERNATIONAL BIODETERIORATION & BIODEGRADATION,2008,61(4):313-318
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