Characteristics and phylogenetic analysis of the facultative anaerobic dissimilatory azoreducing bacteria from activated sludge
Hong, YG; Guo, J; Sun, GP; guopingsun@163.com
2008
发表期刊INTERNATIONAL BIODETERIORATION & BIODEGRADATION
ISSN0964-8305
卷号61期号:4页码:313-318
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.
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
关键词Dissimilatory Azoreducing Bacteria (Darbs) Azoreduction Phylogenetic Analysis Redox Mediator
学科领域Biotechnology & Applied Microbiology ; Environmental Sciences
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收录类别sci
资助项目LED
WOS记录号WOS:000257003200004
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/6005
专题热带海洋环境国家重点实验室(LTO)
通讯作者guopingsun@163.com
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Hong, YG,Guo, J,Sun, GP,et al. Characteristics and phylogenetic analysis of the facultative anaerobic dissimilatory azoreducing bacteria from activated sludge[J]. INTERNATIONAL BIODETERIORATION & BIODEGRADATION,2008,61(4):313-318.
APA Hong, YG,Guo, J,Sun, GP,&guopingsun@163.com.(2008).Characteristics and phylogenetic analysis of the facultative anaerobic dissimilatory azoreducing bacteria from activated sludge.INTERNATIONAL BIODETERIORATION & BIODEGRADATION,61(4),313-318.
MLA Hong, YG,et al."Characteristics and phylogenetic analysis of the facultative anaerobic dissimilatory azoreducing bacteria from activated sludge".INTERNATIONAL BIODETERIORATION & BIODEGRADATION 61.4(2008):313-318.
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