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Microbial diversity in polluted harbor sediments II: Sulfate-reducing bacterial community assessment using terminal restriction fragment length polymorphism and clone library of dsrAB gene
Zhang, Wen1,2; Song, Lin-Sheng3; Ki, Jang-Seu1,2; Lau, Chun-Kwan1,2; Li, Xiang-Dong4; Qian, Pei-Yuan1,2
2008-02-10
发表期刊ESTUARINE COASTAL AND SHELF SCIENCE
卷号76期号:3页码:682-691
文章类型Article
摘要Sulfate-reducing bacteria (SRB) are important regulators of a variety of processes in coastal marine sediments regarding organic matter turnover, biodegradation of pollutants, and sulfur and carbon cycles. Yet their community compositions have not been investigated in polluted harbor sediments. This study described the diversity and spatial variation of SRB communities in surface sediments in Victoria Harbor, Hong Kong. The spatial variation of SRB communities was described by terminal restriction fragment length polymorphism (T-RFLP). The results showed that the most diversified terminal restriction fragments were found at polluted sites. In addition, cluster analysis indicated that although the SRB communities were different at the two polluted sites, they were still more similar to each other than to the two more distant reference sites. Based on a dsrAB clone library constructed at a polluted site, diversified SRB were found, represented by 30 Operational Taxonomic Units (OTUs). Upon comparisons among the SRB sequences detected from this study and those in the GenBank, five clades of SRB were found. Three clades belonged to the known families Desulfobacteraceae, Desulfobulbaceae, and Syntrophobacteriaceae. The majority of sequenced clones, which distantly related to sequences in the GenBank, constituted the remaining two unclassified groups, suggesting unique SRB members related to the polluted harbor environment. Statistical analyses indicated that estimated SRB richness correlated with environment factors such as sulfur content, acid volatile sulfate, and redox potential. (C) 2007 Elsevier Ltd. All rights reserved.
关键词Victoria Harbor Pollution Sulfate-reducing Bacteria Dsrab T-rflp Clone Library
DOI10.1016/j.ecss.2007.07.039
收录类别SCI
语种英语
WOS记录号WOS:000253085200021
引用统计
被引频次:37[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/32633
专题实验海洋生物学重点实验室
作者单位1.Hong Kong Univ Sci & Technol, Coastal Marine Lab, Kowloon, Hong Kong, Peoples R China
2.Hong Kong Univ Sci & Technol, Atmospher Marine & Coastal Environm Program, Kowloon, Hong Kong, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Beijing, Peoples R China
4.Hong Kong Polytech Univ, Environm Engn Unit, Dept Civil & Struct Engn, Kowloon, Hong Kong, Peoples R China
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Zhang, Wen,Song, Lin-Sheng,Ki, Jang-Seu,et al. Microbial diversity in polluted harbor sediments II: Sulfate-reducing bacterial community assessment using terminal restriction fragment length polymorphism and clone library of dsrAB gene[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2008,76(3):682-691.
APA Zhang, Wen,Song, Lin-Sheng,Ki, Jang-Seu,Lau, Chun-Kwan,Li, Xiang-Dong,&Qian, Pei-Yuan.(2008).Microbial diversity in polluted harbor sediments II: Sulfate-reducing bacterial community assessment using terminal restriction fragment length polymorphism and clone library of dsrAB gene.ESTUARINE COASTAL AND SHELF SCIENCE,76(3),682-691.
MLA Zhang, Wen,et al."Microbial diversity in polluted harbor sediments II: Sulfate-reducing bacterial community assessment using terminal restriction fragment length polymorphism and clone library of dsrAB gene".ESTUARINE COASTAL AND SHELF SCIENCE 76.3(2008):682-691.
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