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学科主题: Biotechnology & Applied Microbiology
题名: Using the variation of anammox bacteria community structures as a bio-indicator for anthropogenic/terrestrial nitrogen inputs in the Pearl River Delta (PRD)
作者: [Li, Meng ; Cao, Huiluo ; Gu, Ji-Dong] Univ Hong Kong, Sch Biol Sci, Hong Kong, SAR, Peoples R China ; [Hong, Yiguo] Chinese Acad Sci, South China Sea Inst Oceanog, Key Lab Trop Marine Environm Dynam LED, Guangzhou 510301, Guangdong, Peoples R China ; [Gu, Ji-Dong] Univ Hong Kong, Swire Inst Marine Sci, Hong Kong, SAR, Peoples R China
通讯作者: limeng848@gmail.com ; jdgu@hkucc.hku.hk
关键词: Anammox bacteria ; Community structure ; Bio-indicator ; Anthropogenic/terrestrial nitrogen inputs ; Pearl River Delta
刊名: APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
发表日期: 2013
卷: 97, 期:22, 页:9875-9883
部门归属: LTO
资助者: This research was supported by a PhD studentship (M. L.), Environmental and Conservation Fund grant no. 15/2011(J-DG), South China Sea Open Cruise by R/V Shiyan 3, and South China Sea Institute of Oceanology, CAS. We thank Jessie Lai for general laboratory support at The University of Hong Kong during this study.
摘要: The variation of anammox bacteria community composition was evaluated in sediments collected from the Pearl River Delta area with an anthropogenic/terrestrial input gradient. Results indicated that the community composition of anammox bacteria shifted from estuarine environment to the South China Sea deep ocean along with the anthropogenic/terrestrial input gradient, where Scalindua genus of anammox bacteria predominated in the area with less anthropogenic/terrestrial influences, such as in the open oceanic area, while genera of Kuenenia/Brocadia anammox bacteria have higher proportions in the area with higher anthropogenic/terrestrial impacts. The canonical correspondence analysis demonstrated that salinity, organic matter contents, and ratio of NH4 (+) to (NO2 (-)+NO3 (-)) strongly affected the shifting of anammox bacterial community compositions within the same gradients. The results obtained in this study, together with the similar variation of anammox bacteria community structures in other several estuaries in the world, indicated that anammox bacteria might have a habitat-specific distribution pattern according to their living habits, and their community composition could be served as a bio-indicator to monitor the anthropogenic/terrestrial N inputs in coastal environments.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000326394000026
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10872
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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[Li, Meng; Cao, Huiluo; Gu, Ji-Dong] Univ Hong Kong, Sch Biol Sci, Hong Kong, SAR, Peoples R China; [Hong, Yiguo] Chinese Acad Sci, South China Sea Inst Oceanog, Key Lab Trop Marine Environm Dynam LED, Guangzhou 510301, Guangdong, Peoples R China; [Gu, Ji-Dong] Univ Hong Kong, Swire Inst Marine Sci, Hong Kong, SAR, Peoples R China.Using the variation of anammox bacteria community structures as a bio-indicator for anthropogenic/terrestrial nitrogen inputs in the Pearl River Delta (PRD),APPLIED MICROBIOLOGY AND BIOTECHNOLOGY,2013,97(22):9875-9883
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