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Shifts between ammonia-oxidizing bacteria and archaea in relation to nitrification potential across trophic gradients in two large Chinese lakes (Lake Taihu and Lake Chaohu)
Hou, Jie1,2; Song, Chunlei1; Cao, Xiuyun1; Zhou, Yiyong1; Zhou, YY (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China.
2013-05-01
Source PublicationWATER RESEARCH
ISSN0043-1354
Volume47Issue:7Pages:2285-2296
AbstractAmmonia oxidation plays a pivotal role in the cycling and removal of nitrogen in aquatic ecosystems. Recent findings have expanded the known ammonia-oxidizing prokaryotes from Bacteria to Archaea. However, the relative importance of ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA) in nitrification is still debated. Here we showed that, in two large eutrophic lakes in China (Lake Taihu and Lake Chaohu), the abundance of AOA and AOB varied in opposite patterns according to the trophic state, although both AOA and AOB were abundant. In detail, from mesotrophic to eutrophic sites, the AOA abundance decreased, while the AOB increased in abundance and outnumbered the AOA at hypertrophic sites. In parallel, the nitrification rate increased along these trophic gradients and was significantly correlated with both the AOB abundance and the numerical ratio of AOB to AOA. Phylogenetic analysis of bacterial amoA sequences showed that Nitrosomonas oligotropha- and Nitrosospira-affiliated AOB dominated in both lakes, while Nitrosomonas communis-related AOB were only detected at the eutrophic sites. The diversity of AOB increased from mesotrophic to eutrophic sites and was positively correlated with the nitrification rate. Overall, this study enhances our understanding of the ecology of ammonia-oxidizing prokaryotes by elucidating conditions that AOB may numerically predominated over AOA, and indicated that AOA may play a less important role than AOB in the nitrification process of eutrophic lakes. (C) 2013 Elsevier Ltd. All rights reserved.; Ammonia oxidation plays a pivotal role in the cycling and removal of nitrogen in aquatic ecosystems. Recent findings have expanded the known ammonia-oxidizing prokaryotes from Bacteria to Archaea. However, the relative importance of ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA) in nitrification is still debated. Here we showed that, in two large eutrophic lakes in China (Lake Taihu and Lake Chaohu), the abundance of AOA and AOB varied in opposite patterns according to the trophic state, although both AOA and AOB were abundant. In detail, from mesotrophic to eutrophic sites, the AOA abundance decreased, while the AOB increased in abundance and outnumbered the AOA at hypertrophic sites. In parallel, the nitrification rate increased along these trophic gradients and was significantly correlated with both the AOB abundance and the numerical ratio of AOB to AOA. Phylogenetic analysis of bacterial amoA sequences showed that Nitrosomonas oligotropha- and Nitrosospira-affiliated AOB dominated in both lakes, while Nitrosomonas communis-related AOB were only detected at the eutrophic sites. The diversity of AOB increased from mesotrophic to eutrophic sites and was positively correlated with the nitrification rate. Overall, this study enhances our understanding of the ecology of ammonia-oxidizing prokaryotes by elucidating conditions that AOB may numerically predominated over AOA, and indicated that AOA may play a less important role than AOB in the nitrification process of eutrophic lakes. (C) 2013 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordEutrophic Lakes Nitrogen Removal Trophic State Ammonia-oxidizing Bacteria Ammonia-oxidizing Archaea Qpcr
Department[Hou, Jie ; Song, Chunlei ; Cao, Xiuyun ; Zhou, Yiyong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China ; [Hou, Jie] Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
DOI10.1016/j.watres.2013.01.042
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
Funding OrganizationNational Key Basic Research and Development Program [2008CB418006]; National Science Foundation of China [41073066, 40903030, 41173081]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ15] ; National Key Basic Research and Development Program [2008CB418006]; National Science Foundation of China [41073066, 40903030, 41173081]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ15] ; National Key Basic Research and Development Program [2008CB418006]; National Science Foundation of China [41073066, 40903030, 41173081]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ15] ; National Key Basic Research and Development Program [2008CB418006]; National Science Foundation of China [41073066, 40903030, 41173081]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ15]
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Environmental Sciences & Ecology ; Water Resources
WOS SubjectEngineering, Environmental ; Environmental Sciences ; Water Resources
WOS IDWOS:000317699900017
WOS KeywordCOMMUNITY STRUCTURE ; IMPORTANT PLAYERS ; NITROGEN-CYCLE ; ABUNDANCE ; DIVERSITY ; SOIL ; EUTROPHICATION ; OXIDATION ; ECOLOGY ; SHALLOW
Funding OrganizationNational Key Basic Research and Development Program [2008CB418006]; National Science Foundation of China [41073066, 40903030, 41173081]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ15] ; National Key Basic Research and Development Program [2008CB418006]; National Science Foundation of China [41073066, 40903030, 41173081]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ15] ; National Key Basic Research and Development Program [2008CB418006]; National Science Foundation of China [41073066, 40903030, 41173081]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ15] ; National Key Basic Research and Development Program [2008CB418006]; National Science Foundation of China [41073066, 40903030, 41173081]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ15]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/19324
Collection水环境工程研究中心_期刊论文
Corresponding AuthorZhou, YY (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Hou, Jie,Song, Chunlei,Cao, Xiuyun,et al. Shifts between ammonia-oxidizing bacteria and archaea in relation to nitrification potential across trophic gradients in two large Chinese lakes (Lake Taihu and Lake Chaohu)[J]. WATER RESEARCH,2013,47(7):2285-2296.
APA Hou, Jie,Song, Chunlei,Cao, Xiuyun,Zhou, Yiyong,&Zhou, YY .(2013).Shifts between ammonia-oxidizing bacteria and archaea in relation to nitrification potential across trophic gradients in two large Chinese lakes (Lake Taihu and Lake Chaohu).WATER RESEARCH,47(7),2285-2296.
MLA Hou, Jie,et al."Shifts between ammonia-oxidizing bacteria and archaea in relation to nitrification potential across trophic gradients in two large Chinese lakes (Lake Taihu and Lake Chaohu)".WATER RESEARCH 47.7(2013):2285-2296.
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