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题名: Spatiotemporal pattern of bacterioplankton in Donghu Lake
作者: Zhang Xiang1, 2; Yan Qingyun1; Yu Yuhe1; Dai Lili1, 2
通讯作者: Yu, YH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan 430072, Peoples R China.
关键词: bacterioplankton ; PCR-DGGE ; group-specific primers ; multivariate analysis
刊名: CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
发表日期: 2014-05-01
DOI: 10.1007/s00343-014-3037-2
卷: 32, 期:3, 页:554-564
收录类别: SCI
文章类型: Article
部门归属: [Zhang Xiang ; Yan Qingyun ; Yu Yuhe ; Dai Lili] Chinese Acad Sci, Inst Hydrobiol, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan 430072, Peoples R China ; [Zhang Xiang ; Dai Lili] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
资助者: National Natural Science Foundation of China [31071896]; National Basic Research Program of China (973 Program) [2008CB418105]; Knowledge Innovation Program of Chinese Academy of Sciences [Y15E04]; Youth Innovation Promotion Association, Chinese Academy of Sciences [Y22Z07]; Key Laboratory of Marine and Estuarine Fisheries Resources and Ecology, Ministry of Agriculture [201007]
类目[WOS]: Limnology ; Oceanography
研究领域[WOS]: Marine & Freshwater Biology ; Oceanography
摘要: Bacterioplankton play key roles in the biogeochemical cycle and in organic contaminant degradation. The species richness and abundance of bacterial subgroups are generally distinct from each other, and this is attributed to their different functions in aquatic ecosystems. The spatiotemporal variations of eight phylogenetic subgroups (Actinobacteria, Bacteroidetes, Cyanobacteria, Firmicutes, Planctomycetes, alpha-, beta-, and gamma-Proteobacteria) derived from Donghu Lake were investigated using PCR-DGGE fingerprinting, to explore their responses to environmental factors. Results indicate that Actinobacteria and beta-Proteobacteria were the two largest bacterial subgroups detected. These two groups and Bacteroidetes showed clear seasonal patterns in composition of the operational taxonomic unit. Results also suggest that the bacterioplankton subgroups in Donghu Lake were significantly correlated with different environmental factors. In brief, the total nitrogen was one of the major factors regulating all the bacterioplankton except for Actinobacteria. However, total phosphorus, another important eutrophication factor, contributed to the two largest bacterial groups (Actinobacteria and beta-Proteobacteria), as well as to the Cyanobacteria and Firmicutes. Therefore, the responses of bacterioplankton subgroups to environmental factors were different, and this should be attributed to the differences in the functions of different groups.
英文摘要: Bacterioplankton play key roles in the biogeochemical cycle and in organic contaminant degradation. The species richness and abundance of bacterial subgroups are generally distinct from each other, and this is attributed to their different functions in aquatic ecosystems. The spatiotemporal variations of eight phylogenetic subgroups (Actinobacteria, Bacteroidetes, Cyanobacteria, Firmicutes, Planctomycetes, alpha-, beta-, and gamma-Proteobacteria) derived from Donghu Lake were investigated using PCR-DGGE fingerprinting, to explore their responses to environmental factors. Results indicate that Actinobacteria and beta-Proteobacteria were the two largest bacterial subgroups detected. These two groups and Bacteroidetes showed clear seasonal patterns in composition of the operational taxonomic unit. Results also suggest that the bacterioplankton subgroups in Donghu Lake were significantly correlated with different environmental factors. In brief, the total nitrogen was one of the major factors regulating all the bacterioplankton except for Actinobacteria. However, total phosphorus, another important eutrophication factor, contributed to the two largest bacterial groups (Actinobacteria and beta-Proteobacteria), as well as to the Cyanobacteria and Firmicutes. Therefore, the responses of bacterioplankton subgroups to environmental factors were different, and this should be attributed to the differences in the functions of different groups.
关键词[WOS]: 16S RIBOSOMAL-RNA ; GRADIENT GEL-ELECTROPHORESIS ; FRESH-WATER ACTINOBACTERIA ; BACTERIAL COMMUNITIES ; MICROBIAL COMMUNITIES ; ENVIRONMENTAL-FACTORS ; PLANKTON COMMUNITY ; GENETIC DIVERSITY ; PCR PRIMERS ; HETEROGENEITY
语种: 英语
WOS记录号: WOS:000335767800009
ISSN号: 0254-4059
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20010
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhang Xiang; Yan Qingyun; Yu Yuhe; Dai Lili.Spatiotemporal pattern of bacterioplankton in Donghu Lake,CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2014,32(3):554-564
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