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题名: Distribution of Aerobic Anoxygenic Phototrophs in Freshwater Plateau Lakes
作者: Tian, Yingying1, 2; Wu, Xingqiang1; Zhou, Qichao3; Donde, Oscar Omondi1, 2, 4; Tian, Cuicui1; Wang, Chunbo1; Feng, Bing1, 2; Xiao, Bangding1
关键词: aerobic anoxygenic phototrophs ; distribution ; plateau freshwater lake
刊名: POLISH JOURNAL OF ENVIRONMENTAL STUDIES
发表日期: 2018
DOI: 10.15244/pjoes/76039
卷: 27, 期:2, 页:871-879
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Aerobic anoxygenic phototrophic (AAP) bacteria are known functionally as photoheterotrophic microbes. Though numerously reported from ocean habitats, their distribution in freshwater lakes is far less documented. In the present study we investigated the dynamics of AAP bacteria in freshwater plateau lakes. Results revealed a high abundance of AAP bacteria in eutrophic lakes. Moreover, AAP bacteria were positively correlated with TN, TP, and Chl a, but the variations of AAP bacterial proportion to potential total bacteria (AAPB%). Alphaproteobacteria-related sequences dominated lakes Luguhu, Erhai, and Chenghai at ratios of 93.9, 85.4, and 70.6%, respectively, and in total comprised eight clearly defined subgroups. Sequences affiliated with Beta-and Grammaproteobacteria were found to be rare taxa. Additionally, Alkalibacterium-like sequences belonging to Firmutes were assigned. Overall, sequences from Alpha-, Beta-, Gammaproteobacteria, and Firmutes separately comprised of 81.6, 8.8, 0.8, and 4.0%. Our present work revealed extreme dynamics of AAP bacteria in both water columns and non-euphotic sediments of plateau aquatic ecosystems, which consolidated their wide distribution and enhanced adaptation.
关键词[WOS]: PHOTOHETEROTROPHIC BACTERIA ; COMMUNITY STRUCTURE ; MEDITERRANEAN SEA ; TIBETAN PLATEAU ; HIGH ABUNDANCES ; PACIFIC-OCEAN ; SP-NOV. ; DIVERSITY ; ENVIRONMENTS ; BACTERIOCHLOROPHYLL
语种: 英语
项目资助者: Major Science and Technology Program for Water Pollution Control and Treatment of China(2013ZX07102005) ; NSFC-ISF Research Program - Israel Science Foundation(41561144008) ; NSFC-ISF Research Program - National Natural Science Foundation of China(41561144008) ; National Natural Science Foundation of China(31370504 ; 31670465)
WOS记录号: WOS:000424111300041
ISSN号: 1230-1485
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50668
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Univ Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Chinese Acad Sci, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100101, Peoples R China
3.Kunming China Int Res Ctr Plateau Lake, Yunnan Inst Environm Sci, Yunnan Key Lab Pollut Proc & Management Plateau L, Kunming 650034, Yunnan, Peoples R China
4.Egerton Univ, Dept Environm Sci, POB 536-20115, Egerton, Kenya
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