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学科主题: Marine & Freshwater Biology
题名: Morphological characteristics and phylogenetic relationship of Anabaena species from Lakes Dianchi and Erhai, China
作者: Pan, Xiaojie1, 2; Chang, Fengyi1, 3; Kang, Lijuan1, 4; Li, Genbao1; Li, Dunhai1; Liu, Yongding1; Shen, Yinwu1; Wei, Zhihong5
通讯作者: Liu, YD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
关键词: morphological characteristics ; phylogenetic relationship ; 16S rRNA ; Anabaena ; plateau lakes
刊名: HYDROBIOLOGIA
发表日期: 2008-11-01
DOI: 10.1007/s10750-008-9519-5
卷: 614, 期:1, 页:353-362
收录类别: SCI
文章类型: Article
部门归属: [Pan, Xiaojie; Chang, Fengyi; Kang, Lijuan; Li, Genbao; Li, Dunhai; Liu, Yongding; Shen, Yinwu] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Pan, Xiaojie] Minist Water Resources, Inst Hydroecol, Wuhan 430079, Peoples R China; [Chang, Fengyi] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; [Kang, Lijuan] Shanghai Acad Environm Sci, Shanghai 200233, Peoples R China; [Wei, Zhihong] Chinese Res Ctr Lake Erhai, Dali 671000, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: 973 Program, 863 Plan and other Programs [2002 CB412300, 2005AA60101504, KZCX2-YW-426, KSCX2-1-10]
类目[WOS]: Marine & Freshwater Biology
研究领域[WOS]: Marine & Freshwater Biology
摘要: Although Anabaena is one of the most prevalent planktonic freshwater genus in China, there are few taxonomic reports of Anabaena strains by morphology and genetics. In this study, morphological characteristics and phylogenetic relationships of seven Anabaena strains isolated from two plateau lakes, Lakes Dianchi and Erhai, were investigated. Morphological characteristics such as morphology of filament, cellular shapes and sizes, relative position of heterocytes and akinetes, and presence or absence of aerotopes, were described for these seven strains. Phylogenetic relationships were determined by constructing 16S rRNA gene tree using the neighbor-joining algorithm. The seven strains were morphologically identified as three groups, and phylogenetic analysis based on 16S rRNA gene sequences also showed that these seven strains were in three groups. Strains EH-2, EH-3, and EH-4 were in group A belonging to the Anabaena circinalis and A. crassa group, and strains DC-1, DC-2, and EH-1 were in group B and identified as A. flos-aquae. Strain DC-3 without aerotopes was significantly different from the other isolated strains and was determined as A. cylindrica.
英文摘要: Although Anabaena is one of the most prevalent planktonic freshwater genus in China, there are few taxonomic reports of Anabaena strains by morphology and genetics. In this study, morphological characteristics and phylogenetic relationships of seven Anabaena strains isolated from two plateau lakes, Lakes Dianchi and Erhai, were investigated. Morphological characteristics such as morphology of filament, cellular shapes and sizes, relative position of heterocytes and akinetes, and presence or absence of aerotopes, were described for these seven strains. Phylogenetic relationships were determined by constructing 16S rRNA gene tree using the neighbor-joining algorithm. The seven strains were morphologically identified as three groups, and phylogenetic analysis based on 16S rRNA gene sequences also showed that these seven strains were in three groups. Strains EH-2, EH-3, and EH-4 were in group A belonging to the Anabaena circinalis and A. crassa group, and strains DC-1, DC-2, and EH-1 were in group B and identified as A. flos-aquae. Strain DC-3 without aerotopes was significantly different from the other isolated strains and was determined as A. cylindrica.
关键词[WOS]: APHANIZOMENON-FLOS-AQUAE ; 16S RIBOSOMAL-RNA ; GENERA ANABAENA ; CYANOBACTERIA ; SEQUENCES
语种: 英语
WOS记录号: WOS:000259569000030
ISSN号: 0018-8158
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8000
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Minist Water Resources, Inst Hydroecol, Wuhan 430079, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
4.Shanghai Acad Environm Sci, Shanghai 200233, Peoples R China
5.Chinese Res Ctr Lake Erhai, Dali 671000, Peoples R China

Recommended Citation:
Pan, Xiaojie; Chang, Fengyi; Kang, Lijuan; Li, Genbao; Li, Dunhai; Liu, Yongding; Shen, Yinwu; Wei, Zhihong.Morphological characteristics and phylogenetic relationship of Anabaena species from Lakes Dianchi and Erhai, China,HYDROBIOLOGIA,2008,614(1):353-362
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