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题名: Polyphasic characterization of Planktothrix spiroides sp nov (Oscillatoriales, Cyanobacteria), a freshwater bloom-forming alga superficially resembling Arthrospira
作者: Liu, Yang1, 2; Wang, Zhongjie1, 2; Lin, Shen1, 2; Yu, Gongliang1; Li, Renhui1
通讯作者: Li, RH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
关键词: Arthrospira ; Cyanobacteria ; Fatty acid ; Freshwater ; Molecular phylogeny ; Planktothrix
刊名: PHYCOLOGIA
发表日期: 2013-07-01
DOI: 10.2216/13-146.1
卷: 52, 期:4, 页:326-332
收录类别: SCI
文章类型: Article
部门归属: [Liu, Yang ; Wang, Zhongjie ; Lin, Shen ; Yu, Gongliang ; Li, Renhui] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China ; [Liu, Yang ; Wang, Zhongjie ; Lin, Shen] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: State Key Basic Research and Development Plan of China [2008CB418002]; National Water Science and Technology Projects [2012ZX07101-02]
类目[WOS]: Plant Sciences ; Marine & Freshwater Biology
研究领域[WOS]: Plant Sciences ; Marine & Freshwater Biology
摘要: In the present study, 24 cyanobacterial strains with regular helical trichomes were isolated from four different freshwater bodies in China. These strains were initially identified as a freshwater Arthrospira-like cyanobacterium. Analysis of their 16S ribosomal RNA gene sequences revealed that these strains formed a monophyletic group with Planktothrix. Further molecular phylogenetic analyses based on the cpcBA-IGS and rpoC1 genes supported the finding that these strains belonged to Planktothrix, not Arthrospira. In addition, the fatty acid composition showed that the strains contained 18:3 alpha but lacked 18:3 gamma, which was similar to Planktothrix. These results showed that the alga formed a new group within Planktothrix and that this group, which resembled Arthrospira in morphology, was unrelated to Arthrospira. The strains were distinct from previously described Planktothrix species, and therefore a new species, Planktothrix spiroides sp. nov., was established.
英文摘要: In the present study, 24 cyanobacterial strains with regular helical trichomes were isolated from four different freshwater bodies in China. These strains were initially identified as a freshwater Arthrospira-like cyanobacterium. Analysis of their 16S ribosomal RNA gene sequences revealed that these strains formed a monophyletic group with Planktothrix. Further molecular phylogenetic analyses based on the cpcBA-IGS and rpoC1 genes supported the finding that these strains belonged to Planktothrix, not Arthrospira. In addition, the fatty acid composition showed that the strains contained 18:3 alpha but lacked 18:3 gamma, which was similar to Planktothrix. These results showed that the alga formed a new group within Planktothrix and that this group, which resembled Arthrospira in morphology, was unrelated to Arthrospira. The strains were distinct from previously described Planktothrix species, and therefore a new species, Planktothrix spiroides sp. nov., was established.
关键词[WOS]: FATTY-ACID-COMPOSITION ; BLUE-GREEN-ALGAE ; SPIRULINA STRAINS ; GENETIC-CHARACTERIZATION ; PLATENSIS CYANOPHYTA ; ORIENTATION ; FUSIFORMIS ; CULTURE ; SPACER
语种: 英语
WOS记录号: WOS:000325964600002
ISSN号: 0031-8884
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19633
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Liu, Yang; Wang, Zhongjie; Lin, Shen; Yu, Gongliang; Li, Renhui.Polyphasic characterization of Planktothrix spiroides sp nov (Oscillatoriales, Cyanobacteria), a freshwater bloom-forming alga superficially resembling Arthrospira,PHYCOLOGIA,2013,52(4):326-332
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