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题名: Taxonomic and phylogenetic evaluation of Limnothrix strains (Oscillatoriales, Cyanobacteria) by adding Limnothrix planktonica strains isolated from central China
作者: Zhu, Mengling1, 2; Yu, Gongliang1; Li, Xiaochuang1, 2; Tan, Wenhua1, 2; Li, Renhui1
通讯作者: Li, RH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat Biol, Wuhan 430072, Hubei, Peoples R China.
关键词: Cyanobacteria ; Limnothrix ; Morphology ; Phylogeny ; Taxonomy
刊名: HYDROBIOLOGIA
发表日期: 2012-11-01
DOI: 10.1007/s10750-012-1127-8
卷: 698, 期:1, 页:367-374
收录类别: SCI
文章类型: Article
部门归属: [Zhu, Mengling; Yu, Gongliang; Li, Xiaochuang; Tan, Wenhua; Li, Renhui] Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat Biol, Wuhan 430072, Hubei, Peoples R China; [Zhu, Mengling; Li, Xiaochuang; Tan, Wenhua] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: China National Natural Science Foundation (NSFC) [30970185]; State Key Basic Research and Development Plan of China [2008CB418002]; Hubei Province Environmental Agency [Y03A061603]
类目[WOS]: Marine & Freshwater Biology
研究领域[WOS]: Marine & Freshwater Biology
摘要: Six Limnothrix strains, isolated for the first time from a shallow eutrophic lake in central China, were taxonomically and phylogenetically evaluated by investigating their polyphasic characteristics, including morphological features, cellular ultrastructures, and 16S rRNA gene sequences. All the six strains were morphologically similar, and their trichomes were in average 1.7 mu m wide and cells 4.0 mu m long, and having small gas vesicles within cells, and therefore identified as Limnothrix planctonica (Woloszynska) Meffert. Cellular ultrastructures of them showed that peripheral thylakoids with 3-5 parallel layers were parietally distributed in the cells. The phylogenetic results based on the 16S rRNA gene sequences showed that all the Limnothrix strains, including the six in this study and those from the Genbank, formed two distinct clusters. The similarity in 16S rDNA sequences between these two clusters was lower than 90%, indicating that these Limnothrix strains belong to different genera. This is the first report on the morphology and phylogeny of L. planctonica strains, providing the new information on taxonomy of the genus Limnothrix.
英文摘要: Six Limnothrix strains, isolated for the first time from a shallow eutrophic lake in central China, were taxonomically and phylogenetically evaluated by investigating their polyphasic characteristics, including morphological features, cellular ultrastructures, and 16S rRNA gene sequences. All the six strains were morphologically similar, and their trichomes were in average 1.7 mu m wide and cells 4.0 mu m long, and having small gas vesicles within cells, and therefore identified as Limnothrix planctonica (Woloszynska) Meffert. Cellular ultrastructures of them showed that peripheral thylakoids with 3-5 parallel layers were parietally distributed in the cells. The phylogenetic results based on the 16S rRNA gene sequences showed that all the Limnothrix strains, including the six in this study and those from the Genbank, formed two distinct clusters. The similarity in 16S rDNA sequences between these two clusters was lower than 90%, indicating that these Limnothrix strains belong to different genera. This is the first report on the morphology and phylogeny of L. planctonica strains, providing the new information on taxonomy of the genus Limnothrix.
关键词[WOS]: MOLECULAR CHARACTERIZATION ; LAKE ; SHALLOW ; REDEKEI ; KASTORIA ; GREECE ; MICROCYSTIS ; DIVERSITY
语种: 英语
WOS记录号: WOS:000309345700026
ISSN号: 0018-8158
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/17280
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 Aquat Biodivers & Conservat Biol, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Zhu, Mengling; Yu, Gongliang; Li, Xiaochuang; Tan, Wenhua; Li, Renhui.Taxonomic and phylogenetic evaluation of Limnothrix strains (Oscillatoriales, Cyanobacteria) by adding Limnothrix planktonica strains isolated from central China,HYDROBIOLOGIA,2012,698(1):367-374
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