| 中国蓝藻的新记录属——双囊藻属(Geminocystis)及分类和生态学讨论 |
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| 引用本文： | 马苏超,王一郎,敖鸿毅,虞功亮,李守淳,李仁辉.中国蓝藻的新记录属——双囊藻属(Geminocystis)及分类和生态学讨论[J].湖泊科学,2019,31(1):236-242. |
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| 作者姓名： | 马苏超 王一郎 敖鸿毅 虞功亮 李守淳 李仁辉 |
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| 作者单位： | 江西师范大学生命科学学院,南昌,330000;中国科学院藻类生物学重点实验室, 武汉 430072;中国科学院大学, 北京 100049;中国科学院藻类生物学重点实验室,武汉,430072 |
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| 基金项目： | 国家科技基础性工作专项（2014FY210700）资助. |
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| 摘 要： | 现代分子生物学技术为蓝藻的生物多样性研究提供了更多信息和证据.单细胞蓝藻——双囊藻属（Geminocystis）是2009年从集胞藻（Synechocystis）分离出来的新属.2017年5月从青海湖的封闭子湖——月牙湖采集分离到一株单细胞蓝藻藻株，16S rRNA基因序列显示此藻株和双囊藻的藻种显示出最高的相似性，都在97%以上，并且在分子系统树聚为一束.此株的细胞结构以及超微结构显示，细胞纵轴具有窝式结构以及类囊体不规则的排列等双囊藻属所具有的特征.双囊藻是我国蓝藻的新报道纪录属，本研究还对双囊藻的分类和生态进行了讨论.
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| 关 键 词： | 双囊藻 蓝藻 多样性 分类 16S rRNA 新纪录属 青海湖 |
| 收稿时间： | 2018/3/25 0:00:00 |
| 修稿时间： | 2018/5/10 0:00:00 |
A newly recorded cyanobacterial genus Geminocystis in China and its taxonomic and ecological notes |
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| MA Suchao,WANG Yilang,AO Hongyi,YU Gongliang,LI Shouchun and LI Renhui.A newly recorded cyanobacterial genus Geminocystis in China and its taxonomic and ecological notes[J].Journal of Lake Science,2019,31(1):236-242. |
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| Authors: | MA Suchao WANG Yilang AO Hongyi YU Gongliang LI Shouchun and LI Renhui |
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| Institution: | College of Life Science, Jiangxi Normal University, Nanchang 330000, P. R. China,Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P. R. China;University of Chinese Academy of Sciences, Beijing 100049, P. R. China,Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P. R. China,Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P. R. China,College of Life Science, Jiangxi Normal University, Nanchang 330000, P. R. China and Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P. R. China |
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| Abstract: | Modern molecular biological technology has provided much information and evidence for cyanobacterial diversity. Unicellular cyanobacterial genus Geminocystis was established in 2009 by separating from Synechocystis. In this study, a cyanobacterial strain was isolated in May 2017 from Lake Yueya-a small and enclosed lake close to the Lake Qinghai. This strain shows the close similarities of 16S rRNA gene sequences to the strains of Geminocystis as over 97%,and group with the strains into a cluster in the phylogenetic tree. The keritomized content and irregular arrangement of thylakoid in cells of this strain represent the unique features of the Geminocystis genus. The Geminocystis genus is firstly reported in China, and its taxonomic and ecological notes are discussion in this study. |
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| Keywords: | Geminocystis Cyanobacteria diversity taxonomy 16S rRNA new recorded genus Lake Qinghai |
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