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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.湖泊科学,2019,31(1):236-242. DOI:10.18307/2019.0122
MA Suchao,WANG Yilang,AO Hongyi,YU Gongliang,LI Shouchun,LI Renhui.A newly recorded cyanobacterial genus Geminocystis in China and its taxonomic and ecological notes. J. Lake Sci.2019,31(1):236-242. DOI:10.18307/2019.0122
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中国蓝藻的新记录属——双囊藻属(Geminocystis)及分类和生态学讨论
马苏超1, 王一郎2,3, 敖鸿毅2, 虞功亮2, 李守淳1, 李仁辉2
1.江西师范大学生命科学学院, 南昌 330000;2.中国科学院藻类生物学重点实验室, 武汉 430072;3.中国科学院大学, 北京 100049
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.
关键词:  双囊藻  蓝藻  多样性  分类  16S rRNA  新纪录属  青海湖
DOI:10.18307/2019.0122
分类号:
基金项目:国家科技基础性工作专项(2014FY210700)资助.
A newly recorded cyanobacterial genus Geminocystis in China and its taxonomic and ecological notes
MA Suchao1, WANG Yilang2,3, AO Hongyi2, YU Gongliang2, LI Shouchun1, LI Renhui2
1.College of Life Science, Jiangxi Normal University, Nanchang 330000, P. R. China;2.Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P. R. China;3.University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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.
Key words:  Geminocystis  Cyanobacteria  diversity  taxonomy  16S rRNA  new recorded genus  Lake Qinghai
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