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中国蓝藻植物的新记录属-拟甲色球藻
A NEW CYANOBACTERIAL GENUS CHROOCOCCIDIOPSIS (XENOCOCCACEAE) FROM CHINA

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文摘 拟甲色球藻(Chroococcidiopsis Geitler 1933)在全球分布广泛,并在极端环境下多有发现,但目前在中国尚无报道。研究在对太湖水体进行野外调查时观察到了水体中的Chroococcidiopsis,并分离得到纯培养藻株,编号为CHAB1690。拟甲色球藻属(Chroococcidiopsis)为我国新记录属,本文描述了该属的特征。对16SrRNA基因进行测序分析表明:CHAB1690与拟甲色球藻属的模式种温泉拟甲色球藻(Chroococcidiopsisthermalis)基因序列相似度仅为91%,暂未定种;CHAB1690与欧洲的两株未定种Chroococcidiopsis相似度较高,并与大多数拟甲色球藻(Chroococcidiopsis)聚集在一起,但仍有少数藻株聚集在距离较远的另一个类群。比较两个类群中藻株的最低相似率,结果表明,基于形态界定的拟甲色球藻属(Chroococcidiopsis)可能包含多个属。
其他语种文摘 Chroococcidiopsis, a unicellular cyanobacterial genus, distributes worldwide, and was found in extreme environments, but no Chroococcidiopsis species were reported from China. In this study, we successfully isolated a Chroococcidiopsis strain, encoded CHAB1690 from the Taihu Lake. This strain was morphologically similar to the hot spring species Chroococcidiopsis thermalis, however, low similarity of the 16S rRNA gene sequences (91%) and habitat difference distinguish this strain from C. thermalis. Including the Chroococcidiopsis CHAB1690 strain in the present study, the phylogeny based on the 16S rRNA gene sequences revealed that Chroococcidiopsis is a polypheletic genus, and the reported Chroococcidiopsis species need thoroughly polyphasic reexamination.
来源 水生生物学报 ,2013,37(3):413-417 【核心库】
关键词 蓝藻 ; 拟甲色球藻 ; 温泉拟甲色球藻 ; 分类 ; 新记录
地址

中国科学院水生生物研究所, 武汉, 430072

语种 中文
文献类型 研究性论文
ISSN 1000-3207
学科 植物学
基金 中国科学院知识创新工程项目
文献收藏号 CSCD:4859302

参考文献 共 18 共1页

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引证文献 2

1 Liu Miao MORPHOLOGICAL OBSERVATION AND RBCL SEQUENCE ANALYSIS OF A NEW SPECIES FROM CHINA, GRATELOUPIA BOAOENSIS WANG ET LUAN SP. NOV. (HALYMENIACEAE, RHODOPHYTA) 水生生物学报,2014,38(5):938-944
被引 3

2 刘菲 常州市春季PM_(2.5)中细菌群落特征及影响因素 中国环境科学,2018,38(9):3254-3261
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