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学科主题: Biochemistry & Molecular Biology; Plant Sciences
题名: Genetic diversity: Geographical distribution and toxin profiles of Microcystis strains (Cyanobacteria) in China
作者: Wu, Zhong-Xing; Gan, Nan-Qin; Song, Li-Rong
通讯作者: Song, LR, Chinese Acad Sci, State key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: diversity ; geographical distribution ; microcystin ; Microcystis
刊名: JOURNAL OF INTEGRATIVE PLANT BIOLOGY
发表日期: 2007-03-01
DOI: 10.1111/j.1672-9072.2006.00368.x
卷: 49, 期:3, 页:262-269
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, State key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biochemistry & Molecular Biology ; Plant Sciences
研究领域[WOS]: Biochemistry & Molecular Biology ; Plant Sciences
摘要: Twenty strains of Microcystis Kutz were isolated from different freshwater bodies in China to analyze the diversity, geographical distribution and toxin profiles. Based on whole-cell polymerase chain reaction of cpcBA-IGS nucleotide sequence, the derived neighbor-joining (NJ) and maximum parsimony (MP) trees indicate that these strains of Microcystis can be divided into four clusters. The strains from south, middle and north region of China formed distinct lineages, suggesting high diversity and a geographical distribution from south to north locations. Moreover, the results being indicating high variable genotypes of the strains of the Microcystis strains from the same lake show that there is high diversity of Microcystis within a water bloom population. Comparing the results of the present study with those reported for compared with 43 strains of Microcystis from other locations, also reveals Chinese strains have high similarity with those from regions in the North Hemispherical. This suggests that the Microcystis strains in the world might have a geographical distribution. Analysis of 30 strains using the primers MCF/TER and TOX2P/TOX2M showed that there was no correlation between the gene of cpcBA-IGS and the presence of mcy. Toxic strains were founded to be predominant in different water bodies throughout China.
英文摘要: Twenty strains of Microcystis Kutz were isolated from different freshwater bodies in China to analyze the diversity, geographical distribution and toxin profiles. Based on whole-cell polymerase chain reaction of cpcBA-IGS nucleotide sequence, the derived neighbor-joining (NJ) and maximum parsimony (MP) trees indicate that these strains of Microcystis can be divided into four clusters. The strains from south, middle and north region of China formed distinct lineages, suggesting high diversity and a geographical distribution from south to north locations. Moreover, the results being indicating high variable genotypes of the strains of the Microcystis strains from the same lake show that there is high diversity of Microcystis within a water bloom population. Comparing the results of the present study with those reported for compared with 43 strains of Microcystis from other locations, also reveals Chinese strains have high similarity with those from regions in the North Hemispherical. This suggests that the Microcystis strains in the world might have a geographical distribution. Analysis of 30 strains using the primers MCF/TER and TOX2P/TOX2M showed that there was no correlation between the gene of cpcBA-IGS and the presence of mcy. Toxic strains were founded to be predominant in different water bodies throughout China.
关键词[WOS]: PHYCOCYANIN INTERGENIC SPACER ; GENUS MICROCYSTIS ; POLYMORPHISMS ; TOXIGENICITY ; VARIABILITY ; SEQUENCE ; 16S
语种: 英语
WOS记录号: WOS:000244645200002
ISSN号: 1672-9072
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8676
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, State key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China

Recommended Citation:
Wu, Zhong-Xing; Gan, Nan-Qin; Song, Li-Rong.Genetic diversity: Geographical distribution and toxin profiles of Microcystis strains (Cyanobacteria) in China,JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2007,49(3):262-269
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