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Genotypes of ITS region of rRNA in Microcystis (Cyanobacteria) populations in Erhai Lake (China) and their correlation with eutrophication level
Song, Gaofei1,2; Jiang, Yongguang1,3; Yu, Gongliang1; Li, Renhui1
2015-10-01
Source PublicationJOURNAL OF BASIC MICROBIOLOGY
ISSN0233-111X
Volume55Issue:10Pages:1203-1211
AbstractPrevious studies on spatiotemporal changes of Microcystis genotypes have shown that the existence and succession of dominant genotypes always occur in eutrophicated freshwater bodies. However, few studies have focused on the correlation between genotype composition and eutrophication level. In the present study, clone libraries of the internal transcribed spacer (ITS) of rrn operon were sequenced from Microcystis populations in Erhai Lake, a subtropical plateau lake in the preliminary eutrophication stage. The genotype composition of the Microcystis populations was highly variable at spatiotemporal scales, and 473 ITS genotypes were identified from the 800 ITS sequences obtained. However, no significantly dominant ITS genotypes existed in the lake. Comparison of Erhai Lake with four major lakes in China, namely, Taihu, Chaohu, Gucheng, and Shijiu Lakes, showed that the Microcystis ITS genotypes and genetic diversity were negatively correlated with eutrophication level. Extensive comparison of the Microcystis ITS genotypes from waters worldwide revealed that 440 ITS genotypes were unique to Erhai Lake, and no obvious phylogenetic correlations can be detected among the dominant genotypes from different water bodies. The high genetic diversity of the Microcystis populations in Erhai Lake may have resulted from the effect of the early stage of eutrophication.
SubtypeArticle
KeywordMicrocystis Bloom Its Genotype Eutrophication Level Diversity
DOI10.1002/jobm.201500080
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationNational Water Science and Technology Projects(2012ZX07105-004) ; National Water Science and Technology Projects(2012ZX07105-004) ; NSFC(31200355) ; NSFC(31200355) ; National Water Science and Technology Projects(2012ZX07105-004) ; National Water Science and Technology Projects(2012ZX07105-004) ; NSFC(31200355) ; NSFC(31200355)
Language英语
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS KeywordGENETIC DIVERSITY ; PHYTOPLANKTON BLOOMS ; WATER-QUALITY ; SPACER ; NITROGEN ; TAIHU ; 16S
WOS IDWOS:000363891600006
Funding OrganizationNational Water Science and Technology Projects(2012ZX07105-004) ; National Water Science and Technology Projects(2012ZX07105-004) ; NSFC(31200355) ; NSFC(31200355) ; National Water Science and Technology Projects(2012ZX07105-004) ; National Water Science and Technology Projects(2012ZX07105-004) ; NSFC(31200355) ; NSFC(31200355)
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27349
Collection藻类生物学及应用研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Hubei Province, Peoples R China
2.Grad Univ Chinese Acad Sci, Beijing, Peoples R China
3.Shenzhen Univ, Coll Life Sci, Shenzhen Key Lab Marine Bioresource & Ecoenvironm, Shenzhen, Peoples R China
Recommended Citation
GB/T 7714
Song, Gaofei,Jiang, Yongguang,Yu, Gongliang,et al. Genotypes of ITS region of rRNA in Microcystis (Cyanobacteria) populations in Erhai Lake (China) and their correlation with eutrophication level[J]. JOURNAL OF BASIC MICROBIOLOGY,2015,55(10):1203-1211.
APA Song, Gaofei,Jiang, Yongguang,Yu, Gongliang,&Li, Renhui.(2015).Genotypes of ITS region of rRNA in Microcystis (Cyanobacteria) populations in Erhai Lake (China) and their correlation with eutrophication level.JOURNAL OF BASIC MICROBIOLOGY,55(10),1203-1211.
MLA Song, Gaofei,et al."Genotypes of ITS region of rRNA in Microcystis (Cyanobacteria) populations in Erhai Lake (China) and their correlation with eutrophication level".JOURNAL OF BASIC MICROBIOLOGY 55.10(2015):1203-1211.
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