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Molecular characterization of the planktonic microorganisms in water of two mountain brackish lakes

文献类型： 外文期刊

作者： Zeng, Jun 1 ; Deng, Li-Juan 1 ; Lou, Kai 1 ; Zhang, Tao 1 ; Yang, Hong-Mei 1 ; Shi, Ying-Wu 1 ; Lin, Qing 1 ;

作者机构： 1.Xinjiang Acad Agr Sci, Inst Microbiol, Urumqi, Peoples R China

2.Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Urban & Reg Ecol, Beijing, Peoples R China

关键词： 16S rRNA gene;Archaea;Bacteria;Microbial diversity;Mountain brackish lakes

期刊名称：JOURNAL OF BASIC MICROBIOLOGY （ 影响因子：2.281； 五年影响因子：2.516 ）

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收录情况： SCI

摘要： The prokaryotic diversity in two brackish lakes (Sayram Lake and Chaiwopu Lake) was investigated by constructing bacterial and archaeal clone libraries of 16S rRNA genes. Bacterial clones from Sayram Lake were classified into six phyla (Proteobacteria, Verrucomicrobia, Bacteroidetes, Planctomycetes, Acidobacteria, Actinobacteria). Of these, Proteobacteria and Verrucomicrobia were the most dominant, representing 50.4 and 16.8% of the clone library, respectively. Sequences related to Proteobacteria (58.1%), Cyanobacteria (17.2%), Bacteroidetes (15%), Verrucomicrobia (4.3%), Actinobacteria (3.2%) constituted over 97% of the bacterial clone library from Chaiwopu Lake. In addition, 58.8% (Sayram Lake) and 48% (Chaiwopu Lake) of bacterial clones showed high sequence identity to pure cultures. The composition of Archaea was obviously different between the two lakes. Only the Crenarchaeota phylum was found in the Sayram Lake, whereas Archaeal sequences from Chaiwopu Lake were classified into three phyla: Crenarchaeota (5.8%), Thaumarchaeota (81.2%), and Euryarchaeota (13%). Among the archaeal sequences, 94.2% were highly related to cultivable species of the genus Nitrosopumilus, Methanoculleus, and Methanobacterium. These results showed a high diversity of potential cultivable heterotrophic bacteria in Sayram Lake and Chaiwopu Lake. Chaiwopu Lake was a source of potentially novel, cultivable archaea.

  • 相关文献

[1]Prokaryotic diversity of an active mud volcano in the Usu City of Xinjiang, China. Yang, Hong-Mei,Lou, Kai,Sun, Jian,Zhang, Tao,Ma, Xiao-Long. 2012

[2]Illumina-based analysis of endophytic bacterial diversity and space-time dynamics in sugar beet on the north slope of Tianshan mountain. Shi, YingWu,Yang, Hongmei,Zhang, Tao,Sun, Jian,Lou, Kai.

[3]Large numbers of new bacterial taxa found by Yunnan Institute of Microbiology. Jiang Yi,Cao YanRu,Zhao LiXing,Tang ShuKun,Li WenJun,Xu Ping,Xu LiHua,Cao YanRu,Wang Yun,Lou Kai,Mao PeiHong. 2011

[4]Illumina-based analysis of bacterial diversity related to halophytes Salicornia europaea and Sueada aralocaspica. Sh, Ying-wu,Lou, Kai,Li, Chun,Wang, Lei,Zhao, Zhen-yong,Zhao, Shuai,Tian, Chang-yan. 2015

[5]Diversity of prokaryotes associated with soils around coal-fire gas vents in MaNasi county of Xinjiang, China. Lou, Kai,Zhang, Tao,Xu, Jianhua,Zeng, Jun. 2013

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