Diversity of 16S rDNA and environmental factor influ-encing microorganisms in Malan ice core

查看全文 作　　者：ZHANG [1]Xiaojun;MA [1]Xiaojun;YAO [1]Tandong;ZHANG [1]Gaosen

机构地区：[1]Cold and Arid Regions Environmental Engineering Research Institute, Chinese Academy of Sciences,School of Life Science, Lanzhou University,Cold and Arid Regions Environmental Engineering Research Institute, Chinese Academy of Sciences,School of Life Science, Lanzhou University Lanzhou 730000, China,Lanzhou 730000, China,Lanzhou 730000, China,Lanzhou 730000, China

出　　处：《Chinese Science Bulletin》索引2003年第48卷第11期,共6页

基　　金：This work was supported by the Na-tional Major Development Program(Grant No.G1998040800);the National Science Fund for Distinguished Young Scholars(Grant No.49425101);the Innovation Project of the Chinese Academy of Sci-ences(Grant No.KZCX 1-10-02). 摘　　要：The research on extrempholic microorganisms in glacial low-temperature environment receives more attention than ever before. Due to the successive chronological records in ice core, it is important to initiate microbiological studies on ice core samples. 23 samples from one ice core, drilled from central Qinghai-Tibetan Plateau, were analyzed. The number of total microorganisms and culturable microorganisms in different layers showed that it related with the content of dust in ice. It is suggested that the distribution of microorganisms in ice depends on the transportation of materials during glacier development. The bacteria diversity in Malan Glacier was analyzed by 16S rDNA sequencing methods, which showed that many sequences were similar to known psychrophilic bacteria. 关键词：微生物青藏高原 RDNA 喜寒细菌低温环境冰冻层

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Diversity of 16S rDNA and environmental factor influ-encing microorganisms in Malan ice core

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