http://www.sciencedirect.com/science/article/pii/S1674987111001319 |
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Authors: | Gaoyuan Li Hongchen Jiang Weiguo Hou Shang Wang Liuqin Huang Huilei Ren Shicai Deng Hailiang Dong |
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Institution: | 1. State Key Laboratory of Biogeology and Environmental Geology,China University of Geosciences,Beijing 100083,China 2. AE&E Geomicrobial Technologies,Inc.,Beijing 102200,China 3. State Key Laboratory of Biogeology and Environmental Geology,China University of Geosciences,Beijing 100083,China;Department of Geology and Environmental Earth Science,Miami University,Oxford,OH 45056,USA |
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Abstract: | The microbial diversity in Wuli Area, Qinghai-Tibetan Plateau was investigated using 16S
rRNA gene phylogenetic analyses. A total of 117 bacterial and 66 archaeal 16S rRNA gene clones were
obtained from the Wuli cold springs. The bacterial clones could be classified into Proteobacteria, Acidobacteria,
Deinococci, Sphingobacteria, Flavobacteria, Nitrospirae, Actinobacteria, Gemmatimonadetes,
and unclassified-bacteria; and the archaeal clones could be classified into Crenarchaeota and
Thaumarchaeota. Among the major groups, Proteobacteria and Crenarchaeota were dominant in the
bacterial and archaeal 16S rRNA gene clone libraries, respectively. The clone sequences obtained in Wuli
cold springs were closely related to those from cold habitats, such as snow/ice/soils on high mountains or
at high latitude. Especially, the microbial community composition of Wuli Area was more similar to that
in Tibetan glaciers than cold environments of other locations. The data presented in this study have implications
for a better understanding of microbial diversity in cold springs on the Qinghai-Tibetan Plateau. |
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Keywords: | Cold spring Microbial diversity Qinghai-Tibetan Plateau |
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