青藏高原北部冰川雪中细菌多样性的研究

XIE Jun,WANG Ning-lian,PU Jian-chen,CHEN Liang

Journal of Glaciology and Geocryology（2009）

Cited 25|Views9

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Abstract

通过细菌的分离培养和16S rDNA序列分析的方法,对青藏高原的小冬克玛底冰川、玉珠峰冰川和煤矿冰川雪中的可培养细菌数量和多样性进行了研究.结果表明:小冬克玛底冰川、玉珠峰冰川和煤矿冰川雪中的可培养细菌数量依次为18.54,35.52和58.07 CFU.mL-1.恢复出的细菌具有丰富的多样性,隶属于Bacteroidetes,Actinobacteria,Firmicutes和α,β,γ-Proteobacteria等6个类群.与青藏高原、南北极冰雪中微生物的比较分析发现Agrococcus,Zoogloea和Pedobacter属细菌是玉珠峰冰川和煤矿冰川的特殊微生物类群.

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Key words

glacial snow,Tibetan Plateau,culturable bacterial diversity,culturable bacterial abundance

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