对保存在永久冻土冰楔中2.5万年的细菌进行系统发育分析。
Phylogenetic analysis of bacteria preserved in a permafrost ice wedge for 25,000 years.
作者信息
Katayama Taiki, Tanaka Michiko, Moriizumi Jun, Nakamura Toshio, Brouchkov Anatoli, Douglas Thomas A, Fukuda Masami, Tomita Fusao, Asano Kozo
机构信息
Laboratory of Applied Microbiology, Graduate School of Agriculture, Hokkaido University, Sapporo, Hokkaido, Japan.
出版信息
Appl Environ Microbiol. 2007 Apr;73(7):2360-3. doi: 10.1128/AEM.01715-06. Epub 2007 Feb 9.
Abstract
Phylogenetic analysis of bacteria preserved within an ice wedge from the Fox permafrost tunnel was undertaken by cultivation and molecular techniques. The radiocarbon age of the ice wedge was determined. Our results suggest that the bacteria in the ice wedge adapted to the frozen conditions have survived for 25,000 years.
摘要
通过培养和分子技术对取自福克斯多年冻土隧道冰楔中的细菌进行了系统发育分析。测定了冰楔的放射性碳年龄。我们的结果表明，适应冰冻条件的冰楔中的细菌已经存活了25000年。
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