Phylogenetic analysis of bacteria preserved in a permafrost ice wedge for 25,000 years.
نویسندگان
چکیده
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.
منابع مشابه
Draft Genome Sequence of Tomitella biformata AHU 1821T, Isolated from a Permafrost Ice Wedge in Alaska
Tomitella biformata AHU 1821(T) was isolated and cultured from a permafrost ice wedge, aged presumably about 25,000 years, in the Fox permafrost tunnel (64.952°N 147.617°W), Alaska. These genome data provide the basis for investigating T. biformata AHU 1821(T), identified as a long-term survivor of the extremely cold and closed environment.
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ورودعنوان ژورنال:
- Applied and environmental microbiology
دوره 73 7 شماره
صفحات -
تاریخ انتشار 2007