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Cited by 259

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Microbial Populations in Antarctic Permafrost: Biodiversity, State, Age, and Implication for Astrobiology

Gilichinsky, D.A., Wilson, G.S., Friedmann, E.I., Mckay, C.P., Sletten, R.S., Rivkina, E.M., Vishnivetskaya, T.A., Erokhina, L.G., Ivanushkina, N.E., Kochkina, G.A., Shcherbakova, V.A., Soina, V.S., Spirina, E.V., Vorobyova, E.A., Fyodorov-Davydov, D.G., Hallet, B., Ozerskaya, S.M., Sorokovikov, V.A., Laurinavichyus, K.S., Shatilovich, A.V., Chanton, J.P., Ostroumov, V.E., Tiedje, J.M.·2007·Astrobiology

Abstract

Antarctic permafrost soils have not received as much geocryological and biological study as has been devoted to the ice sheet, though the permafrost is more stable and older and inhabited by more microbes. This makes these soils potentially more informative and a more significant microbial repository than ice sheets. Due to the stability of the subsurface physicochemical regime, Antarctic permafrost is not an extreme environment but a balanced natural one. Up to 10(4) viable cells/g, whose age presumably corresponds to the longevity of the permanently frozen state of the sediments, have been isolated from Antarctic permafrost. Along with the microbes, metabolic by-products are preserved. This presumed natural cryopreservation makes it possible to observe what may be the oldest microbial communities on Earth. Here, we describe the Antarctic permafrost habitat and biodiversity and provide a model for martian ecosystems.

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Metadata

Authors
Gilichinsky, D. A., Wilson, G. S., Friedmann, E. I., Mckay, C. P., Sletten, R. S., Rivkina, E. M., Vishnivetskaya, T. A., Erokhina, L. G., Ivanushkina, N. E., Kochkina, G. A., Shcherbakova, V. A., Soina, V. S., Spirina, E. V., Vorobyova, E. A., Fyodorov-Davydov, D. G., Hallet, B., Ozerskaya, S. M., Sorokovikov, V. A., Laurinavichyus, K. S., Shatilovich, A. V., Chanton, J. P., Ostroumov, V. E., & Tiedje, J. M.
Venue
Astrobiology
Published
2007-04
Volume
7
Issue
2
Pages
275-311
ISSN
  • 1531-1074 (ISSN-L)
  • 1557-8070
OpenAlex
W1971632020
Cited by
259
References
93
FWCI
12.80
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Microbial Populations in Antarctic Permafrost: Biodiversity, State, Age, and Implication for Astrobiology. https://app.cochat.ai/papers/10.1089/ast.2006.0012
The paper
Gilichinsky, D. A., Wilson, G. S., Friedmann, E. I., Mckay, C. P., Sletten, R. S., Rivkina, E. M., Vishnivetskaya, T. A., Erokhina, L. G., Ivanushkina, N. E., Kochkina, G. A., Shcherbakova, V. A., Soina, V. S., Spirina, E. V., Vorobyova, E. A., Fyodorov-Davydov, D. G., Hallet, B., Ozerskaya, S. M., Sorokovikov, V. A., Laurinavichyus, K. S., . . . Tiedje, J. M. (2007). Microbial Populations in Antarctic Permafrost: Biodiversity, State, Age, and Implication for Astrobiology. Astrobiology. https://doi.org/10.1089/ast.2006.0012

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.