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Astrobiological field campaign to a volcanosedimentary mars analogue methane producing subsurface protected ecosystem: Imuruk Lake (Alaska)

AuthorsGómez-Gómez, Felipe ; Prieto-Ballesteros, Olga ; Fernández-Remolar, David ; Rodríguez-Manfredi, José Antonio ; Fernández-Sampedro, M. Teresa ; Postigo Cacho, Marina ; Torres-Redondo, Josefina ; Rodríguez, N.; Gómez-Elvira, Javier ; Amils, Ricardo
Issue DateMar-2011
CitationAdvances in Astronomy 2011: 953936 (2011)
AbstractViking missions reported adverse conditions for life in Mars surface. High hydrogen signal obtained by Mars orbiters has increased the interest in subsurface prospection as putative protected Mars environment with life potential. Permafrost has attracted considerable interest from an astrobiological point of view due to the recently reported results from the Mars exploration rovers. Considerable studies have been developed on extreme ecosystems and permafrost in particular, to evaluate the possibility of life on Mars and to test specific automated life detection instruments for space missions. The biodiversity of permafrost located on the Bering Land Bridge National Preserve has been studied as an example of subsurface protected niche of astrobiological interest. Different conventional (enrichment and isolation) and molecular ecology techniques (cloning, fluorescence >in situ> probe hybridization, FISH) have been used for isolation and bacterial identification.
Identifiersdoi: 10.1155/2011/953936
issn: 1687-7969
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