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Amino acids as a source of organic nitrogen in Antarctic endolithic microbial communities

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dc.contributor.author McDonald, G. en_US
dc.contributor.author Sun, H. en_US
dc.date.accessioned 2004-11-09T23:10:31Z
dc.date.available 2004-11-09T23:10:31Z
dc.date.issued 2002-12-06 en_US
dc.identifier.citation American Geophysical Union fall meeting en_US
dc.identifier.citation San Francisco, CA, USA en_US
dc.identifier.clearanceno 02-2976 en_US
dc.identifier.uri http://hdl.handle.net/2014/37217
dc.description.abstract In the Antarctic Dry Valleys, cryptoendolithic microbial communities occur within porous sandstone rocks. Current understanding of the mechanisms of physiological adaptation of these communities to the harsh Antarctic environment is limited, because traditional methods of studying microbial physiology are very difficult to apply to organisms with extremely low levels of metabolic activity. In order to fully understand carbon and nitrogen cycling and nutrient uptake in cryptoendolithic communities, and the metabolic costs that the organisms incur in order to survive, it is necessary to employ molecular geochemical techniques such as amino acid analysis in addition to physiological methods. en_US
dc.format.extent 2802243 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other Antarctica en_US
dc.title Amino acids as a source of organic nitrogen in Antarctic endolithic microbial communities en_US


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