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    Schuerger, Andrew C. Ulrich, Richard Berry, Bonnie J. and Nicholson, Wayne L. 2013. Growth ofSerratia liquefaciensunder 7 mbar, 0°C, and CO2-Enriched Anoxic Atmospheres. Astrobiology, Vol. 13, Issue. 2, p. 115.


    Zhang, Tao Xu, Jianhua Zeng, Jun and Lou, Kai 2013. Diversity of prokaryotes associated with soils around coal-fire gas vents in MaNasi county of Xinjiang, China. Antonie van Leeuwenhoek, Vol. 103, Issue. 1, p. 23.


    Soo, Rochelle M. Wood, Susanna A. Grzymski, Joseph J. McDonald, Ian R. and Cary, S. Craig 2009. Microbial biodiversity of thermophilic communities in hot mineral soils of Tramway Ridge, Mount Erebus, Antarctica. Environmental Microbiology, Vol. 11, Issue. 3, p. 715.


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  • International Journal of Astrobiology, Volume 5, Issue 2
  • April 2006, pp. 171-180

An analysis of potential photosynthetic life on Mars

  • John J. Sakon (a1) (a2) and Robert L. Burnap (a2) (a3)
  • DOI: http://dx.doi.org/10.1017/S1473550406003144
  • Published online: 23 October 2006
Abstract

This project researched the possibility of photosynthetic life on Mars. Cyanobacteria were used as potential analogs and were subjected to various Martian-simulated conditions. Synechocystis sp. PCC 6803 was exposed to low pressure, ultraviolet radiation and Martian-simulated atmospheric composition, and proved resistant to the combination of these stresses. However, this organism could neither grow within Martian Regolith Simulant, owing to the lack of soluble nitrogen, nor could it grow in cold temperatures. As a result, later research focused on psychrotolerant cyanobacteria capable of utilizing atmospheric nitrogen. These Antarctic nitrogen-fixing strains were able to grow in Martian Regolith Simulant at temperatures as low as 4 °C. In addition, they proved resistant to salinity, ultraviolet radiation and freeze/thaw conditions. These results suggest that Antarctic nitrogen-fixing cyanobacteria are good analogs for potential Martian life and should be considered in future exploratory missions for life on the red planet.

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International Journal of Astrobiology
  • ISSN: 1473-5504
  • EISSN: 1475-3006
  • URL: /core/journals/international-journal-of-astrobiology
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