期刊
ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES
卷 44, 期 3, 页码 231-237出版社
SPRINGER
DOI: 10.1007/s11084-014-9397-y
关键词
Extremophiles; Temperature resistance; UV resistance; Mars simulated conditions
类别
资金
- MIUR-Ministero dell'Istruzione, dell'Universita e della Ricerca [PON01_01966]
In this work we investigated the ability of four extremophilic bacteria from Archaea and Bacteria domains to resist to space environment by exposing them to extreme conditions of temperature, UV radiation, desiccation coupled to low pressure generated in a Mars' conditions simulator. All the investigated extremophilic strains (namely Sulfolobus solfataricus, Haloterrigena hispanica, Thermotoga neapolitana and Geobacillus thermantarcticus) showed a good resistance to the simulation of the temperature variation in the space; on the other hand irradiation with UVat 254 nm affected only slightly the growth of H. hispanica, G. thermantarcticus and S. solfataricus; finally exposition to Mars simulated condition showed that H. hispanica and G. thermantarcticus were resistant to desiccation and low pressure.
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