Arid
DOI10.1089/ast.2015.1324
Survival of Antarctic Cryptoendolithic Fungi in Simulated Martian Conditions On Board the International Space Station
Onofri, Silvano1; de Vera, Jean-Pierre2; Zucconi, Laura1; Selbmann, Laura1; Scalzi, Giuliano1; Venkateswaran, Kasthuri J.3; Rabbow, Elke4; de la Torre, Rosa5; Horneck, Gerda4
通讯作者Onofri, Silvano
来源期刊ASTROBIOLOGY
ISSN1531-1074
EISSN1557-8070
出版年2015
卷号15期号:12页码:1052-1059
英文摘要

Dehydrated Antarctic cryptoendolithic communities and colonies of the rock inhabitant black fungi Cryomyces antarcticus (CCFEE 515) and Cryomyces minteri (CCFEE 5187) were exposed as part of the Lichens and Fungi Experiment (LIFE) for 18 months in the European Space Agency’s EXPOSE-E facility to simulated martian conditions aboard the International Space Station (ISS). Upon sample retrieval, survival was proved by testing colony-forming ability, and viability of cells (as integrity of cell membrane) was determined by the propidium monoazide (PMA) assay coupled with quantitative PCR tests. Although less than 10% of the samples exposed to simulated martian conditions were able to proliferate and form colonies, the PMA assay indicated that more than 60% of the cells and rock communities had remained intact after the Mars exposure. Furthermore, a high stability of the DNA in the cells was demonstrated. The results contribute to assessing the stability of resistant microorganisms and biosignatures on the surface of Mars, data that are valuable information for further search-for-life experiments on Mars.


英文关键词Endoliths Eukaryotes Extremophilic microorganisms Mars Radiation resistance
类型Article
语种英语
国家Italy ; Germany ; USA ; Spain
收录类别SCI-E
WOS记录号WOS:000366722500003
WOS关键词LOW-EARTH-ORBIT ; EXPOSE-R FACILITY ; DESERT CYANOBACTERIUM CHROOCOCCIDIOPSIS ; COSMIC-RADIATION EXPOSURE ; AMINO EXPERIMENT ; E MISSION ; BLACK FUNGI ; OUTER-SPACE ; MARS ; LIFE
WOS类目Astronomy & Astrophysics ; Biology ; Geosciences, Multidisciplinary
WOS研究方向Astronomy & Astrophysics ; Life Sciences & Biomedicine - Other Topics ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/186010
作者单位1.Univ Tuscia, Dept Ecol & Biol Sci, I-01100 Viterbo, Italy;
2.German Aerosp Ctr DLR, Inst Planetary Res, Berlin, Germany;
3.CALTECH, Jet Prop Lab, Pasadena, CA USA;
4.German Aerosp Ctr DLR, Inst Aerosp Med, Cologne, Germany;
5.Spanish Aerosp Res Estab INTA, Dept Earth Observat, Madrid, Spain
推荐引用方式
GB/T 7714
Onofri, Silvano,de Vera, Jean-Pierre,Zucconi, Laura,et al. Survival of Antarctic Cryptoendolithic Fungi in Simulated Martian Conditions On Board the International Space Station[J],2015,15(12):1052-1059.
APA Onofri, Silvano.,de Vera, Jean-Pierre.,Zucconi, Laura.,Selbmann, Laura.,Scalzi, Giuliano.,...&Horneck, Gerda.(2015).Survival of Antarctic Cryptoendolithic Fungi in Simulated Martian Conditions On Board the International Space Station.ASTROBIOLOGY,15(12),1052-1059.
MLA Onofri, Silvano,et al."Survival of Antarctic Cryptoendolithic Fungi in Simulated Martian Conditions On Board the International Space Station".ASTROBIOLOGY 15.12(2015):1052-1059.
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