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BIOMEX experiment: ultrastructural alterations, molecular damage and survival of the fungus Cryomyces antarcticus after the Experiment Verification Tests

Pacelli, C. and Selbmann, L. and Zucconi, L. and de Vera, Jean Pierre Paul and Rabbow, Elke and Horneck, G. and de la Torre, R. and Onofri, S. (2016) BIOMEX experiment: ultrastructural alterations, molecular damage and survival of the fungus Cryomyces antarcticus after the Experiment Verification Tests. Origins of Life and Evolution of Biospheres. Springer. DOI: 10.1007/s11084-016-9485-2 ISSN 0169-6149

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Abstract

The search for traces of extinct or extant life in extraterrestrial environments is one of the main goals for astrobiologists; due to their ability to withstand stress producing conditions, extremophiles are perfect candidates for astrobiological studies. The BIOMEX project aims to test the ability of biomolecules and cell components to preserve their stability under space and Mars-like conditions, while at the same time investigating the survival capability of microorganisms. The experiment has been launched into space and is being exposed on the EXPOSER2 payload, outside of the International Space Station (ISS) over a time-span of 1.5 years. Along with a number of other extremophilic microorganisms, the Antarctic cryptoendolithic black fungus Cryomyces antarcticus CCFEE 515 has been included in the experiment. Before launch, dried colonies grown on Lunar and Martian regolith analogues were exposed to vacuum, irradiation and temperature cycles in ground based experiments (EVT1 and EVT2). Cultural and molecular tests revealed that the fungus survived on rock analogues under space and simulated Martian conditions, showing only slight ultra-structural and molecular damage.

Item URL in elib:https://elib.dlr.de/103766/
Document Type:Article
Additional Information:Bisher nur online erschienen.
Title:BIOMEX experiment: ultrastructural alterations, molecular damage and survival of the fungus Cryomyces antarcticus after the Experiment Verification Tests
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pacelli, C.DECOS, Università degli Studi della Tuscia, Largo dell’Università, Viterbo, ItalyUNSPECIFIED
Selbmann, L.DECOS, Università degli Studi della Tuscia, Largo dell’Università, Viterbo, Italy;UNSPECIFIED
Zucconi, L.DECOS, Università degli Studi della Tuscia, Largo dell’Università, Viterbo, Italy;UNSPECIFIED
de Vera, Jean Pierre Pauljean-pierre.devera (at) dlr.deUNSPECIFIED
Rabbow, ElkeElke.Rabbow (at) dlr.dehttps://orcid.org/0000-0002-9301-2021
Horneck, G.Gerda.Horneck (at) dlr.deUNSPECIFIED
de la Torre, R.Earth Observation Department, INTA. Ctra. de Ajalvir, Km. 4, Torrejón de Ardoz, 28850 Madrid, SpainUNSPECIFIED
Onofri, S.DECOS, Università degli Studi della Tuscia, Largo dell’Università, Viterbo, Italy;UNSPECIFIED
Date:1 April 2016
Journal or Publication Title:Origins of Life and Evolution of Biospheres
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1007/s11084-016-9485-2
Publisher:Springer
ISSN:0169-6149
Status:Published
Keywords:BIOMEX; Cryptoendolithic black fungus; DNAdamage; Mars; Space simulations . Survival
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Vorhaben Exploration des Sonnensystems
Location: Berlin-Adlershof , Köln-Porz
Institutes and Institutions:Institute of Planetary Research > Leitungsbereich PF
Institute of Aerospace Medicine > Radiation Biology
Deposited By: de Vera, Dr. Jean Pierre Paul
Deposited On:07 Apr 2016 09:49
Last Modified:06 Sep 2019 15:29

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