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Resistance of an Antarctic cryptoendolithic black fungus to radiation gives new insights of astrobiological relevance

Selbmann, Laura and Pacelli, Claudia and Zucconi, Laura and Dadachova, Ekaterina and Moeller, Ralf and de Vera, Jean-Pierre and Onofri, Silvano (2017) Resistance of an Antarctic cryptoendolithic black fungus to radiation gives new insights of astrobiological relevance. Fungal Biology. Elsevier. DOI: 10.1016/j.funbio.2017.10.012 ISSN 1878-6146

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Official URL: http://dx.doi.org/10.1016/j.funbio.2017.10.012

Abstract

The Antarctic black meristematic fungus Cryomyces antarcticus CCFEE 515 occurs endolithically in the McMurdo Dry Valleys of Antarctica, one of the best analogue for Mars environment on Earth. To date, this fungus is considered one of the best eukaryotic models for astrobiological studies and has been repeatedly selected for space experiments in the last decade. The obtained results are reviewed here, with special focus on responses to space relevant irradiation, UV radiation, and both sparsely and densely ionizing radiation, which represent the major injury for a putative space-traveller. The remarkable resistance of this model organism to space stress, its radioresistance in particular, and mechanisms involved, significantly contributed to expanding our concept of limits for life and provided new insights on the origin and evolution of life in planetary systems, habitability, and biosignatures for life detection as well as on human protection during space missions.

Item URL in elib:https://elib.dlr.de/115914/
Document Type:Article
Title:Resistance of an Antarctic cryptoendolithic black fungus to radiation gives new insights of astrobiological relevance
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Selbmann, LauraDepartment of Ecological and Biological Sciences (DEB), University of Tuscia, Largo Dell’Universitá Snc, 01100; selbmann (at) unitus.itUNSPECIFIED
Pacelli, ClaudiaDepartment of Ecological and Biological Sciences (DEB), University of Tuscia, Largo Dell’Universitá Snc, 01100; pacelli (at) unitus.itUNSPECIFIED
Zucconi, LauraDepartment of Ecological and Biological Sciences (DEB), University of Tuscia, Largo Dell’Universitá Snc, 01100; zucconi (at) unitus.itUNSPECIFIED
Dadachova, EkaterinaCollege of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Canada; ekaterina.dada-chova (at) usask.caUNSPECIFIED
Moeller, Ralfradiation biology department, institute of aerospace medicine, german aerospace center (dlr), cologne, germany; ralf.moeller (at) dlr.dehttps://orcid.org/0000-0002-2371-0676
de Vera, Jean-Pierreinstitute of planetary research, management and infrastructure, research group astrobiology laboratories, dlr, berlin, germany; jean-pierre.devera (at) dlr.dehttps://orcid.org/0000-0002-9530-5821
Onofri, SilvanoDepartment of Ecological and Biological Sciences (DEB), University of Tuscia, Largo Dell’Universitá Snc, 01100UNSPECIFIED
Date:2017
Journal or Publication Title:Fungal Biology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1016/j.funbio.2017.10.012
Publisher:Elsevier
ISSN:1878-6146
Status:Published
Keywords:Astrobiology, Desiccation, Melanin, Planetary protection, Radioprotection
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Vorhaben Strahlenbiologie, 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: Kopp, Kerstin
Deposited On:07 Dec 2017 13:19
Last Modified:08 Mar 2018 18:40

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