The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars
The success of an astrobiological search for life campaign on Mars, or other planetary bodies in the Solar System, relies on the detectability of past or present microbial life traces, namely, biosignatures. Spectroscopic methods require little or no sample preparation, can be repeated almost endles...
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Multidisciplinary Digital Publishing Institute (MDPI)
2021
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Online Access: | https://elib.dlr.de/145551/ https://elib.dlr.de/145551/1/ME-SBA-2021-Pacelli-Rabbow-%20Biomex%20EVT%20Life%20Detection%20EXPOSE-R2-MDPI%20life.pdf https://www.mdpi.com/2075-1729/11/11/1212 |
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ftdlr:oai:elib.dlr.de:145551 2023-05-15T13:49:17+02:00 The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars Pacelli, Claudia Cassaro, Alessia Catanzaro, Ilaria Baqué, Mickael Maturilli, Alessandro Böttger, Ute Rabbow, Elke de Vera, Jean-Pierre Paul Onofri, Silvano 2021-11-09 application/pdf https://elib.dlr.de/145551/ https://elib.dlr.de/145551/1/ME-SBA-2021-Pacelli-Rabbow-%20Biomex%20EVT%20Life%20Detection%20EXPOSE-R2-MDPI%20life.pdf https://www.mdpi.com/2075-1729/11/11/1212 en eng Multidisciplinary Digital Publishing Institute (MDPI) https://elib.dlr.de/145551/1/ME-SBA-2021-Pacelli-Rabbow-%20Biomex%20EVT%20Life%20Detection%20EXPOSE-R2-MDPI%20life.pdf Pacelli, Claudia und Cassaro, Alessia und Catanzaro, Ilaria und Baqué, Mickael und Maturilli, Alessandro und Böttger, Ute und Rabbow, Elke und de Vera, Jean-Pierre Paul und Onofri, Silvano (2021) The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars. Life, 11 (11), Seite 1212. Multidisciplinary Digital Publishing Institute (MDPI). doi:10.3390/life11111212 <https://doi.org/10.3390/life11111212>. ISSN 2075-1729. cc_by CC-BY Strahlenbiologie Nutzerzentrum für Weltraumexperimente (MUSC) Planetare Labore Weltrauminstrumente Zeitschriftenbeitrag PeerReviewed 2021 ftdlr https://doi.org/10.3390/life11111212 2021-11-15T00:09:04Z The success of an astrobiological search for life campaign on Mars, or other planetary bodies in the Solar System, relies on the detectability of past or present microbial life traces, namely, biosignatures. Spectroscopic methods require little or no sample preparation, can be repeated almost endlessly, and can be performed in contact or even remotely. Such methods are therefore ideally suited to use for the detection of biosignatures, which can be confirmed with supporting instrumentation. Here, we discuss the use of Raman and Fourier Transform Infrared (FT-IR) spectroscopies for the detection and characterization of biosignatures from colonies of the fungus Cryomyces antarcticus, grown on Martian analogues and exposed to increasing doses of UV irradiation under dried conditions. The results report significant UV-induced DNA damage, but the non-exceeding of thresholds for allowing DNA amplification and detection, while the spectral properties of the fungal melanin remained unaltered, and pigment detection and identification was achieved via complementary analytical techniques. Finally, this work found that fungal cell wall compounds, likely chitin, were not degraded, and were still detectable even after high UV irradiation doses. The implications for the preservation and detection of biosignatures in extraterrestrial environments are discussed. Other Non-Article Part of Journal/Newspaper Antarc* antarcticus German Aerospace Center: elib - DLR electronic library Life 11 11 1212 |
institution |
Open Polar |
collection |
German Aerospace Center: elib - DLR electronic library |
op_collection_id |
ftdlr |
language |
English |
topic |
Strahlenbiologie Nutzerzentrum für Weltraumexperimente (MUSC) Planetare Labore Weltrauminstrumente |
spellingShingle |
Strahlenbiologie Nutzerzentrum für Weltraumexperimente (MUSC) Planetare Labore Weltrauminstrumente Pacelli, Claudia Cassaro, Alessia Catanzaro, Ilaria Baqué, Mickael Maturilli, Alessandro Böttger, Ute Rabbow, Elke de Vera, Jean-Pierre Paul Onofri, Silvano The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars |
topic_facet |
Strahlenbiologie Nutzerzentrum für Weltraumexperimente (MUSC) Planetare Labore Weltrauminstrumente |
description |
The success of an astrobiological search for life campaign on Mars, or other planetary bodies in the Solar System, relies on the detectability of past or present microbial life traces, namely, biosignatures. Spectroscopic methods require little or no sample preparation, can be repeated almost endlessly, and can be performed in contact or even remotely. Such methods are therefore ideally suited to use for the detection of biosignatures, which can be confirmed with supporting instrumentation. Here, we discuss the use of Raman and Fourier Transform Infrared (FT-IR) spectroscopies for the detection and characterization of biosignatures from colonies of the fungus Cryomyces antarcticus, grown on Martian analogues and exposed to increasing doses of UV irradiation under dried conditions. The results report significant UV-induced DNA damage, but the non-exceeding of thresholds for allowing DNA amplification and detection, while the spectral properties of the fungal melanin remained unaltered, and pigment detection and identification was achieved via complementary analytical techniques. Finally, this work found that fungal cell wall compounds, likely chitin, were not degraded, and were still detectable even after high UV irradiation doses. The implications for the preservation and detection of biosignatures in extraterrestrial environments are discussed. |
format |
Other Non-Article Part of Journal/Newspaper |
author |
Pacelli, Claudia Cassaro, Alessia Catanzaro, Ilaria Baqué, Mickael Maturilli, Alessandro Böttger, Ute Rabbow, Elke de Vera, Jean-Pierre Paul Onofri, Silvano |
author_facet |
Pacelli, Claudia Cassaro, Alessia Catanzaro, Ilaria Baqué, Mickael Maturilli, Alessandro Böttger, Ute Rabbow, Elke de Vera, Jean-Pierre Paul Onofri, Silvano |
author_sort |
Pacelli, Claudia |
title |
The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars |
title_short |
The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars |
title_full |
The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars |
title_fullStr |
The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars |
title_full_unstemmed |
The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars |
title_sort |
ground-based biomex experiment verification tests for life detection on mars |
publisher |
Multidisciplinary Digital Publishing Institute (MDPI) |
publishDate |
2021 |
url |
https://elib.dlr.de/145551/ https://elib.dlr.de/145551/1/ME-SBA-2021-Pacelli-Rabbow-%20Biomex%20EVT%20Life%20Detection%20EXPOSE-R2-MDPI%20life.pdf https://www.mdpi.com/2075-1729/11/11/1212 |
genre |
Antarc* antarcticus |
genre_facet |
Antarc* antarcticus |
op_relation |
https://elib.dlr.de/145551/1/ME-SBA-2021-Pacelli-Rabbow-%20Biomex%20EVT%20Life%20Detection%20EXPOSE-R2-MDPI%20life.pdf Pacelli, Claudia und Cassaro, Alessia und Catanzaro, Ilaria und Baqué, Mickael und Maturilli, Alessandro und Böttger, Ute und Rabbow, Elke und de Vera, Jean-Pierre Paul und Onofri, Silvano (2021) The Ground-Based BIOMEX Experiment Verification Tests for Life Detection on Mars. Life, 11 (11), Seite 1212. Multidisciplinary Digital Publishing Institute (MDPI). doi:10.3390/life11111212 <https://doi.org/10.3390/life11111212>. ISSN 2075-1729. |
op_rights |
cc_by |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3390/life11111212 |
container_title |
Life |
container_volume |
11 |
container_issue |
11 |
container_start_page |
1212 |
_version_ |
1766251117051641856 |