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ESA-space experiments: from BIOPAN 6 experiment "Lithopanspermia" to EXPOSE

de Vera, Jean Pierre Paul and Onofri, S. and de la Torre Noetzel, R. and Zucconi, L. and Selbmann, L. and Ott, S. and Demets, R. and Rabbow, Elke and Horneck, G. (2010) ESA-space experiments: from BIOPAN 6 experiment "Lithopanspermia" to EXPOSE. In: COSPAR 10 final program. COSPAR 2010, 18.-25. Jul. 2010, Bremen, Deutschland.

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Abstract

The experiment Lithopanspermia and the experiment Life: The concept of both of the space experiments is to expose different eukaryotic species as there are the lichens Xanthoria elegans, Rhizocarpon geographicum and their mycobiont cultures, the black Antarctic microfungi Cryomyces minteri and Cryomyces antarcticus and Antarctic rocks colonized by cryptoendolithic communities. The aim behind this space research is to analyze the likelihood of Panspermia, which means the interplanetary transfer of life. Whereas the BIOPAN 6 experiment is a short time space experiment with 10 days space exposure, the experiment on the EXPOSE platform on the ISS is a long term experiment of about 1 years of space exposure what is a good tool to realize the second scenario of Panspermia, which means the travel of microorganisms through space. Experiment verification tests: investigations on the mentioned eukaryotic model organisms were still done during experiment verification tests (EVTs) and indicated a relevant high survival capacity. Nearly 70 to 90% of the lichens and up to 70% black microfungi have survived the tests before space exposure experiments. This has been checked by culturing methods, by the use of LIVE/DEAD staining investigations and in case of lichens additionally by photosynthesis activity tests. Space exposure: samples of the same model organisms were used for the space exposure experiments partly on BIOPAN 6 (FOTON M3) and completely on the ISS. The exposure time was between 10 days and 1 years and the results are indicating still maintenance of viability and even a preserved physiologic activity.

Item URL in elib:https://elib.dlr.de/68113/
Document Type:Conference or Workshop Item (Speech)
Title:ESA-space experiments: from BIOPAN 6 experiment "Lithopanspermia" to EXPOSE
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
de Vera, Jean Pierre Pauljean-pierre.devera (at) dlr.deUNSPECIFIED
Onofri, S.DECOS, Università degli Studi della Tuscia, Largo dell’Università, Viterbo, Italy;UNSPECIFIED
de la Torre Noetzel, R.Department of Earth Observation, Area of Atmospheric Research and Instrumentation, INTA, 28850 Torrejón de Ardoz, Madrid, SpainUNSPECIFIED
Zucconi, L.DECOS, Università degli Studi della Tuscia, Largo dell’Università, Viterbo, Italy;UNSPECIFIED
Selbmann, L.DECOS, Università degli Studi della Tuscia, Largo dell’Università, Viterbo, Italy;UNSPECIFIED
Ott, S.Institute of Botany, Heinrich-Heine-University, Universitätsstr.1, 40225 Düsseldorf, GermanyUNSPECIFIED
Demets, R.ESA (European Space Agency),ESTEC, Noordwijk, the NetherlandsUNSPECIFIED
Rabbow, ElkeElke.Rabbow (at) dlr.dehttps://orcid.org/0000-0002-9301-2021
Horneck, G.gerda.horneck (at) dlr.deUNSPECIFIED
Date:2010
Journal or Publication Title:COSPAR 10 final program
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:space exposure experiments, EXPOSE, ISS, lichen, antarctic microfungi
Event Title:COSPAR 2010
Event Location:Bremen, Deutschland
Event Type:international Conference
Event Dates:18.-25. Jul. 2010
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Planetenforschung (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: de Vera, Dr. Jean Pierre Paul
Deposited On:10 Jan 2011 09:03
Last Modified:01 Dec 2018 19:47

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