Response of Endolithic Organisms to Space Conditions (EXPOSE-R ENDO) - 04.04.18

Overview | Description | Applications | Operations | Results | Publications | Imagery

ISS Science for Everyone

Science Objectives for Everyone
The Response of Endolithic Organisms to Space Conditions (EXPOSE-R ENDO) experiment investigates the effects of space conditions on photosynthetic organisms. The EXPOSE programme is part of ESA’s research in astrobiology, i.e. the study of the origin, evolution and distribution of life in the universe. EXPOSE offers one to two years of exposure with full access to all components of the harsh space environment: cosmic radiation, vacuum, full-spectrum solar light including UV-C, freezing/thawing cycles, microgravity.
Science Results for Everyone
Information Pending

The following content was provided by Charles S. Cockell, and is maintained in a database by the ISS Program Science Office.
Information provided courtesy of the Erasmus Experiment Archive.
Experiment Details

OpNom:

Principal Investigator(s)
Charles S. Cockell, University of Edinburgh, Edinburgh, United Kingdom

Co-Investigator(s)/Collaborator(s)
H.G.M. Edwards, United Kingdom
D. Billi, Italy

Developer(s)
European Space Agency (ESA), Noordwijk, Netherlands

Sponsoring Space Agency
European Space Agency (ESA)

Sponsoring Organization
Information Pending

Research Benefits
Information Pending

ISS Expedition Duration
October 2008 - March 2011

Expeditions Assigned
18,19/20,21/22,23/24,25/26

Previous Missions
Information Pending

^ back to top

Experiment Description

Research Overview

The Response of Endolithic Organisms to Space Conditions (EXPOSE-R ENDO) experiment investigates the effects of space conditions on photosynthetic organisms. Specifically, this experiment examines isolated cells of Chroococcidiopsis, an Ultraviolet (UV) and desiccation resistant microorganism. It also examines a community of photosynthetic organisms within sections of porous rock, to investigate the protection provided by rock habitats against extreme environmental conditions.

Description


 

^ back to top

Applications

Space Applications
Expose-R contains a variety of biological samples including plant seeds, bacteria, fungi and ferns, which are exposed to the harsh space environment for 22 months, to gain a better understanding of how living things react to the conditions.

Earth Applications
Information Pending

^ back to top

Operations

Operational Requirements and Protocols

In order to study the impact of extraterrestrial UV radiation on microbial primary producers, organic compounds, including the cyanobacteria Chroococcidiopsis, were exposed to solar UV radiation. Reference samples were kept in darkness.

^ back to top

Decadal Survey Recommendations

Information Pending

^ back to top

Results/More Information

Information Pending

^ back to top

Results Publications

    Bryce CC, Horneck G, Rabbow E, Edwards H, Cockell CS.  Impact shocked rocks as protective habitats on an anoxic early Earth. International Journal of Astrobiology. 2015 January; 14(1): 115-122. DOI: 10.1017/S1473550414000123.

^ back to top

Ground Based Results Publications

    Rabbow E, Horneck G, Rettberg P, Schott J, Panitz C, L'Afflitto A, von Heise-Rotenburg R, Willnecker R, Baglioni P, Hatton JP, Dettmann J, Demets R, Reitz G.  EXPOSE, an Astrobiological Exposure Facility on the International Space Station - from Proposal to Flight. Origins of life and evolution of the biosphere: The Journal of the International Society for the Study of the Origin of Life. 2009; 39(6): 581-598. DOI: 10.1007/s11084-009-9173-6.

^ back to top

ISS Patents

^ back to top

Related Publications

    Rabbow E, Rettberg P, Barczyk S, Bohmeier M, Parpart A, Panitz C, Horneck G, Burfeindt J, Molter F, Jaramillo E, Pereira C, Weib P, Willnecker R, Demets R, Dettmann J, Reitz G.  The astrobiological mission EXPOSE-R on board of the International Space Station. International Journal of Astrobiology. 2015 January; 14(1): 3-16. DOI: 10.1017/S1473550414000202.

^ back to top

Related Websites
Expose-R-Endo Information from ESA's Erasmus Experiment Archive

^ back to top


Imagery

image
NASA Image: ISS018E013542 - Russian Cosmonaut Yury Lonchakov in the Pirs Docking Compartment (DC1) as he works with an EXPOSE-R sample tray.

+ View Larger Image


image
NASA Image: ISS018E039227 - One of two Expedition 18 spacewalkers provided this close-up image of the Expose-R experiment, reinstalled a short while earlier on the outside of the Russian segment of the International Space Station. The European experiment is equipped with three trays which contain a variety of biological samples.

+ View Larger Image


image
NASA Image: ISS021E027095 - The Expose-R experiment located on the exterior of the Service Module (SM)/Zvezda.

+ View Larger Image


image
NASA Image: ISS025E015290 - Russian Cosmonaut Oleg Skripochka, Expedition 25 flight engineer, wearing a Russian Orlan spacesuit, is photographed working near the ESA experiment EXPOSE-R instrument installed on the Zvezda Service module. Photo taken during the Russian EVA 26.

+ View Larger Image


image
NASA Image: ISS026E021253 - EXPOSE R - Russian Experiment, in the Service Module (SM). Photo was taken during Expedition 26.

+ View Larger Image