Interplanetary Transport of Microorganisms: Survival, Growth, and Adaptation

Details Interplanetary Transport of Microorganisms: Survival, Growth, and Adaptation Interplanetary Transport of Microorganisms: Survival, Growth, and Adaptation

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..420..381n&link_type=abstract

Bioastronomy 2007: Molecules, Microbes and Extraterrestrial Life ASP Conference Series, Vol. 420, proceedings of a workshop held

Astronomy and Astrophysics

Astronomy

Scientific paper

The primary objective of our current work is to investigate the factors in the martian environment limiting survival and growth of terrestrial bacteria known to contaminate robotic spacecraft, primarily bacterial spores. In Mars simulations, solar UV is the most rapidly lethal factor to cells and spores, but is easily shielded. Results from experiments under simulated Mars conditions indicate that growth of terrestrial bacteria is further constrained by extreme low pressure, atmospheric composition, and limited availability of liquid water and organic nutrients.

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