Affiliation:
1. Exobiology Division, Ames Research Center, Moffett Field, California 94035
Abstract
Cells of
Arthrobacter crystallopoietes
mixed in sand and air-dried have survived for up to 6 months after an initial period in which approximately half the cells lost their viability. Comparative survival curves have been obtained from inoculated sands maintained under CaSO
4
or P
2
O
5
. Selections for more desiccation-resistant progeny capable of surviving the initial period were unsuccessful. Both the coccoid and rod-shaped forms are equally resistant to several months of desiccation. Desiccated spherical cells converted 0.0005% of their cell carbon to carbon dioxide per hr, which corresponds to a half-life for self-consumption of approximately 12 years.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Reference16 articles.
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4. Long-term starvation survival of rod and spherical cells of Arthrobacter crystallopoietes;Boylen C. W.;J. Bacteriol.,1970
5. Survival of antarctic desert soil bacteria exposed to various temperatures and to three years of continuous medium high vacuum;Cameron R. E.;Jet Propulsion Laboratory Technical Report,1971
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