Letter | Published:

Micro-organisms under a Simulated Martian Environment

Naturevolume 193page497 (1962) | Download Citation



MANY investigators speculating on the environmental conditions of Mars have concluded that some form of life exists there1–5. Fulton et al.6,7 have shown that several (unidentified) species of bacteria are able to survive under a simulated Martian atmosphere. No work, however, has been reported on the effect of these conditions on the physiology or the virulence of bacteria. In the work recorded here the anaerobic spore-forming organism Cl. botulinum and encapsulated facultative anaerobic organism K. pneumoniae were used to determine these effects.

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  1. 1

    Kuiper, G. P., The Atmospheres of the Earth and Planets (Univ. of Chicago Press, 1952).

  2. 2

    Sinton, W. M., Science, 130, 1234 (1959).

  3. 3

    Miller, S. L., and Urey, H. C., Science, 130, 245 (1959).

  4. 4

    Oparin, A. I., The Origin of Life, third ed. (Academic Press, New York, 1957).

  5. 5

    Huang, S. S., Sci. Amer., 202, No. 4, 55 (1960).

  6. 6

    Fulton, J. D., Physics and Medicine of the Atmosphere and Space, edit. by Benson, jun., O. O., and Strughold, H. (Wiley, New York, 1959).

  7. 7

    Davis, I., and Fulton, J. D., Aeromed. Rev., 2 (1959).

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  1. Armour Research Foundation of Illinois Institute of Technology, Technology Center, Chicago, 16



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