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    Quantitative ecology and dry-heat resistance of psychrophiles (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Microorganisms capable of growth at 7 C were enumerated and isolated from soil samples from the manufacture area (Denver, Colorado) and assembly area (Cape Kennedy, Florida) of the Viking spacecraft. Temperature requirements were determined for these isolates, and those growing at 3 C, but not at 32 C were designated as obligate psychrophiles in this investigation. These were identified to major generic groups, and the population density of obligate psychrophiles from the various groups was determined. Dry heat D-values were found for those spores that demonstrated growth or survival under a simulated Martian environment.
    Keywords: BIOSCIENCES
    Type: NASA-CR-139667
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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