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Quantitative ecology and dry-heat resistance of psychrophiles

Author
Winans, L., Jr.
Published
May 1, 1974.
Physical Description
1 electronic document
Online Version

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Summary
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.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19740023458.
Accession ID: 74N31571.
NASA-CR-139667.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15743324