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RADIATION RESISTANCE OF SOIL AZOTOBACTER.

Authors
  • VELVA, G R
  • WYSS, O
Type
Published Article
Journal
Journal of bacteriology
Publication Date
May 01, 1965
Volume
89
Pages
1280–1285
Identifiers
PMID: 14292998
Source
Medline
Keywords
License
Unknown

Abstract

Vela, Gerard R. (School of Aerospace Medicine, Brooks Air Force Base, Tex.), and Orville Wyss. Radiation resistance of soil Azotobacter. J. Bacteriol. 89:1280-1285. 1965.-Quantitative recovery of Azotobacter from soils subjected to gamma-radiation from a cobalt-60 source showed the soil populations to be much more highly resistant than isolates from such cultures grown on laboratory media. Even in the encysted state, the laboratory populations were reduced 10,000-fold by exposure to 200 kr, whereas the soil populations were not measurably reduced by that dose.

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