Basic aspects of radiation action on microorganisms. Progress report, April 1, 1975--March 31, 1976. [Radioinduced mutogenesis of E. coli]
Results of studies on the effects of irradiation on Escherichia coli showed that error-prone repair mutagenesis can be induced by ionizing radiation and uv light; induced single-strand DNA break repair has been confirmed and its characterization is in process; and there is clearly a separation between the induction of lambda and other phenomena. The dose-effect relationship differs and the phenomenon of radioresistance is removed. The action spectra for uv induced mutagenesis was plotted. (CH)
- Research Organization:
- Pennsylvania State Univ., University Park (USA)
- OSTI ID:
- 7151827
- Report Number(s):
- COO-2362-21
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560131* -- Radiation Effects on Microorganisms-- Basic Studies-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BACTERIA
BACTERIOPHAGES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BIOLOGICAL RECOVERY
BIOLOGICAL REPAIR
DNA
DOSE-RESPONSE RELATIONSHIPS
ELECTROMAGNETIC RADIATION
ESCHERICHIA COLI
HOST-CELL REACTIVATION
IONIZING RADIATIONS
MICROORGANISMS
MUTAGENESIS
MUTATIONS
NUCLEIC ACIDS
ORGANIC COMPOUNDS
PARASITES
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RECOVERY
REPAIR
STRAND BREAKS
ULTRAVIOLET RADIATION
VIRUSES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BACTERIA
BACTERIOPHAGES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BIOLOGICAL RECOVERY
BIOLOGICAL REPAIR
DNA
DOSE-RESPONSE RELATIONSHIPS
ELECTROMAGNETIC RADIATION
ESCHERICHIA COLI
HOST-CELL REACTIVATION
IONIZING RADIATIONS
MICROORGANISMS
MUTAGENESIS
MUTATIONS
NUCLEIC ACIDS
ORGANIC COMPOUNDS
PARASITES
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RECOVERY
REPAIR
STRAND BREAKS
ULTRAVIOLET RADIATION
VIRUSES