RADIATION RESISTANCE DEVELOPMENT BY ESCHERICHIA COLI
Journal Article
·
· Canadian Journal of Public Health (Canada)
OSTI ID:4776553
During multiple exposures to a Co/sup 60/ source the resistance of E. coli to radiation increased 13-fold, the survival curve changing from a linear to a convex form. Except for an increased number of cells at the stationary phase, growth curves showed no change initially, but as resistance developed the lag phase lengthened and the number of cells in the stationary phase dropped. The resistant cells showed a loss of gas production from carbohydrate substrates and loss of ability to form indole from tryptophan. Highly resistant cells showed a high incidence of elongation, increased numbers of nuclear bodies, and development of coccoid buds. (H.H.D.)
- Research Organization:
- Dept. of National Health and Welfare, Ottawa
- NSA Number:
- NSA-17-001278
- OSTI ID:
- 4776553
- Journal Information:
- Canadian Journal of Public Health (Canada), Journal Name: Canadian Journal of Public Health (Canada) Vol. Vol: 53; ISSN CJPEA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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OSTI ID:4056751
Related Subjects
ALKYL RADICALS
AMIDES
AMINO ACIDS
ANIMAL CELLS
BACTERIA
BIOLOGY AND MEDICINE
BORON HYDRIDES
CARBOHYDRATES
COBALT 60
CYTOCHROMES
DIAGRAMS
DYES
ENZYMES
ESCHERICHIA COLI
FREE RADICALS
GAMMA RADIATION
GASES
INDOLES
IRRADIATION
METABOLISM
METHYLENE BLUE
NUCLEIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
RADIOSENSITIVITY
REACTION KINETICS
REDUCTION
SOLUTIONS
SULFITES
SURVIVAL TIME
TRYPTOPHAN
WATER
AMIDES
AMINO ACIDS
ANIMAL CELLS
BACTERIA
BIOLOGY AND MEDICINE
BORON HYDRIDES
CARBOHYDRATES
COBALT 60
CYTOCHROMES
DIAGRAMS
DYES
ENZYMES
ESCHERICHIA COLI
FREE RADICALS
GAMMA RADIATION
GASES
INDOLES
IRRADIATION
METABOLISM
METHYLENE BLUE
NUCLEIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
RADIOSENSITIVITY
REACTION KINETICS
REDUCTION
SOLUTIONS
SULFITES
SURVIVAL TIME
TRYPTOPHAN
WATER