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Akademický článek
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Publikováno v:
Advances in Space Research. 12:103-110
The peculiarities and mechanisms of the mutagenic action of gamma-rays and heavy ions on bacterial cells have been investigated. Direct mutations in the lac-operon of E. coli in wild type cells and repair deficient strains have been detected. Further
Publikováno v:
Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis. 210:221-226
Determination de l'efficacite biologique relative des ions lourds et des particules α sur 3 souches de Salmonella dans le cadre du test Ames
Publikováno v:
Mutation research. 215(1)
The effectiveness of heavy ions in inducing the SOS response in E. coli cells has been measured by means of the SOS-chromotest. The SOS induction potency of ionizing radiation increases with increasing LET, to 40–60 keV/μm, reaches a maximum and t
Publikováno v:
Radiobiologiia. 29(1)
In studying E. coli mutation rate as a function of dose of different types of ionizing radiation it was found that mutagenic efficiency of helium ions (LET-22, 54 and 72 keV/microns) was higher than that of gamma-rays. As LET increased the mutagenic
Publikováno v:
Quantitative Mathematical Models in Radiation Biology ISBN: 9783540504535
In addition to lethal effects, mutagenic effects of ionizing radiations are investigated in many centres. A very convenient object for these studies is Escherichia coli owing to the fact that the pathways of DNA repair are well known and that there a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::127cc9efb09142c17ef38ec4b34adf91
https://doi.org/10.1007/978-3-642-46656-4_7
https://doi.org/10.1007/978-3-642-46656-4_7
Publikováno v:
Mutation research. 227(4)
Induction of direct mutations in the lactose operon of E. coli cells by γ-radiation and accelerated heavy ions with different LET was studied. The experiments were performed with the wild-type PolA and LexA strains. A quadratic dependence of the mut
Publikováno v:
Radiobiologiia. 29(1)
The influence of preirradiation cultivation conditions on the survival rate and mutation frequency in gamma-irradiated E. coli AB 1,157 and Hfr has been investigated. Radiosensitivity of cells and mutagenesis have been shown to vary depending on the