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1977•International Journal of Radiation Biology and Related Studies in Physics Chemistry and MedicineRequires access

Bacterial Radiosensitization by 8-methoxypsoralen

J. Leslie Redpath, Mary Lou Tortorello

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Abstract

8-Methoxypsoralen has been shown to act as a radiosensitizer of hypoxic bacterial cells with uvrA, recA and uvrB and/or lexA mutations. No effect of the drug on the radiosensitivity of oxic bacteria with these mutations was observed. This drug differs from O2 and electron-affinic radiosensitizers in that its effect is not purely dose-modifying and can exceed the oxygen effect in certain mutants.

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What this paper is about

8-Methoxypsoralen has been shown to act as a radiosensitizer of hypoxic bacterial cells with uvrA, recA and uvrB and/or lexA mutations. No effect of the drug on the radiosensitivity of oxic bacteria with these mutations was observed. This drug differs from O2 and electron-affinic radiosensitizers in that its effect is not purely dose-modifying and can exceed the oxygen effect in certain mutants.

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Available abstract

8-Methoxypsoralen has been shown to act as a radiosensitizer of hypoxic bacterial cells with uvrA, recA and uvrB and/or lexA mutations. No effect of the drug on the radiosensitivity of oxic bacteria with these mutations was observed. This drug differs from O2 and electron-affinic radiosensitizers in that its effect is not purely dose-modifying and can exceed the oxygen effect in certain mutants.

Key concepts: Radiosensitizer, Radiosensitivity, Repressor lexA, Methoxsalen, Chemistry, Mutant, Radiation tolerance, Bacteria

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