Glutathione in Escherichia coli is dispensable for resistance to H<sub>2</sub>O<sub>2</sub> and gamma radiation

Greenberg, J.T.; Demple, B.

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Glutathione in Escherichia coli is dispensable for resistance to H₂O₂ and gamma radiation

Greenberg, J.T.; Demple, B.1986

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AbstractAbstract

[en] Escherichia coli devoid of glutathione (because of transposon insertions in the gshA gene) has normal resistance to H₂O₂, cumene hydroperoxide, heat, or ionizing radiation. Intracellular glutathione thus does not protect E. coli from such lethal oxidative damage. The use of gshA::Tn10 mutants also revealed a glutathione-independent, H₂O₂-inducible resistance to N-ethylmaleimide

Primary Subject

RADIATION PROTECTION AND DOSIMETRY (C5230)

Secondary Subject

RADIATION, THERMAL, AND OTHER ENVIRONMENTAL POLLUTANT EFFECTS ON LIVING ORGANISMS AND BIOLOGICAL MATERIALS (C1200)

Record Type

Journal Article

Journal

Journal of Bacteriology; ISSN 0021-9193;

; CODEN JOBAA; v. 168(2); p. 1026-1029

Country of publication

United States

Descriptors (DEI)

BIOLOGICAL EFFECTS, BIOLOGICAL FUNCTIONS, BIOLOGICAL RADIATION EFFECTS, ESCHERICHIA COLI, GAMMA RADIATION, GLUTATHIONE, HYDROGEN PEROXIDE, HYPERTHERMIA, MUTATIONS, RADIOSENSITIVITY, SENSITIVITY, TOXICITY

Descriptors (DEC)

BACTERIA, BODY TEMPERATURE, DRUGS, ELECTROMAGNETIC RADIATION, HYDROGEN COMPOUNDS, IONIZING RADIATIONS, MICROORGANISMS, ORGANIC COMPOUNDS, OXYGEN COMPOUNDS, PEPTIDES, PEROXIDES, POLYPEPTIDES, PROTEINS, RADIATION EFFECTS, RADIATIONS, RADIOPROTECTIVE SUBSTANCES, RESPONSE MODIFYING FACTORS

Reference NumberReference Number

18041097

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