The Oxygen Effect in E. Coli WP2: The Role of the Photoreactivatable Component in Modification of the Oxygen Effect in E. Coli WP2 uvrA6

Summary The role of photo-products induced by secondary U.V. which accompanies high-energy gamma-radiations has been studied in bacteria in the presence and absence of oxygen. The photodamage makes an essential contribution to the lethal effect of ionizing radiation in U.V.-sensitive strains in anox...

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Veröffentlicht in:International journal of radiation biology 1983, Vol.44 (5), p.519-522
Hauptverfasser: Selyova, N.G., Skvortzov, V.G., Myasnik, M.N.
Format: Artikel
Sprache:eng
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Zusammenfassung:Summary The role of photo-products induced by secondary U.V. which accompanies high-energy gamma-radiations has been studied in bacteria in the presence and absence of oxygen. The photodamage makes an essential contribution to the lethal effect of ionizing radiation in U.V.-sensitive strains in anoxia and thus can influence the value of the oxygen effect. When the secondary U.V.-contribution was minimized (irradiation by X-rays or gamma-rays in the presence of 1 per cent nigrosine) the oxygen enhancement ratio was shown to increase and approximate to that for E. coli WP2 cells.
ISSN:0955-3002
0020-7616
1362-3095
DOI:10.1080/09553008314551521