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  • Title: [Photogeneration of the superoxide anion oxygen radical and its role in the inactivation of yeast cells by long-wave UV light].
    Author: Pospelov ME, Fraĭkin GIa.
    Journal: Izv Akad Nauk SSSR Biol; 1989; (2):308-11. PubMed ID: 2545760.
    Abstract:
    Long-wave (320-400 nm) UV-induced oxygen superoxide anion radical (O2-) formation was found in yeast cells. This radical plays an important part in initiation of photodestruction reactions in DNA which serves as a main target of UV irradiation in yeast. The observed cell photoinactivation spectrum at the wavelengths 320-400 nm suggests that NADH can serve as an endogenous sensitizer of O2- formation.
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