Differential Modification of Oxic and Anoxic Components of Radiation Damage in Bacillus Megaterium Spores by Caffeine

References

• Adams G.E., Boag J.W., Current J., Michael B.D. Organic compounds and the OH radical. Pulse Radiolysis, M. Ebert, J.P. Keene, A.J. Swallow, J.H. Baxendale. Academic Press, London and New York 1965; 131–143
   Google Scholar
• Afzal S.M.J., Kesavan P.C. Influence of seed moisture content and post-irradiation hydration temperature on the kinetics of reactivity towards oxygen or decay of oxygen-sensitive sites. International Journal of Radiation Biology 1979; 36: 161–176
   Web of Science ®Google Scholar
• Ahnström G. Repair processes in germinating seeds: Caffeine enhancement of damage induced by gamma-radiation and alkylating chemicals. Mutation Research 1974; 26: 99–103
   Google Scholar
• Back M.H., Miller N. Use of ferrous sulphate for X-ray dosimetry. Nature 1957; 179: 321–322
   Web of Science ®Google Scholar
• Bendigkeit H.E., Hanawalt P.C. Caffeine inhibition of DNA repair replication in Escherichia coli. Bacteriological Proceedings 1968; 36, abstract.
   Google Scholar
• Caldecott R.S., Johnson E.B., North D.T., Konzak C.F. Modification of radiation-induced injury by post-treatment with oxygen. Proceedings of the National Academy of Sciences, U.S.A. 1957; 43: 975–983
   Google Scholar
• Cleaver J.E., Thomas G.H. Single strand interruptions in DNA and the effects of caffeine in Chinese hamster cells irradiated with ultraviolet light. Biochemical and Biophysical Research Communications 1969; 36: 203–208
   PubMedGoogle Scholar
• Conger A.D. Biological after-effects and long lived free radicals in irradiated seeds. Journal of Cellular Comparative Physiology 1961; 58(1)27–32
   Google Scholar
• Cross M., Simic M., Powers E.L. Further evidence for a role of H2O2 in radiation sensitization of bacterial spores. International Journal of Radiation Biology 1973; 24: 207–211
   Google Scholar
• Dodd N.J.F., Ebert M. Effects of ionizing radiation on dried spores of Osmunda regalis. II. Modification of survival and its correlation with free radical changes. International Journal of Radiation Biology 1970; 18: 463–473
   Google Scholar
• Domon M., Rauth A.M. Effects of caffeine on ultraviolet irradiated mouse L cells. Radiation Research 1969; 39: 207–221
   Google Scholar
• Ewing D., Powers E.L. Irradiation of bacterial spores in water: three classes of oxygen-dependent damage. Science 1976; 194: 1049–1051
   PubMed Web of Science ®Google Scholar
• Ewing D., Powers E.L. Oxygen-dependent sensitization of irradiated cells. Radiation Biology in Cancer Research, R.E. Meyn, H.R. Withers. Raven Press, New York 1980; 143–168
   Google Scholar
• Fabre F. Relation between repair mechanisms and induced mitotic recombination after UV-irradiation in the yeast Schizosaccharomyces pombe. Effects of caffeine. Molecular and General Genetics 1972; 117: 153–166
   PubMedGoogle Scholar
• Gaudin D., Gregg R.S., Yielding K.L. Inhibition of DNA repair replication by DNA binding drugs which sensitize cells to alkylating agents and X-rays. Proceedings of the Society for Experimental Biology and Medicine 1972; 141: 543–547
   Google Scholar
• Hochanadel C.J. Effects of cobalt γ-radiation on water and aqueous solutions. Journal of Physical Chemistry 1952; 56: 587–594
   Web of Science ®Google Scholar
• Jensen R.H., Davidson N. Spectrophotometric and density gradient ultracentrifugation studies of the binding of silver ion by DNA. Biopolymers 1966; 4: 17–32
   Web of Science ®Google Scholar
• Kesavan P.C. Effect of caffeine and cysteine applied during post-irradiation hydration on an oxygen-independent component of damage in barley seeds. Radiation Botany 1973; 13: 355–359
   Web of Science ®Google Scholar
• Kesavan P.C. Physicochemical vis-a-vis biochemical interpretations of oxic protection and anoxic sensitization by chemicals. Proceedings of the Seventh International Congress of Radiation Research, Session B, Biology, J.J. Broerse, G.W. Barendsen, H.B. Kal, A.J. Van der Kogel. Martinus Nijhoff, The Hague 1983; B6–B15, abstract.
   Google Scholar
• Kesavan P.C., Afzal S.M.J. Dependence of chemical radioprotection on the stability of radiation-induced oxygen-sensitive sites. International Journal of Radiation Biology 1975; 28: 495–499
   Web of Science ®Google Scholar
• Kesavan P.C., Ahmad A. Modification of the radiosensitivity of barley seed by post-treatment with caffeine. III. Influence of dose of irradiation and concentration of caffeine. International Journal of Radiation Biology 1976; 29: 395–398
   Web of Science ®Google Scholar
• Kesavan P.C., Ahmad A. Modification of genetic damage by post-treatment with caffeine applied during oxygenated and oxygen-free hydration in Hordeum vulgare. Mutation Research 1974a; 23: 337–346
   Google Scholar
• Kesavan P.C., Ahmad A. Influence of caffeine and cysteine on post-irradiation oxygen-dependent and independent components of damage in Hordeum vulgare. Experientia 1974b; 30: 942–942
   Google Scholar
• Kesavan P.C., Dodd N.J.F. Modification of radiation-induced oxic and anoxic damage by caffeine and potassium permanganate in dry and pre-soaked barley seeds. International Journal of Radiation Biology 1976; 30: 171–178
   Web of Science ®Google Scholar
• Kesavan P.C., Nadkarni S. Modification of the radiosensitivity of barley seed by post-treatment with caffeine. IV. Effect of the moisture content of seed and storage temperature after irradiation. International Journal of Radiation Biology 1977; 31: 185–190
   Google Scholar
• Kesavan P.C., Sharma G.J., Afzal S.M.J. Differential modification of oxic and anoxic radiation damage by chemicals. 1. Simulation of the action of caffeine by certain inorganic radical scavengers. Radiation Research 1978; 75: 18–30
   Web of Science ®Google Scholar
• Kesavan P.C., Trasi S., Ahmad A. Modification of barley seed radiosensitivity by post-treatment with caffeine. 1. Effect of post-irradiation heat-shock and nature of hydration. International Journal of Radiation Biology 1973; 24: 581–587
   Web of Science ®Google Scholar
• Kihlman B.A. Caffeine and Chromosomes. Elsevier, Amsterdam, New York, Oxford 1977
   Google Scholar
• Lilie V.J., Beck G., Henglein A. Pulsradiolyse und Polarographie: Halbstufenpotentiale für die oxydation und reduktion von kurzlebigen organischen radikalen an der Hg-elektrode. Berichte der Bunsen-gesellschaft für Physikalishe Chemie 1971; 75: 458–465
   Google Scholar
• Mitznegg P., Heim F., Hach B., Säbel M. The effect of ageing, caffeine-treatment, and ionizing-radiation on nucleic acid synthesis in the mouse liver. Life Sciences 1971; 10: 1281–1292, Part II
   Web of Science ®Google Scholar
• Nadkarni S., Kesavan P.C. Modification of barley seed radiosensitivity by post-treatment with caffeine. II. Kinetics of decay of caffeine-reactive oxygen-sensitive sites. International Journal of Radiation Biology 1975; 27: 569–576
   Web of Science ®Google Scholar
• Powers E.L. The hydrated electron, the hydroxyl radical and hydrogen peroxide in radiation damage in cells. Israel Journal of Chemistry 1972; 10: 1199–1211
   Web of Science ®Google Scholar
• Powers E.L. Reversibility of X-irradiation-induced effect in dry biological systems. Journal of Cellular and Comparative Physiology 1961; 58(Suppl. 1)13–26
   PubMedGoogle Scholar
• Powers E.L., Cross M. Nitrous oxide as a sensitizer of bacterial spores to X-rays. International Journal of Radiation Biology 1970; 17: 501–514
   Web of Science ®Google Scholar
• Powers E.L., Cross M., Simic M. H2O2 and OH radicals in radiation inactivation of bacterial spores. International Journal of Radiation Biology 1972a; 22: 237–243
   Google Scholar
• Powers E.L., Ehret C.F., Bannon A. The membrane filter technique in radiation studies of spores of Bacillus megaterium. Applied Microbiology 1957; 5: 61–64
   PubMedGoogle Scholar
• Powers E.L., Richmond R.C., Simic M. OH radicals in radiation sensitization. Nature New Biology 1972b; 238: 260–261
   PubMedGoogle Scholar
• Richmond R.C., Simic M., Powers E.L. Radiation sensitivity of Bacillus megaterium spores in the presence of Co(III) complexes. Radiation Research 1975; 63: 140–148
   PubMed Web of Science ®Google Scholar
• Ts'o P.O.P., Lu P. Interaction of nucleic acids. I. Physical binding of thymine, adenine, steroids, and aromatic hydrocarbons to nucleic acids. Proceedings of the National Academy of Sciences 1964; 51: 17–24
   PubMed Web of Science ®Google Scholar
• Yamamoto K., Yamaguchi H. Inhibition by caffeine of the repair of the γ-ray-induced chromosome breaks in barley. Mutation Research 1969; 8: 428–430
   Google Scholar
• Żuk J., Swie⃛lińska Z. Effect of caffeine on nucleic acids and protein synthesis in Vicia faba. Mutation Research 1973; 17: 207–212
   Google Scholar