RESEARCH CHRONOLOGY

1952: Ph.D. Thesis on the chemistry of ribonucleic acid (RNA)

1952 - 1955: Further work on RNA

1956 - 1957: Effects of whole-body X-irradiation on the metabolism of deoxyribonucleic acid (DNA) and RNA in rat and mouse tissues

1958 - 1960: Chromatographic fractionation of DNA and RNA, especially, amino acid transfer RNA

1961 - 1962: Sensitization of bacteria to ultraviolet (UV) and X-irradiation by incorporating 5-bromouracil into DNA instead of thymine: the biology and the chemistry

1962 - 1969: DNA-protein crosslinking after the UV irradiation of bacteria: its discovery, chemistry, and biological importance

1962 - : Photochemistry and radiation chemistry of DNA, pyrimidines, and amino acids

1968 - : DNA repair processes after UV and X-irradiation; especially those that require genetic recombination: identification and genetic control

1976 - : Radiation and spontaneous mugtagenesis: mechanisms and genetic control