Radiation and Cellular Control Processes

Front Matter....Pages I-XIV
Introduction — On the Rationale of this Conference....Pages 1-2
Front Matter....Pages 3-3
Radiation Action on Biochemical Key Processes: An Introduction....Pages 5-17
On the Transcriptional Organization of the Ribosomal RNA Genes of Yeast....Pages 18-24
Control of DNA Polymerase Activity in Synchronized Growing Yeast after X-Irradiation....Pages 25-34
DNA-Specific Labelling by Deoxyribonucleoside 5′-Monophosphates in Saccharomyces cerevisiae ....Pages 35-40
Studies on DNA Synthesis in Saccharomyces cerevisiae ....Pages 41-47
Metabolism of Yeast Cells after UV-and X-Ray Irradiation....Pages 48-58
Synthesis of the Inducible Enzyme Arginase in Irradiated Yeast Cells....Pages 59-67
Synthesis of RNA after Irradiation in Resistant and Sensitive Strains of the Slime-Mould Dictyostelium discoideum ....Pages 68-79
Front Matter....Pages 81-81
Repair in Yeast....Pages 83-85
Properties and Function of Escherichia coli DNA Polymerase I....Pages 86-93
Action of Sublethal Concentrations of SO 2 on Repair by Budding Yeast after Ionizing and UV Radiation....Pages 94-100
Reparable and Irreparable Damage in Yeast Cells after Low LET-Irradiation....Pages 101-104
Survival of Yeast after Heavy Ion Irradiation....Pages 105-110
Incorporation of (Methyl 3 H) 5′-dTMP into DNA of Diploid Yeast Cells as Tracer of Liquid Holding Recovery after X-Ray Irradiation....Pages 111-116
Influence of Intracellular Adenosine-Triphosphate Concentration on Survival of Yeast Cells Following X-Irradiation....Pages 117-123
Split Dose Recovery and Liquid Holding Recovery in Diploid Yeast Exposed to Fractionated X-Irradiation....Pages 124-138
Repair of Damage Induced by Near Ultraviolet Light Plus Furocoumarin in Saccharomyces cerevisiae ....Pages 139-146
Postreplication Repair of DNA in Mammalian Cells: A Discussion of the Mechanisms and Biological Importance....Pages 147-158
Radiation-Induced Mutagenesis and Mechanisms of Repair in the Yeast, Schizosaccharomyces pombe ....Pages 159-161
Front Matter....Pages 81-81
Accumulation of Replicative DNA Intermediates in Response to Damage of DNA in Tetrahymena pyriformis ....Pages 162-169
Recovery from Radiation Damage Mediated by Somatic Cell Hybridisation....Pages 170-177
The Effect of Liquid Holding on Survival and Mitotic Recombination of Two UV-Sensitive Saccharomyces Diploids....Pages 178-187
Over-Repair in Closterium: Increased Radioresistance Caused by an Earlier Exposure to Radiation....Pages 188-195
L5178Y Cell Strains Cross-Sensitive to X-Rays and UV-Light: Similarities and Differences in Recovery at the Cellular Level....Pages 196-204
Detection of Hybrid DNA Formed during Mitomycin C-Induced Sister Chromatid Exchange in Chinese Hamster Cells....Pages 205-213
Dependence of Photoreactivating Enzyme — Substrate Complex Formation in Saccharomyces on Liquid Holding Treatment....Pages 214-220
Evaluation of the Action Spectrum of Yeast Photoreactivation in vivo by Means of Pulsed Dye Lasers....Pages 221-226
Front Matter....Pages 227-227
Effects of UV- and Ionizing Radiation on Mitosis and Enzyme Regulation in the Synchronous Nuclear Division Cycle of Physarum polycephalum ....Pages 230-239
The Molecular Basis for the Control of Cell Division....Pages 240-248
Cell Division and the Effects of Cell Age upon Radiation Sensitivity in Yeast....Pages 249-263
Budding and Division Delay in Diploid Yeast after Irradiation....Pages 264-270
Synthesis of Histones in the Cell Cycle of Saccharomyces cerevisiae ....Pages 271-277
Macromolecular Events Following Nutritional Shift-Up of Tetrahymena ....Pages 278-285
Radiation-Induced Processes in Moss Cells: Short-Term and Long-Term Radiation Responses of Special Interest after Microbeam UV Irradiation of the Haploid Moss Cells of Funaria hygrometrica ....Pages 286-293
Radiation Action on Lens Epithelial Cells....Pages 294-298
Radiation and Endocellular Control of Cell Proliferation....Pages 299-306
Closing Lecture — Modern Trends and Creeds in Radiobiology....Pages 307-318
Back Matter....Pages 319-321