Genetic effects of N-methyl-N′-nitro-N-nitrosoguanidine in Neurospora crassa H. V. MallingF. J. De Serres OriginalPaper Pages: 195 - 207
Adjacent effect on suppression efficiency Hiroko YahataYoshiko OcadaAkira Tsugita OriginalPaper Pages: 208 - 212
The effects of caffeine, ultraviolet and X-irradiation on DNA breakdown in E. coli B and some of its dark repair mutants G. W. Grigg OriginalPaper Pages: 228 - 238
Nonsense mutants of Serratia phage Kappa U. WinklerU. Kopp-ScholzCh. Haux OriginalPaper Pages: 239 - 253
Incorporation of 5-bromodeoxyuridine into DNA of wild type Escherichia coli and its use for the enrichment of auxotrophic mutants Arie RosnerEzra Yagil OriginalPaper Pages: 254 - 262
Mechanism of conjugation and recombination in bacteria Mirosława WłodarczykWładysław Kunicki-Goldfinger OriginalPaper Pages: 263 - 273
Replication of bacteriophages in Escherichia coli mutants thermosensitive in DNA synthesis Erich LankaHeinz Schuster OriginalPaper Pages: 274 - 285
The effect of storage on the frequency of dominant lethals in Drosophila melanogaster R. J. Šrám Short Communication Pages: 286 - 288