Genetic defects in DNA repair system and enhancement of intergenote transformation efficiency in Bacillus subtilis Marburg Kouji MatsumotoHideo TakahashiYōnosuke Ikeda OriginalPaper Pages: 229 - 235
Genes involved in caryogamy and meiosis in Podospora anserina Jean-Marc SimonetDenise Zickler OriginalPaper Pages: 237 - 242
Replication of small plasmids in extracts of Escherichia coli Walter L. StaudenbauerErich LankaHeinz Schuster OriginalPaper Pages: 243 - 249
Temperature-dependent conversion of sexual agglutinability in Saccharomyces cerevisiae Syuichi DoiMasao Yoshimura OriginalPaper Pages: 251 - 257
Mini-chromosomes: Plasmids which carry the E. coli replication origin W. MesserH. E. N. BergmansK. von Meyenburg OriginalPaper Pages: 269 - 275
The relevance of the nuclear division cycle to radiosensitivity in yeast Gunnar BrunborgDonald H. Williamson OriginalPaper Pages: 277 - 286
Dopa decarboxylase from Drosophila melanogaster William C. ClarkPaul S. PassRoss B. Hodgetts OriginalPaper Pages: 287 - 297
The adaptive response of E. coli to low levels of alkylating agent: The role of polA in killing adaptation Penelope JeggoMartine DefaisPaul Schendel OriginalPaper Pages: 299 - 305
Bacterial protoplast fusion: Recombination in fused protoplasts of Streptomyces coelicolor David A. HopwoodHelen M. Wright OriginalPaper Pages: 307 - 317
Yeast mutant, rna1, affects the entry into polysomes of ribosomal RNA as well as messenger RNA Nancy S. PetersenDonald P. Nierlich OriginalPaper Pages: 319 - 322
Influence of deficiency of the histone gene-containing 38B-40 region on X-chromosome template activity and the White gene position effect variegation in Drosophila melanogaster R. B. KhesinB. A. Leibovitch OriginalPaper Pages: 323 - 328
Restriction enzyme cleavage mapping of T7 virus early region Robert L. GordonPeter HumphriesDavid J. McConnell OriginalPaper Pages: 329 - 339
Evidence for plasmid like DNA in a filamentous fungus, the ascomycete Podospora anserina Ulf StahlPaul A. LemkeKarl Esser Short Communication Pages: 341 - 343
A direct confirmation of the specificity of mutation frequency decline for suppressor mutations Colin H. Clarke Short Communication Pages: 345 - 346