Valine-resistant plants from in vitro selected tobacco cells Jean-Pierre Bourgin OriginalPaper Pages: 225 - 230
Coding of stable 4S RNA molecules by the resistance factor R1 Franz KricekGabriella HartmannGregor Högenauer OriginalPaper Pages: 231 - 236
An analysis of precursors accumulated by several chlorophyll biosynthetic mutants of maize Peter Mascia OriginalPaper Pages: 237 - 244
The recognition of mismatched base pairs in DNA by DNase I from Ustilago maydis Patricia J. Pukkila OriginalPaper Pages: 245 - 250
Biogenesis of mitochondria 49 identification and mapping of a new mitochondrial locus (tsr 1) which maps within the polar region of the yeast mitochondrial genome R. J. DevenishKaren J. EnglishH. B. Lukins OriginalPaper Pages: 251 - 259
Viomycin favours the formation of 70S ribosome couples Takeshi YamadaKnud H. Nierhaus OriginalPaper Pages: 261 - 265
Nuclear suppressors of the [poky] cytoplasmic mutant in Neurospora crassa Richard A. CollinsHelmut Bertrand OriginalPaper Pages: 267 - 273
The role of X-linked lethal and viable male-sterile mutations in male gametogenesis of Drosophila melanogaster: Genetic analysis Eliezer LifschytzNava Yakobovitz OriginalPaper Pages: 275 - 284
Mutations in the tryptophanyl-transfer ribonucleic acid ligase of E. coli causing temperature-sensitivity for growth Kaj BohmanLeif A. Isaksson OriginalPaper Pages: 285 - 289
Phage Mu-1 mediated transposition: A tool to study the organization of ribosomal protein genes in Escherichia coli Teresa CabezónFrédérique Van GijsegemAlex Bollen OriginalPaper Pages: 291 - 296
A possible model for the structure of the Neurospora carbamoyl phosphate synthase-aspartate carbamoyl transferase complex enzyme A. J. MakoffF. P. BuxtonA. Radford OriginalPaper Pages: 297 - 304
Orientation of “plus” genes at the mating-type locus in homothallic fission yeast Richard Egel OriginalPaper Pages: 305 - 309
Detection of specific DNA sequences in yeast by colony hybridization H. BlancB. DujonP. P. Slonimski OriginalPaper Pages: 311 - 315
The effect of inversions on mitotic recombination in Drosophila melanogaster A. García-BellidoF. Wandosell OriginalPaper Pages: 317 - 321
Arginine regulon control in a Salmonella typhimurium-Escherichia coli hybrid merodiploid Rod A. KellnVictor L. Zak Short Communication Pages: 333 - 335
Transposon-mediated insertion of R factor into bacterial chromosome V. N. DanilevichY. G. StepanshinE. I. Golub Short Communication Pages: 337 - 339