Morphological characteristics and chloroplast DNA distribution in different cytoplasmic parasexual hybrids of Nicotiana tabacum G. BelliardG. PelletierF. Quetier OriginalPaper Pages: 231 - 237
Somatic hybrids of plants by fusion of protoplasts Yves ChupeauClaudine MissonierJacques Goujaud OriginalPaper Pages: 239 - 245
A transducing λ phage carrying grpE, a bacterial gene necessary for λ DNA replication, and two ribosomal protein genes, rpsP (S16) and rplS (L19) Haruo SaitoYoshikazu NakamuraHisao Uchida OriginalPaper Pages: 247 - 256
Hybrid cell lines Arabidopsis thaliana + Brassica campestris: No evidence for specific chromosome elimination Yury Yu. GlebaFranz Hoffmann OriginalPaper Pages: 257 - 264
Genes encoding ribosomal proteins S16 and L19 form a gene cluster at 56.4 min in Escherichia coli Katsumi Isono OriginalPaper Pages: 265 - 268
Construction of a recombinant plasmid composed of B. subtilis leucine genes and a B. subtilis (natto) plasmid: Its use as cloning vehicle in B. subtilis 168 Teruo TanakaKenji Sakaguchi OriginalPaper Pages: 269 - 276
Reversion and interallelic complementation at four urease loci in Neurospora crassa Ernest W. BensonH. Branch Hower Jr. OriginalPaper Pages: 277 - 282
Cold-sensitivity of a double mutant strain combining two ribosomal mutations in the ascomycete Podospora anserina M. CrouzetJ. Bégueret OriginalPaper Pages: 283 - 288
Method of isolation of cysteine constitutive mutants of the cysteine regulon in Salmonella typhimurium E. SledziewskaD. Hulanicka OriginalPaper Pages: 289 - 293
The control region of the F sex factor DNA transfer cistrons: Restriction mapping and DNA cloning Russell ThompsonMark Achtman OriginalPaper Pages: 295 - 304
Sterol content and enzyme defects of nystatin-resistant mutants of Neurospora crassa Morris GrindleRoy Farrow OriginalPaper Pages: 305 - 308
Studies with the dioecious angiosperm Mercurialis annua L. (2n=16): Correlation between genic and cytoplasmic male sterility, sex segregation and feminizing hormones (cytokinins) J. P. LouisB. Durand OriginalPaper Pages: 309 - 322
Tryptophan genes in Rhizobium—Their organization and their transfer to other bacterial genera A. W. B. JohnstonM. J. BibbJ. E. Beringer OriginalPaper Pages: 323 - 330
Mapping of RP4 plasmid using deletion mutants of pAS8 hybrid (RP4-ColE1) V. A. SakanyanL. Z. YakubovA. I. Stepanov OriginalPaper Pages: 331 - 341
