On the basis of aminoglycoside-dependent growth of mutants from E. coli: Physiological studies H. HummelA. Böck OriginalPaper Pages: 167 - 175
On the basis of aminoglycoside-dependent growth of mutants of Escherichia coli: In vitro studies and the model H. HummelM. H. AhmadA. Böck OriginalPaper Pages: 176 - 181
Transposable elements of Halobacterium halobium Felicitas PfeiferMary BetlachHerbert W. Boyer OriginalPaper Pages: 182 - 188
DNA sequences of and complementation by the tnpR genes of Tn21, Tn501 and Tn1721 W. P. DiverJ. GrinstedR. Schmitt OriginalPaper Pages: 189 - 193
Sub-families of hordein mRNA encoded at the Hor 2 locus of barley M. KreisS. RahmanB. J. Miflin OriginalPaper Pages: 194 - 200
Isolation and complementation of temperature-sensitive replication mutants of Staphylococcus aureus plasmid pC194 Serban IordanescuMarietta Surdeanu OriginalPaper Pages: 201 - 206
The frequency of transcriptional and translational errors at nonsense codons in the lacZ gene of Escherichia coli R. F. RosenbergerJ. Hilton OriginalPaper Pages: 207 - 212
Double holliday structure: A possible in vivo intermediate form of general recombination in Escherichia coli Ichizo KobayashiHideo Ikeda OriginalPaper Pages: 213 - 220
Nif-hybrids of enterobacter: Selection for nif gene integration with chlorate W. KlingmüllerK. T. ShanmugamM. Singh OriginalPaper Pages: 221 - 224
A genetic and physical analysis of the MAL1 and MAL3 standard strains of Saccharomyces cerevisiae Corinne A. MichelsRichard B. Needleman OriginalPaper Pages: 225 - 230
An amber replication mutant of F plasmid mapped in the minimal replication region Satoko MakiMinoru KuribayashiTadao Horiuchi OriginalPaper Pages: 231 - 237
Enzyme patterns in D. melanogaster imaginal discs: Distribution of glucose-6-phosphate and 6-phosphogluconate dehydrogenase Glenn N. CunninghamNelson M. SmithDavid T. Kuhn OriginalPaper Pages: 238 - 243
Intergeneric cytoplasmic hybridization in cruciferae by protoplast fusion G. PelletierC. PrimardM. Renard OriginalPaper Pages: 244 - 250
Yeast ribosomal proteins: Electrophoretic analysis in four two-dimensional gel systems—Correlation of nomenclatures Serge MichelRobert R. TrautJohn C. Lee OriginalPaper Pages: 251 - 256
Mating between Bacillus subtilis and Bacillus thuringiensis and transfer of cloned crystal genes André KlierCatherine BourgouinGeorges Rapoport OriginalPaper Pages: 257 - 262
Interchangeability of repressors for the control of the uxu and uid operons in E. coli K12 P. RitzenthalerC. BlancoM. Mata-Gilsinger OriginalPaper Pages: 263 - 270
Adh1-0: A selectable marker in Zea mays cell culture Ko ShimamotoPatrick J. King OriginalPaper Pages: 271 - 275
Involvement of the mismatch repair system in base analogue-induced mutagenesis Katarzyna BebenekCelina Janion OriginalPaper Pages: 276 - 281
The gyrB gene product functions in both initiation and chain polymerization of Escherichia coli chromosome replication: Suppression of the initiation deficiency in gyrB-ts mutants by a class of rpoB mutations Marcin FilutowiczPiotr Jonczyk OriginalPaper Pages: 282 - 287
Tn5 carries a streptomycin resistance determinant downstream from the kanamycin resistance gene Peter PutnokyGyörgy B. KissAdam Kondorosi OriginalPaper Pages: 288 - 294
Mapping of the genes for Bacillus subtilis ribosomal proteins S9, S11, and BL27 by means of antibiotic resistant mutants Eric R. Dabbs OriginalPaper Pages: 295 - 300
Identification of an iron uptake system specific for coprogen and rhodotorulic acid in Escherichia coli K12 Klaus Hantke OriginalPaper Pages: 301 - 306
Isolation of a DNA sequence related to several plasmids from Bacillus thuringiensis after a mating involving the Streptococcus faecalis plasmid pAMβ1 Didier LereclusGhislaine MenouMarguerite-M. Lecadet OriginalPaper Pages: 307 - 313
Cyclic variations in sensitivity to X-irradiation during meiosis in Saccharomyces cerevisiae S. L. KellyC. MerrillJ. M. Parry OriginalPaper Pages: 314 - 318
A temporally regulated promoter from Bacillus subtilis is transcribed only by an RNA polymerase with a 37,000 dalton sigma factor David S. GoldfarbSui-Lam WongRoy H. Doi OriginalPaper Pages: 319 - 325
Genes which suppress position-effect variegation in Drosophila melanogaster are clustered Donald A. R. SinclairRandall C. MottusThomas A. Grigliatti OriginalPaper Pages: 326 - 333
Construction of recombination-deficient strains of Pseudomonas aeruginosa Rainer FrühJohn M. WatsonDieter Haas Short Communication Pages: 334 - 337
