A procedure for isolation of spontaneous mutants with temperature sensitive synthesis of RNA and/or protein Leif A. IsakssonSven-Erik SköldRenkichi Takata OriginalPaper Pages: 233 - 237
Valine-sensitive acetohydroxy acid synthases in Escherichia coli K-12: Unique regulation modulated by multiple genetic sites Elaine J. DavisJoel M. BlattJulius H. Jackson OriginalPaper Pages: 239 - 249
Characteristics of a complex formed by a nonintegrated fraction of transforming DNA and Bacillus subtilis recipient cell constituents Danuta PieniążekMirosława PiechowskaGerard Venema OriginalPaper Pages: 251 - 261
On the dose response in B. subtilis transfection H. HirokawaT. A. TrautnerG. Lüder OriginalPaper Pages: 263 - 266
Properties of ribosomes from erythromycin resistant mutants of Escherichia coli Daniel PardoRoland Rosset OriginalPaper Pages: 267 - 271
A search for allelic recombination in Chinese hamster cell hybrids G. M. TarrantR. Holliday OriginalPaper Pages: 273 - 279
Genetic analysis of the dnaB region of Escherichia coli K-12: The identification of a recombinational hot spot Paul F. Schendel OriginalPaper Pages: 281 - 287
A phantom ATPase in a mitochondrially encoded mutant of Saccharomyces cerevisiae Marie SomloLea ClavilierMireille Krupa OriginalPaper Pages: 289 - 295
Restoration of immunity in lysogens carrying prophage P2, derepressed at high temperature Eva NilssonL. Elizabeth Bertani OriginalPaper Pages: 297 - 302
Extranuclear recombination in Aspergillus nidulans: Closely-linked multiple chloramphenicol- and oligomycin-resistance loci Colin M. LazarusGeoffrey Turner OriginalPaper Pages: 303 - 311
An effect of F-like plasmids on the maintenance of Flac in a dnaC mutant of Salmonella typhimurium V. Rodriguez LemoineR. J. Rowbury OriginalPaper Pages: 313 - 318
Genetics and biochemistry of cryptopleurine resistance in the yeast Saccharomyces cerevisiae L. SánchezD. VásquezA. Jiménez OriginalPaper Pages: 319 - 326
The structure of the cysCDHIJ region in unstable cysteine or methionine requiring mutants of Salmonella typhimurium Alan J. Kingsman OriginalPaper Pages: 327 - 332
The phenoloxidases of the ascomycete Podospora anserina H. PrillingerK. Esser OriginalPaper Pages: 333 - 345
Callus formation from stem protoplasts of corn (Zea mays L.) I. PotrykusC. T. HarmsE. Thomas Short Communication Pages: 347 - 350