Complementation in somatic hybrids indicates four types of nitrate reductase deficient lines in Nicotiana plumbaginifolia László MártonVladimir SidorovPál Maliga OriginalPaper Pages: 1 - 3
Isolation and characterization of an operator-constitutive mutation in the recA gene of E. coli K-12 Hershel GinsburgSusan H. EdmistonDavid W. Mount OriginalPaper Pages: 4 - 11
The Uq controlling-element system in maize Peter FriedemannPeter A. Peterson OriginalPaper Pages: 19 - 29
Cloning of colicin E1 tolerant tolC(mtcB) gene of Escherichia coli K12 and identification of its gene product Nozomu OtsujiToshinori SoejimaHideo Shinagawa OriginalPaper Pages: 30 - 36
Structure of ribosomes and ribosomal subunits of Drosophila Steven R. ScofieldW. Yean Chooi OriginalPaper Pages: 37 - 41
New temperature-sensitive mutants of Saccharomyces cerevisiae affecting DNA replication Lawrence B. DumasJoan P. LusskyJanis Shampay OriginalPaper Pages: 42 - 46
Reversible pachytene arrest of Saccharomyces cerevisiae at elevated temperature Breck ByersLoretta Goetsch OriginalPaper Pages: 47 - 53
Meiotic cytology of Saccharomyces cerevisiae in protoplast lysates Loretta GoetschBreck Byers OriginalPaper Pages: 54 - 60
Suppressor genes of a dnaA temperature sensitive mutation in Escherichia coli Yutaka TakedaYukinori Hirota OriginalPaper Pages: 67 - 71
Nucleotide sequence of dihydrofolate reductase genes from trimethoprim-resistant mutants of Escherichia coli Douglas R. SmithJoseph M. Calvo OriginalPaper Pages: 72 - 78
Bacteriophage lambda initiators: Preparation from a strain that overproduces the O and P proteins Toshiki TsurimotoToshiharu HaseKenichi Matsubara OriginalPaper Pages: 79 - 86
Genetic map of coliphage 186 from a novel use of marker rescue frequencies Stephanie M. HockingJ. Barry Egan OriginalPaper Pages: 87 - 95
Extrachromosomal inheritance of nalidixic acid resistance in the petite negative yeast Schizosaccharomyces pombe D. R. MassardoL. Del GiudiceK. Wolf OriginalPaper Pages: 96 - 100
Construction and physical mapping of plasmids containing the metJBLF gene cluster of E. coli K12 Mario M. ZakinRonald C. GreeneGeorges N. Cohen OriginalPaper Pages: 101 - 106
Differential regulation of the active and inactive forms of Saccharomyces cerevisiae acid phosphatase Anne-Marie SchweingruberM. Ernst Schweingruber OriginalPaper Pages: 107 - 111
Metal ion induced unscheduled DNA synthesis in Petunia pollen J. F. JacksonH. F. Linskens OriginalPaper Pages: 112 - 115
Somatic damage to the X chromosome of the nematode Caenorhabditis elegans induced by gamma radiation Philip S. HartmanRobert K. Herman OriginalPaper Pages: 116 - 119
Developmental genetics of a temperature-sensitive RNA polymerase II mutation in Drosophila melanogaster Mark A. MortinThomas C. Kaufman OriginalPaper Pages: 120 - 125
Paternal transmission of entire compounds of chromosome two in Drosophila melanogaster Carol A. Strommen OriginalPaper Pages: 126 - 131
Sequence homology and recombination between the genomes of morphologically dissimilar bacteriophages LP 52 and theta J. ForstováH. GrünnerováJ. Doskočil OriginalPaper Pages: 138 - 147
Conjugation-deficient mutants of Escherichia coli distinguish classes of functions of the outer membrane OmpA protein Colin ManoilJürg P. Rosenbusch OriginalPaper Pages: 148 - 156
Influence of the rho-15 temperature-sensitive (ts) mutation on the expression of the deo−operon in Escherichia coli Vitaly V. SukhodoletsAlexander S. MironovElena V. Linkova OriginalPaper Pages: 157 - 161
Effect of bacteriophage ϕX174 infection on the conformation of Escherichia coli DNA Subrata K. PalRamendra K. Poddar OriginalPaper Pages: 162 - 165
Molecular genetics of mutants of Rhizobium leguminosarum which fail to fix nitrogen Qing-Sheng MaAndrew W. B. JohnstonJ. Allan Downie OriginalPaper Pages: 166 - 171
Reduced [3H]-tetrodotoxin binding in the nap ts paralytic mutant of Drosophila Lawrence M. Kauvar OriginalPaper Pages: 172 - 173
Genetic characterization of twelve P2-186 hybrid bacteriophages Stephanie M. HockingJ. Barry Egan Short Communication Pages: 174 - 176
Genetic properties of abortive products resulting from the protoplast fusion in yeasts Hideo Tamaki Short Communication Pages: 177 - 179