Replication and incompatibility properties of segments of the origin region of replication of the broad host range plasmid RK2 Christopher M. ThomasDavid M. StalkerDonald R. Helinski OriginalPaper Pages: 1 - 7
Nucleotide sequence of the region of the origin of replication of the broad host range plasmid RK2 David M. StalkerChristopher M. ThomasDonald R. Helinski OriginalPaper Pages: 8 - 12
A novel extranuclear mutant of Neurospora with a temperature-sensitive defect in mitochondrial protein synthesis and mitochondrial ATPase Richard A. CollinsHelmut BertrandAlan M. Lambowitz OriginalPaper Pages: 13 - 19
Antigenicity of nitrate reductase-deficient mutants in Hordeum vulgare L. T. KuoA. KleinhofsR. L. Warner OriginalPaper Pages: 20 - 23
Conditionallethality of Escherichia coli strains carrying dnaE anddnaQ mutations Takashi HoriuchiHisaji MakiMutsuo Sekiguchi OriginalPaper Pages: 24 - 28
Regulation of plasmid DNA synthesis: Isolation and characterization of copy number mutants of miniR6-5 and miniF plasmids Susan ElyWalter L. Staudenbauer OriginalPaper Pages: 29 - 35
Four new opines from crown gall tumours —Their detection and properties J. G. EllisP. J. Murphy OriginalPaper Pages: 36 - 43
Suppression of tumorigenicity by the IncW R plasmid pSa in Agrobacterium tumefaciens Stephen K. FarrandClarence I. KadoCarrie R. Ireland OriginalPaper Pages: 44 - 51
An Escherichia coli mutant thermosensitive in the B subunit of DNA gyrase: Effect on the structure and replication of the colicin E1 plasmid in vitro Elisha OrrWalter L. Staudenbauer OriginalPaper Pages: 52 - 56
Monomer plasmid DNA transforms Streptococcus pneumoniae Charles W. SaundersWalter R. Guild OriginalPaper Pages: 57 - 62
Free sigma subunit of Bacillus subtilis RNA polymerase binds to DNA Toshiaki KudoDeborah JaffeRoy H. Doi OriginalPaper Pages: 63 - 68
Repression of ant synthesis early in the lytic cycle of phage P22 A. M. HarveyP. HavaJ. Soska OriginalPaper Pages: 74 - 81
Analysis of a new homoeotic mutation (iab-2) within the bithorax complex in Drosophila melanogaster David T. KuhnDaniel F. WoodsJulie L. Cook OriginalPaper Pages: 82 - 86
The tetracycline resistance transposons Tn1721 and Tn1771 have three 38-base-pair repeats and generate five-base-pair direct repeats Fritz SchöfflWalter ArnoldRüdiger Schmitt OriginalPaper Pages: 87 - 94
Molecular cloning of the fnr gene of Escherichia coli K12 Duncan J. ShawJohn R. Guest OriginalPaper Pages: 95 - 100
The influence of colicinogenic plasmids ColIb-P9, ColIa-CA53 and ColV-K30 on the repair, mutagenesis and induction of colicin E1 synthesis I. A. KhmelV. M. KopylovV. P. Polyanin OriginalPaper Pages: 101 - 106
Positive regulation in a eukaryote, a study of the uaY gene of Aspergillus nidulans Dimitri PhilippidesClaudio Scazzocchio OriginalPaper Pages: 107 - 115
The nucleotide sequence of the replication control region of the resistance plasmid R1drd-19 Peter StougaardSøren MolinFlemming G. Hansen OriginalPaper Pages: 116 - 122
Isolation and characterization of new copy mutants of plasmid R1, and identification of a polypeptide involved in copy number control Søren MolinPeter StougaardKurt Nordström OriginalPaper Pages: 123 - 130
Transmission and recombination of mitochondrial genes in Saccharomyces cerevisiae after protoplast fusion Anna MarázJúlius Šubík OriginalPaper Pages: 131 - 133
Mitochondrially inherited resistance to antimycin and diuron in the petite negative yeast Schizosaccharomyces pombe Gertraud BurgerKlaus Wolf OriginalPaper Pages: 134 - 139
A mutation of Saccharomyces cerevisiae leading to resistance to some inhibitors of peptide bond formation Antonio GonzálezFrancisco SantamaríaAntonio Jiménez OriginalPaper Pages: 140 - 146
Correspondent reaction of mitotic recombination in yeast and sister chromatid exchange in human lymphocytes Rudolf Fahrig Short Communication Pages: 147 - 149
envB mutations confer UV-sensitivity to Salmonella typhimurium and UV-resistance to Escherichia coli Dora N. Antón Short Communication Pages: 150 - 152
