Isolation and characterization of DNA repetitions carrying the chromosomal β-lactamase gene of Escherichia coli K-12 Thomas EdlundThomas GrundströmStaffan Normark OriginalPaper Pages: 115 - 125
Relief of polarity in E. coli depleted of 30S ribosomal subunits Tova CohenAaron SilbersteinMoshe Tal OriginalPaper Pages: 127 - 134
Synthesis and degradation of lac mRNA in E. coli depleted of 30S ribosomal subunits Ronit Har-ElAaron SilbersteinMoshe Tal OriginalPaper Pages: 135 - 144
Isolation and characterisation of a strain of Saccharomyces cerevisiae deficient in in vitro RNA polymerase B(II) Activity Barbara WinsorFrançois LacrouteAndré Sentenac OriginalPaper Pages: 145 - 151
Histidine sensitive strain of the blue-green alga Nostoc muscorum: possible nif-his interactions P. K. YadavaS. P. Singh OriginalPaper Pages: 153 - 157
Biogenesis of mitochondria 51 Terence W. SpithillPhillip NagleyAnthony W. Linnane OriginalPaper Pages: 159 - 170
Isolation of a recombination deficient Agrobacterium tumefaciens mutant P. M. KlapwijkP. van BeelenR. A. Schilperoort OriginalPaper Pages: 171 - 175
Nutritional control of the frequency of MNNG-induced true branching habit in Anabaena doliolum Banshi Dhar OriginalPaper Pages: 177 - 181
Post-translational modification of Escherichia coli ribosomal protein S6 Solvejg ReehSteen Pedersen OriginalPaper Pages: 183 - 187
Origin and binding specificity of protein(s) coded for by Mu prophages W. SchumannCh. WestphalL. Holzer OriginalPaper Pages: 189 - 196
Restriction enzyme analysis of the Plasmid ColIb DNA Anna SkorupskaMonika BuraczyńskaZbigniew Lorkiewicz OriginalPaper Pages: 197 - 201
Saccharomyces cerevisiae mutants defective in the maturation of ribosomal RNA Pencho V. VenkovAngelina P. Vasileva OriginalPaper Pages: 203 - 210
Pleiotropic effect of two cell wall mutants on the activity of some cell wall enzymes in the yeast saccharomyces cerevisiae Peter Lange Short Communication Pages: 211 - 212
Cutting of DNA in trans-A meiotic function? Yigal KoltinYona Shneyour Short Communication Pages: 213 - 216
Deletions, insertions and rearrangments affecting rpoB gene expression John Collins Short Communication Pages: 217 - 220