1. Effect of carbon source on the replication and transmission of yeast mitochondrial genomes

   • Claire D. Goldthwaite
   • Dennis R. Cryer
   • Julius Marmur

   OriginalPaper Pages: 87 - 104

2. A potential procedure for obtaining mutants of Escherichia coli that affect plasmid stability

   • V. N. Iyer
   • I. Messmer

   OriginalPaper Pages: 105 - 110

3. An aspect of the physiology of strains carrying a dnaB mutation

   • V. N. Iyer
   • R. V. Iyer
   • I. Stevenson

   OriginalPaper Pages: 111 - 122

4. Induction and genetical analysis of edeine resistant mutants of Neurospora crassa

   • Maria Leonor Teles Grilo
   • Walter Klingmüller

   OriginalPaper Pages: 123 - 133

5. Selection of yeast mutants constitutive for maltase synthesis

   • Richard Needleman
   • Norman R. Eaton

   OriginalPaper Pages: 135 - 140

6. Plasmid identification using specific endonucleases

   • Russell Thompson
   • Stephen G. Hughes
   • Paul Broda

   OriginalPaper Pages: 141 - 149

7. Recombination between the extranuclear genes conferring oligomycin resistance and cold sensitivity in Aspergillus nidulans

   • Robert T. Rowlands
   • Geoffrey Turner

   OriginalPaper Pages: 151 - 161

8. R factor elimination by inhibitors of thymidhlate synthetase (fluorodeoxyuridine and showdomycin) and the occurrence of single strand breaks in plasmid DNA

   • R. J. Pinney
   • Kari Bremer
   • J. T. Smith

   OriginalPaper Pages: 163 - 174

9. Restriction and modification in Bacillus subtilis

   • Fré Arwert
   • Lars Rutberg

   Short Communication Pages: 175 - 177