1. Spontaneous degradation of pRD1 DNA into unique size classes is recA dependent

   • A. Pühler
   • H. J. Burkardt
   • W. Wohlleben

   OriginalPaper Pages: 1 - 6

2. Transposition of DNA inserted into deletions of the Tn5 kanamycin resistance element

   • Richard Meyer
   • Gary Boch
   • James Shapiro

   OriginalPaper Pages: 7 - 13

3. A missense mutation in the gene coding for ribosomal protein S17 (rpsQ) leading to ribosomal assembly defectivity in Escherichia coli

   • Albert Herzog
   • Makoto Yaguchi
   • Alex Bollen

   OriginalPaper Pages: 15 - 22

4. Bacterial ribosomes with two ambiguity mutations: Effects on translational fidelity, on the response to aminoglycosides and on the rate of protein synthesis

   • W. Piepersberg
   • V. Noseda
   • A. Böck

   OriginalPaper Pages: 23 - 34

5. Bacteriophage T4 rIIB protein synthesis with a temperature-sensitive mutation in the rIIB initiation codon

   • Dominique Belin

   OriginalPaper Pages: 35 - 42

6. Discontinuous duplication of both strands of virus 2C DNA

   • Philippe P. Hoet
   • Georges Fraselle
   • Carlo Cocito

   OriginalPaper Pages: 43 - 51

7. DNA synthesis in UV-irradiated Escherichia coli K-12 strains carrying dnaA mutations

   • Piotr Jonczyk
   • Zygmunt Cieśla

   OriginalPaper Pages: 53 - 58

8. Analysis of lethal events induced by ultraviolet in a heterokaryon of Neurospora

   • David Stadler
   • Eva Crane

   OriginalPaper Pages: 59 - 68

9. The regulation of hexokinase and phosphoglucomutase activity in Aspergillus nidulans

   • N. S. Dunn-Coleman
   • J. A. Pateman

   OriginalPaper Pages: 69 - 73

10. Molecular cloning of the 4.2 Md EcoRI fragment of Aspergillus nidulans mitochondrial DNA

    • Ewa Bartnik
    • Norman J. Pieniąžek
    • Piotr P. Stępień

    OriginalPaper Pages: 75 - 78

11. Restriction cleavage maps of coliphages 186 and P2

    • Robert B. Saint
    • J. Barry Egan

    OriginalPaper Pages: 79 - 89

12. A restriction endonuclease cleavage map of bacteriophage P2

    • Anna Westöö
    • Elisabeth Ljungquist

    OriginalPaper Pages: 91 - 102

13. A method which facilitates the ordering of DNA restriction fragments

    • Robert B. Saint
    • J. Barry Egan

    Short Communication Pages: 103 - 106

14. Transformation of Pseudomonas aeruginosa and Escherichia coli with resistance plasmid DNA: Formation of smaller conjugative plasmids from RPI

    • Habibul Haque

    Short Communication Pages: 107 - 109

15. An enrichment method for temperature-sensitive and auxotrophic mutants of yeast

    • E. Fintan Walton
    • Bruce L. A. Carter
    • John R. Pringle

    Short Communication Pages: 111 - 114