1. Genetic analysis of bacteriophage lambda strains which transduce the genes for leucine biosynthesis

   • Walter Klingmüller
   • Kenneth Krell
   • Kazunori Shimada

   OriginalPaper Pages: 1 - 6

2. S-adenosylmethionine synthetase in methionine regulatory mutants of Salmonella typhimurium

   • Ann C. Hobson
   • D. A. Smith

   OriginalPaper Pages: 7 - 18

3. An α mating-type allele insensitive to the mutagenic action of the homothallic gene system in Saccharomyces diastaticus

   • Isamu Takano
   • Takaaki Kusumi
   • Yasuji Oshima

   OriginalPaper Pages: 19 - 28

4. Further mapping of 5S RNA cistrons in Escherichia coli

   • B. Jarry
   • R. Rosset

   OriginalPaper Pages: 29 - 35

5. Mechanism of formation of bacteriophage ϕX174 circular and catenated dimer RF⁺ DNA

   • E. B. H. Hofs
   • G. A. van Arkel
   • H. S. Jansz

   OriginalPaper Pages: 37 - 51

6. Isolation and characterization of a ribonuclease III deficient mutant of Escherichia coli

   • Peter Kindler
   • Till Uwe Keil
   • Peter Hans Hofschneider

   OriginalPaper Pages: 53 - 69

7. Induction of cytoplasmic respiratory deficient mutants in yeast by the folic acid analogue, methotrexate

   • Ulrike Wintersberger
   • Jennifer Hirsch

   OriginalPaper Pages: 61 - 70

8. Induction of cytoplasmic respiratory deficient mutants in yeast by the folic acid analogue, methotrexate

   • Ulrike Wintersberger
   • Jennifer Hirsch

   OriginalPaper Pages: 71 - 74

9. Ammonium and glucose repression of the arginine catabolic enzymes in Aspergillus nidulans

   • E. Bartnik
   • P. Weglenski
   • M. Piotrowska

   OriginalPaper Pages: 75 - 84

10. Mutations simultaneously affecting ammonium and glucose repression of the arginine catabolic enzymes in Aspergillus nidulans

    • E. Bartnik
    • J. Guzewska
    • P. Weglenski

    OriginalPaper Pages: 85 - 92