1. Somatic hybrids of Datura innoxia Mill.+Datura discolor Bernh. and of Datura innoxia Mill.+Datura stramonium L. var tatula L.

   • Otto Schieder

   OriginalPaper Pages: 113 - 119

2. Cloning and characterization of EcoRI and HindIII restriction endonuclease-generated fragments of antibiotic resistance plasmids R6-5 and R6

   • Kenneth N. Timmis
   • Felipe Cabello
   • Stanley N. Cohen

   OriginalPaper Pages: 121 - 137

3. Disturbance of the machinery for the gene expression by acidic pH in the repressible acid phosphatase system of Saccharomyces cerevisiae

   • Akio Toh-e
   • Setsuo Kobayashi
   • Yasuji Oshima

   OriginalPaper Pages: 139 - 149

4. Growth of single-stranded DNA phages in replication mutants of Escherichia coli

   • Akira Taketo
   • Ken-ichi Kodaira

   OriginalPaper Pages: 151 - 155

5. Evidence for translational repression of arginine biosynthetic enzymes in Escherichia coli: Altered regulation in a streptomycin-resistant mutant

   • Ruth H. Vogel
   • Evelyn A. Devine
   • Henry J. Vogel

   OriginalPaper Pages: 157 - 162

6. Fertility inhibition in Rhizobium lupini by the resistance plasmid RP4

   • Alfred Pühler
   • Hans-Joachim Burkardt

   OriginalPaper Pages: 163 - 171

7. Fidelity of conjugation in Saccharomyces cerevisiae

   • David Rogers
   • Howard Bussey

   OriginalPaper Pages: 173 - 182

8. The modification of induced genetic change in yeast by an amino acid analogue

   • Peter J. Davies
   • James M. Parry

   OriginalPaper Pages: 183 - 190

9. Preferential delection of a specific region of mitochondrial DNA in Saccharomyces cerevisiae by ethidium bromide and 3-carbethoxy-psoralen

   • H. Fukuhara
   • E. Moustacchi
   • M. Wesolowski

   OriginalPaper Pages: 191 - 201

10. Genetical studies on the heterocyst and nitrogen fixation of the blue-green alga Nostoc muscorum

    • R. N. Padhy
    • P. K. Singh

    OriginalPaper Pages: 203 - 211

11. Genetical studies on revertants to sensitivity from a cycloheximide resistant strain of Schizosaccharomyces pombe

    • Mohammed A. K. Ibrahim
    • Alan Coddington

    OriginalPaper Pages: 213 - 219

12. 8-Hydroxyquinoline inhibition of DNA synthesis and intragenic recombination during yeast meiosis

    • Dallice Mills

    OriginalPaper Pages: 221 - 228