1. Influence of SOS repair on the specificity of radiation mutagenesis in bacteriophage ϕX174

   • J. F. Bleichrodt
   • W. S. D. Roos-Verheij

   OriginalPaper Pages: 155 - 160

2. Nucleotide sequence of the region required for maintenance of colicin E1 plasmid

   • Haruo Ohmori
   • Jun-ichi Tomizawa

   OriginalPaper Pages: 161 - 170

3. Superhelical DNA in Streptococcus sanguis: Role in recombination in vivo

   • Jawahar L. Raina
   • Arnold W. Ravin

   OriginalPaper Pages: 171 - 181

4. The DNa-protein relaxation complex of the plasmid RK2: Location of the site-specific nick in the region of the proposed origin of transfer

   • Donald G. Guiney
   • Donald R. Helinski

   OriginalPaper Pages: 183 - 189

5. Mini-muduction: A new mode of gene transfer mediated by mini-Mu

   • Michel Faelen
   • Ariane Toussaint
   • Anne Resibois

   OriginalPaper Pages: 191 - 197

6. Ribosomal subunits affected by antibiotic resistance mutations at seven chloroplast loci in Chlamydomonas reinhardtii

   • Sue G. Bartlett
   • Elizabeth H. Harris
   • John E. Boynton

   OriginalPaper Pages: 199 - 208

7. Amplification of chloramphenicol resistance transposons carried by phage P1Cm in Escherichia coli

   • Jürg Meyer
   • Shigeru Iida

   OriginalPaper Pages: 209 - 219

8. Some properties of the chloramphenicol resistance transposon Tn9

   • M. Chandler
   • E. Boy de la Tour
   • L. Caro

   OriginalPaper Pages: 221 - 231

9. IS2-61 and IS2-611 arise by illegitimate recombination from IS2-6

   • D. Ghosal
   • H. Saedler

   OriginalPaper Pages: 233 - 238

10. Construction of a colony bank of E. coli containing hybrid plasmids representative of the Bacillus subtilis 168 genome

    • Georges Rapoport
    • André Klier
    • Raymond Dedonder

    OriginalPaper Pages: 239 - 245

11. Ability of the male recombination factor 31.1 MRF to be transposed to another chromosome in Drosophila melanogaster

    • George Yannopoulos

    OriginalPaper Pages: 247 - 253

12. Genetics of oxidative phosphorylation: mitochondrial loci determining ossamycin-, venturicidin- and oligomycin-resistance in yeast

    • William E. Lancashire
    • James R. Mattoon

    OriginalPaper Pages: 255 - 264

13. DNA repair in Proteus mirabilis

    • Jürgen Hofemeister
    • Heidi Köhler
    • Valeri D. Filippov

    OriginalPaper Pages: 265 - 273

14. The analysis of a temperature-sensitive (ts) mutation influencing the expression of heat shock-inducible genes in Drosophila melanogaster

    • Michael Evgen'ev
    • Andrei Levin
    • Elena Lozovskaya

    OriginalPaper Pages: 275 - 280

15. Localization of proteins S1, S2, S16 and S23 on the surface of small subunits of rat liver ribosomes by immune electron microscopy

    • G. Lutsch
    • F. Noll
    • H. Bielka

    OriginalPaper Pages: 281 - 291

16. The origin of the DNA in transducing particles of bacteriophage Mu

    • Johanna Teifel
    • Horst Schmieger

    Short Communication Pages: 293 - 295

17. NADP-Specific glutamate dehydrogenase is not involved in repression of yeast sporulation by ammonia

    • Michael C. Newlon

    Short Communication Pages: 297 - 300

18. Promotion of uniparental inheritance of mitochondrial drug resistance by delayed division of yeast zygotes

    • K. Wolf
    • L. Del Giudice
    • F. Kaudewitz

    Short Communication Pages: 301 - 302