1. Host controlled modification and restriction in Bacillus subtilis

   • Takehiko Shibata
   • Tadahiko Ando

   OriginalPaper Pages: 275 - 280

2. Selective killing of vegetative cells in sporulated yeast cultures by exposure to diethyl ether

   • Ian W. Dawes
   • Ian D. Hardie

   OriginalPaper Pages: 281 - 289

3. Studies on nuclear and mitochondrial DNA-replication in a temperature-sensitive mutant of Saccharomyces cerevisiae

   • Ulrike Wintersberger
   • Jennifer Hirsch
   • Anne Michelle Fink

   OriginalPaper Pages: 291 - 299

4. Mature DNA from temperate bacillusphage φ105 requires primary recombination to be infections in transfection

   • Jan-Ingmar Flock
   • Lars Rutberg

   OriginalPaper Pages: 301 - 311

5. Expression of colicin factor E2-P9

   • K. G. Hardy
   • C. R. Harwood
   • G. G. Meynell

   OriginalPaper Pages: 313 - 331

6. Action of ethidium bromide on mitochondrial DNA in the petite-negative yeast Schizosaccharomyces pombe

   • Wolfhard Bandlow
   • Fritz Kaudewitz

   OriginalPaper Pages: 333 - 338

7. Pyrimidine auxotrophy in Drosophila

   • D. R. Falk
   • David Nash

   OriginalPaper Pages: 339 - 349

8. “Thymineless death” in a strain of Saccharomyces cerevisiae auxotrophic for deoxythymidine-5′-monophosphate

   • Martin Brendel
   • Ursula G. Langjahr

   OriginalPaper Pages: 351 - 358