1. Properties of strains of Escherichia coli K12 carrying mutant lex and rec alleles

   • Eric E. M. Moody
   • K. Brooks Low
   • David W. Mount

   OriginalPaper Pages: 197 - 205

2. Feedback inhibition of the DAHP synthetases by tRNA in Saccharomyces cerevisiae

   • Pierre Meuris

   OriginalPaper Pages: 207 - 218

3. Studies on the biosynthesis of TMV

   • M. C. Kielland-Brandt
   • T. Nilsson-Tillgren

   OriginalPaper Pages: 219 - 228

4. Studies on the biosynthesis of TMV

   • M. C. Kielland-Brandt
   • T. Nilsson-Tillgren

   OriginalPaper Pages: 229 - 238

5. Mutants of Aspergillus nidulans altered in the transport of methylammonium and ammonium

   • Herbert N. Arst Jr.
   • Mary M. Page

   OriginalPaper Pages: 239 - 245

6. Phenotypic reversion by 5-fluorouracil of Amber mutations in bacteriophage T4: Characterization of rescued functions

   • Christina Bolund

   OriginalPaper Pages: 247 - 258

7. Mapping of chlorate-resistant mutants of Citrobacter freundii by deletion and complementation analysis

   • J. de Graaff
   • Wilma Barendsen
   • A. H. Stouthamer

   OriginalPaper Pages: 259 - 269

8. Increased spontaneous mutation rates in mutants of E. coli with altered DNA polymerase III

   • Ruth M. Hall
   • W. J. Brammar

   OriginalPaper Pages: 271 - 276

9. Commitment to meiosis in fission yeast

   • Richard Egel

   OriginalPaper Pages: 277 - 284