1. Effect of different mutaions in ribosomal protein S5 of Escherichia coli on translational fidelity

   • W. Piepersberg
   • A. Böck
   • H. G. Wittmann

   OriginalPaper Pages: 91 - 100

2. Characterization of the DNA from bacteriophage P2-186 hybrids and physical mapping of the 186 chromosome

   • H. Banfield Younghusband
   • J. Barry Egan
   • Ross B. Inman

   OriginalPaper Pages: 101 - 110

3. Appearance of transducing particles and the fate of host DNA after infection of Salmonella typhimurium with P22-mutants with increased transducing ability (HT-mutants)

   • Horst Schmieger
   • Ursula Buch

   OriginalPaper Pages: 111 - 122

4. Isolation of phage P2-186 intervarietal hybrids and 186 insertion mutants

   • Clifford Bradley
   • Ong Peng Ling
   • J. Barry Egan

   OriginalPaper Pages: 123 - 135

5. Studies of partially repressed mutants at the tamA and areA loci in Aspergillus nidulans

   • J. R. Kinghorn
   • J. A. Pateman

   OriginalPaper Pages: 137 - 147

6. Studies on a temperature sensitive nuclear petite mutant of Saccharomyces cerevisiae: Phenotypic reversibility of the mitochondrial functions

   • A. M. Guerrini
   • M. A. Pedrini
   • E. Gionti

   OriginalPaper Pages: 149 - 158

7. panD, a new chromosomal locus of Salmonella typhimurium for the biosynthesis of β-alanine

   • Manuel V. Ortega
   • Adolfo Cárdenas
   • Dolores Ubiera

   OriginalPaper Pages: 159 - 164

8. Pyrimidine biosynthesis in Aspergillus nidulans

   • L. M. Palmer
   • C. Scazzocchio
   • D. J. Cove

   OriginalPaper Pages: 165 - 173

9. Plasmid-determined alterations of Salmonella typhimurium lipopolysaccharides

   • Mieczysława Deryło
   • Maria Głowacka
   • Ryszard Russa

   OriginalPaper Pages: 175 - 181

10. Announcement

    Announcement Pages: 82 - 82