1. Two isoaccepting seryl tRNAs coded by separate mitochondrial genes in yeast

   • Elisabetta Colletti
   • Laura Frontali
   • Hiroshi Fukuhara

   OriginalPaper Pages: 1 - 4

2. Monokaryotic fruiting in Schizophyllum commune: Genetic control of the response to mechanical injury

   • John F. Leslie
   • Thomas J. Leonard

   OriginalPaper Pages: 5 - 12

3. Radiation sensitivity of messenger RNA

   • Helmut Ponta
   • Mei-Li Pfennig-Yeh
   • Peter Herrlich

   OriginalPaper Pages: 13 - 17

4. Physical mapping of Staphylococcus aureus penicillinase plasmid pI524: Characterization of an invertible region

   • Ellen Murphy
   • Richard P. Novick

   OriginalPaper Pages: 19 - 30

5. Regulation of dihydrofolate reductase synthesis in Escherichia coli

   • Douglas R. Smith
   • Joseph M. Calvo

   OriginalPaper Pages: 31 - 38

6. Construction and expression of a hybrid plasmid containing the Escherichia coli thrA and thrB genes

   • Pascale Cossart
   • Michaël Katinka
   • Georges N. Cohen

   OriginalPaper Pages: 39 - 44

7. Inheritance of multiple drug resistance in Saccharomyces cerevisiae: Linkage to leu1 and analyses of 2 μm DNA in partial revertants

   • G. W. Saunders
   • G. H. Rank
   • C. P. Hollenberg

   OriginalPaper Pages: 45 - 52

8. IS2-43 and IS2-44: New alleles of the insertion sequence IS2 which have promoter activity

   • Hans Sommer
   • John Cullum
   • Heinz Saedler

   OriginalPaper Pages: 53 - 56

9. Characterization of the mutator mutation mut5-1

   • D. P. Morrison
   • P. J. Hastings

   OriginalPaper Pages: 57 - 65

10. Methylamine/ammonia uptake systems in Saccharomyces cerevisiae: multiplicity and regulation

    • Evelyne Dubois
    • Marcelle Grenson

    OriginalPaper Pages: 67 - 76

11. Characterization of λpolA transducing phages; Effective expression of the E. coli polA gene

    • Noreen E. Murray
    • William S. Kelley

    OriginalPaper Pages: 77 - 87

12. A study of barley stripe mosaic virus (BSMV) genome

    • M. E. Taliansky
    • S. V. Boykov
    • J. G. Atabekov

    OriginalPaper Pages: 89 - 92

13. A study of barley stripe mosaic virus (BSMV) genome

    • V. V. Dolja
    • N. A. Sokolova
    • J. G. Atabekov

    OriginalPaper Pages: 93 - 97

14. Ribosomal proteins of the dimorphic fungus, Mucor racemosus

    • Alf Larsen
    • Paul Sypherd

    OriginalPaper Pages: 99 - 109

15. Low ribonuclease activity in cellular lysates of osmotic sensitive Saccharomyces cerevisiae mutants

    • Pencho V. Venkov

    Short Communication Pages: 111 - 112