1. The influence of GAP promoter variants on hirudin production, average plasmid copy number and cell growth in Saccharomyces cerevisiae

   • M. Janes
   • B. Meyhack
   • A. Hinnen

   Original Articles Pages: 97 - 103

2. A sequence that directs transcriptional initiation in yeast

   • A. M. Healy
   • R. S. Zitomer

   Original Articles Pages: 105 - 109

3. The RAD50 gene, a member of the double strand break repair epistasis group, is not required for spontaneous mitotic recombination in yeast

   • R. E. Malone
   • T. Ward
   • J. Waring

   Original Articles Pages: 111 - 116

4. Two group I mitochondrial introns in the cob-box and coxI genes require the same MRS1/PET157 nuclear gene product for splicing

   • I. Bousquet
   • G. Dujardin
   • P. P. Slonimski

   Original Articles Pages: 117 - 124

5. Restriction map of the mitochondrial DNA of the true slime mould, Physarum polycephalum: linear form and long tandem duplication

   • H. Takano
   • S. Kawano
   • T. Kuroiwa

   Original Articles Pages: 125 - 131

6. The mitochondrial nad5 gene of sugar beet (Beta vulgaris) encoding a subunit of the respiratory NADH dehydrogenase

   • W. Ecke
   • U. Schmitz
   • G. Michaelis

   Original Articles Pages: 133 - 139

7. Patterns of organellar and nuclear inheritance among progeny of two geographically isolated strains of Volvox carteri

   • C. R. Adams
   • K. A. Stamer
   • D. L. Kirk

   Original Articles Pages: 141 - 153

8. Translational accuracy and sexual differentiation in Chlamydomonas reinhardtii

   • L. Bulté
   • P. Bennoun

   Original Articles Pages: 155 - 160

9. Cloning and expression of a second Aspergillus niger pectin lyase gene (pelA): Indications of a pectin lyase gene family in A. niger

   • J. A. M. Harmsen
   • M. A. Kusters-van Someren
   • J. Visser

   Original Articles Pages: 161 - 166

10. Direct evidence that restriction endonucleases may under estimate the degree of divergence between molecules

    • C. De Giorgi
    • F. De Luca
    • C. Saccone

    Short Communications Pages: 167 - 168

11. An effective transformation method for Hansenula polymorpha

    • E. Berardi
    • D. Y. Thomas

    Short Communications Pages: 169 - 170

12. Instability of a yellow mutation in Chlamydomonas reinhardtii is not due to TOC1 elements

    • A. Day
    • J.-D Rochaix

    Short Communications Pages: 171 - 174