1. Pyruvate decarboxylase from Zymomonas mobilis. Isolation and partial characterization

   • S. Bringer-Meyer
   • K. -L. Schimz
   • H. Sahm

   Original Papers Pages: 105 - 110

2. Heliobacterium chlorum: cell organization and structure

   • Kenneth R. Miller
   • Jules S. Jacob
   • Michael K. Bowman

   Original Papers Pages: 111 - 114

3. Biosynthesis regulation of the β-glucosidase produced by a yeast strain transformed by genetic engineering

   • M. Leclerc
   • P. Chemardin
   • A. Raynal

   Original Papers Pages: 115 - 117

4. Protonmotive force driven 6-deoxyglucose uptake by the oral pathogen, Streptococcus mutans Ingbritt

   • C. W. Keevil
   • A. S. McDermid
   • D. C. Ellwood

   Original Papers Pages: 118 - 124

5. Biodegradation of polyethylene glycol by symbiotic mixed culture (obligate mutualism)

   • F. Kawai
   • H. Yamanaka

   Original Papers Pages: 125 - 129

6. Localisation of reaction centre and light harvesting complexes in the photosynthetic unit of Rhodopseudomonas viridis

   • W. Stark
   • F. Jay
   • K. Muehlethaler

   Original Papers Pages: 130 - 133

7. Methylammonium uptake by Rhodobacter capsulatus

   • Barbara J. Rapp
   • Deborah C. Landrum
   • Judy D. Wall

   Original Papers Pages: 134 - 141

8. Purification and properties of 3′,5′-cyclic nucleotide phosphodiesterase from Rhizobium fredii MAR-1

   • S. T. Lim
   • U. M. Palanisamy
   • K. K. Ong

   Original Papers Pages: 142 - 146

9. The effect of surfactants on the motility and adhesion of gliding bacteria

   • R. P. Burchard

   Original Papers Pages: 147 - 150

10. Ethylene formation by cell-free extracts of Escherichia coli

    • J. E. Ince
    • C. J. Knowles

    Original Papers Pages: 151 - 158

11. Inhibitory effects of myxothiazol and 2-n-heptyl-4-hydroxyquinoline-N-oxide on the auxiliary electron transport pathways of Rhodobacter capsulatus

    • D. J. Richardson
    • D. J. Kelly
    • K. Alef

    Original Papers Pages: 159 - 165

12. Presence of mycobacteriophage I3-like DNA sequences in the genome of its host Mycobacterium smegmatis

    • C. Sadhu
    • S. Dutta
    • K. P. Gopinathan

    Original Papers Pages: 166 - 169

13. Anaerobic degradation of indolic compounds by sulfate-reducing enrichment cultures, and description of Desulfobacterium indolicum gen. nov., sp. nov.

    • F. Bak
    • F. Widdel

    Original Papers Pages: 170 - 176

14. Anaerobic degradation of phenol and phenol derivatives by Desulfobacterium phenolicum sp. nov.

    • F. Bak
    • F. Widdel

    Original Papers Pages: 177 - 180

15. Monensin and gramicidin stimulate CH₄ formation from H₂ and CO₂ in Methanobacterium thermoautotrophicum at low external Na⁺ concentration

    • P. Schönheit
    • D. B. Beimborn

    Original Papers Pages: 181 - 185

16. Phycobilisomes of wild type and pigment mutants of the cyanobacterium Synechocystis PCC 6803

    • K. Elmorjani
    • J. -C. Thomas
    • P. Sebban

    Original Papers Pages: 186 - 191

17. Chemolithotrophic potential of a Hyphomicrobium species, capable of growth on methylated sulphur compounds

    • G. M. H. Suylen
    • G. C. Stefess
    • J. G. Kuenen

    Original Papers Pages: 192 - 198

18. Urease formation in purple sulfur bacteria (Chromatiaceae) grown on various nitrogen sources

    • Eckhard Bast

    Original Papers Pages: 199 - 203

19. Nitrous oxide production by cyanobacteria

    • P. J. Weathers
    • J. J. Niedzielski

    Short Communication Pages: 204 - 206