1. Osmoregulation in Escherichia coli by accumulation of organic osmolytes: betaines, glutamic acid, and trehalose

   • P. I. Larsen
   • L. K. Sydnes
   • A. R. Strøm

   Original Papers Pages: 1 - 7

2. Evolution of the biochemical pathway for aromatic amino acid biosynthesis in Serpens flexibilis in relationship to its phylogenetic position

   • S. Ahmad
   • R. A. Jensen

   Original Papers Pages: 8 - 12

3. Isolation and characterization of Methanocorpusculum parvum, gen. nov., spec. nov., a new tungsten requiring, coccoid methanogen

   • G. Zellner
   • C. Alten
   • J. Winter

   Original Papers Pages: 13 - 20

4. Isolation of an extremely thermophilic chemoorganotrophic anaerobe similar to Dictyoglomus thermophilum from new zealand hot springs

   • B. K. Patel
   • H. W. Morgan
   • R. M. Daniel

   Original Papers Pages: 21 - 24

5. The cytoplasmic pH in photosynthesizing cells of the green alga Chlorella fusca, measured by P-31 NMR spectroscopy

   • J. Sianoudis
   • A. C. Küsel
   • D. Leibfritz

   Original Papers Pages: 25 - 29

6. Enzyme profiles of Thiobacillus versutus after aerobic and denitrifying growth: Regulation of isocitrate lyase

   • P. A. M. Claassen
   • M. H. M. J. van den Heuvel
   • A. J. B. Zehnder

   Original Papers Pages: 30 - 36

7. A ³¹P NMR study of the internal pH of yeast peroxisomes

   • K. Nicolay
   • M. Veenhuis
   • W. Harder

   Original Papers Pages: 37 - 41

8. A proton-translocating adenosine triphosphatase is associated with the peroxisomal membrane of yeasts

   • A. C. Douma
   • M. Veenhuis
   • W. Harder

   Original Papers Pages: 42 - 47

9. Nitrogen fixation in Pseudomonas stutzeri

   • A. Krotzky
   • D. Werner

   Original Papers Pages: 48 - 57

10. Cytosine deaminase that hydrolyzes creatinine to N-methylhydantoin in various cytosine deaminase-forming microorganisms

    • Jorg Min Kim
    • Sakayu Shimizu
    • Hideaki Yamada

    Original Papers Pages: 58 - 63

11. Characterization of the amine oxidase involved in the growth of Trichosporon cutaneum X₄ on ethylamine as source of carbon, nitrogen and energy

    • P. J. Large
    • L. A. Sherlock

    Original Papers Pages: 64 - 67

12. Buoyant density fluctuations during the cell cycle of Bacillus subtilis

    • A. Hart
    • C. Edwards

    Original Papers Pages: 68 - 72

13. Steady state and transient growth of autotrophic nitrifying bacteria

    • G. A. Keen
    • J. I. Prosser

    Original Papers Pages: 73 - 79

14. Obligately phototrophic Chloroflexus: primary production in anaerobic hot spring microbial mats

    • S. J. Giovannoni
    • N. P. Revsbech
    • R. W. Castenholz

    Original Papers Pages: 80 - 87

15. Presence and regulation of ATP:citrate lyase from the citric acid producing fungus Aspergillus niger

    • A. Pfitzner
    • C. P. Kubicek
    • M. Röhr

    Original Papers Pages: 88 - 91

16. The phylogenetic position of the budding bacteria Blastobacter aggregatus and Gemmobacter aquatilis gen., nov. sp. nov.

    • B. Rothe
    • A. Fischer
    • E. Stackebrandt

    Original Papers Pages: 92 - 99

17. Growth inhibition of hopanoid synthesizing bacteria by squalene cyclase inhibitors

    • G. Flesch
    • M. Rohmer

    Original Papers Pages: 100 - 104