1. Yeast PAPS reductase: properties and requirements of the purified enzyme

   • Jens D. Schwenn
   • Frank A. Krone
   • Knut Husmann

   Original Papers Pages: 313 - 319

2. Factors affecting the survival and growth of bacteria introduced into lake water

   • Phillip R. Scheuerman
   • John P. Schmidt
   • Martin Alexander

   Original Papers Pages: 320 - 325

3. Melanin production encoded by a cryptic plasmid in a Rhizobium leguminosarum strain

   • Michael F. Hynes
   • Kerstin Brucksch
   • Ursula Priefer

   Original Papers Pages: 326 - 332

4. Transient states of geosmin, pigments, carbohydrates and proteins in continuous cultures of Oscillatoria brevis induced by changes in nitrogen supply

   • Helga Naes
   • Anton F. Post

   Original Papers Pages: 333 - 337

5. Adsorption and uptake of nickel in Methanothrix concilii

   • Catherine Baudet
   • G. Dennis Sprott
   • Girishchandra B. Patel

   Original Papers Pages: 338 - 342

6. Photophobic responses of the cyanobacterium Anabaena variabilis

   • Wilhelm Nultsch
   • Andrea Mecke

   Original Papers Pages: 343 - 347

7. Transient accumulation of potassium glutamate and its replacement by trehalose during adaptation of growing cells of Escherichia coli K-12 to elevated sodium chloride concentrations

   • Ulrike Dinnbier
   • Eva Limpinsel
   • Evert P. Bakker

   Original Papers Pages: 348 - 357

8. Anaerobic metabolism of cyclohexanol by denitrifying bacteria

   • Werner Dangel
   • Andreas Tschech
   • Georg Fuchs

   Original Papers Pages: 358 - 362

9. Temperature-sensitive murein synthesis in an Escherichia coli pdx mutant and the role of alanine racemase

   • Dennis W. Grogan

   Original Papers Pages: 363 - 367

10. Functional and spectral characterization of the respiratory chain of Chloroflexus aurantiacus grown in the dark under oxygen-saturated conditions

    • Davide Zannoni
    • R. Clinton Fuller

    Original Papers Pages: 368 - 373

11. Anaerobic acetate oxidation to CO₂ by Desulfotomaculum acetoxidans

    • Alfred M. Spormann
    • Rudolf K. Thauer

    Original Papers Pages: 374 - 380

12. Observations on the reduction of non-activated carboxylates by Clostridium formicoaceticum with carbon monoxide or formate and the influence of various viologens

    • Laurent Fraisse
    • Helmut Simon

    Original Papers Pages: 381 - 386

13. Effect of adhesion to particles on the survival and activity of Nitrosomonas sp. and Nitrobacter sp.

    • Shaher Diab
    • Moshe Shilo

    Original Papers Pages: 387 - 393

14. Evidence for urea cycle activity in Sporosarcina ureae

    • Stephen E. Gruninger
    • Manuel Goldman

    Original Papers Pages: 394 - 399

15. N²-Succinylornithine in ornithine catabolism of Pseudomonas aeruginosa

    • Corinne Vander Wauven
    • Alfred Jann
    • Victor Stalon

    Original Papers Pages: 400 - 404

16. Reductive activation of the methyl-tetrahydromethanopterin: coenzyme M methyltransferase from Methanobacterium thermoautotrophicum strain ΔH

    • Servé W. M. Kengen
    • Judith J. Mosterd
    • Godfried D. Vogels

    Original Papers Pages: 405 - 412

17. Regulation of production of proteolytic enzymes by the entomopathogenic fungus Metarhizium anisopliae

    • R. J. St. Leger
    • P. K. Durrands
    • A. K. Charnley

    Original Papers Pages: 413 - 416