1. Detection of developmentally regulated genes of the myxobacterium Stigmatella aurantiaca with the transposon Tn5lacZ

   • Andreas Pospiech
   • Björn Neumann
   • Hans Ulrich Schairer

   Original Papers Pages: 201 - 206

2. Utilization of aromatic compounds as carbon and energy sources during growth and N₂-fixation by free-living nitrogen fixing bacteria

   • Yung Pin Chen
   • Geralyne Lopez-de-Victoria
   • Charles R. Lovell

   Original Papers Pages: 207 - 212

3. N ⁵,N ¹⁰-Methenyltetrahydromethanopterin cyclohydrolase from the extremely thermophilic sulfate reducing Archaeoglobus fulgidus: comparison of its properties with those of the cyclohydrolase from the extremely thermophilic Methanopyrus kandleri

   • A. R. Klein
   • J. Breitung
   • R. K. Thauer

   Original Papers Pages: 213 - 219

4. Metabolic effects of benzoate and sorbate in the yeast Saccharomyces cerevisiae at neutral pH

   • Nedda Burlini
   • Rita Pellegrini
   • Andrea Guerritore

   Original Papers Pages: 220 - 224

5. Formylmethanofuran: tetrahydromethanopterin formyltransferase and N ⁵,N ¹⁰-methylenetetrahydromethanopterin dehydrogenase from the sulfate-reducing Archaeoglobus fulgidus: similarities with the enzymes from methanogenic Archaea

   • B. Schwörer
   • J. Breitung
   • R. K. Thauer

   Original Papers Pages: 225 - 232

6. Activity and expression of nitrogenase in Rhodobacter capsulatus under aerobiosis in the dark and in the light

   • G. Klein
   • A. Jahn
   • J. Oelze

   Original Papers Pages: 233 - 236

7. Characterization of a new metal-mobilizing Thiobacillus isolate

   • M. Isabel de Silóniz
   • Paloma Lorenzo
   • Julián Perera

   Original Papers Pages: 237 - 243

8. On a reversible molybdenum-containing aldehyde oxidoreductase from Clostridium formicoaceticum

   • Hiltrud White
   • Claudia Huber
   • Helmut Simon

   Original Papers Pages: 244 - 249

9. Purification, partial characterization, and subcellular localization of a 38 kilodalton, calcium-regulated protein of Rhizobium fredii USDA208

   • Hari B. Krishnan
   • Steven G. Pueppke

   Original Papers Pages: 250 - 256

10. A pathway of the autotrophic CO₂ fixation in Chloroflexus aurantiacus

    • Ruslan N. Ivanovsky
    • Elena N. Krasilnikova
    • Yuri I. Fal

    Original Papers Pages: 257 - 264

11. Purification and characterization of a complex-bound and a free β-1,4-endoxylanase from the culture fluid of the anaerobic fungus Piromyces sp. strain E2

    • Marcel J. Teunissen
    • John M. H. Hermans
    • Godfried D. Vogels

    Original Papers Pages: 265 - 271

12. The existence of an alternative electron-transfer pathway to the periplasmic nitrite reductase (cytochrome cd ₁) in Paracoccus denitrificans

    • I. Maťchová
    • I. Kučera
    • L. F. Oltmann

    Original Papers Pages: 272 - 275

13. Characterisation of mutations in the Klebsiella pneumoniae nitrogen fixation regulatory gene nifL which impair oxygen regulation

    • Carole Sidoti
    • Gail Harwood
    • Mike Merrick

    Original Papers Pages: 276 - 281

14. Isolation and characterization of a new spore-forming sulfate-reducing bacterium growing by complete oxidation of catechol

    • Jan Kuever
    • Juergen Kulmer
    • Karl-Heinz Blotevogel

    Original Papers Pages: 282 - 288

15. Isolation and characterization of an obligately anaerobic, pectinolytic, member of the genus Eubacterium from mullet gut

    • Douglas O. Mountfort
    • William D. Grant
    • Erko Stackebrandt

    Original Papers Pages: 289 - 295

16. Structural characterization and physiological function of component B from Methanosarcina thermophila

    • Andrew P. Clements
    • Robert H. White
    • James G. Ferry

    Original Papers Pages: 296 - 300