1. Colicins: structures, modes of action, transfer through membranes, and evolution

   • Volkmar Braun
   • Holger Pilsl
   • Patricia Groß

   Minireview Pages: 199 - 206

2. Ammonium-stimulated, sodium-dependent uptake of glutamine in Bacillus pasteurii

   • Thomas Jahns

   Original Papers Pages: 207 - 214

3. Characterization of Desulfomicrobium escambium sp. nov. and proposal to assign Desulfovibrio desulfuricans strain Norway 4 to the genus Desulfomicrobium

   • Barbara R. Sharak Genthner
   • Gary Mundfrom
   • Richard Devereux

   Original Papers Pages: 215 - 219

4. Tungstate can substitute for molybdate in sustaining growth of Methanobacterium thermoautotrophicum

   • Peter A. Bertram
   • Ruth A. Schmitz
   • Rudolf K. Thauer

   Original Papers Pages: 220 - 228

5. Selectivity of food bacteria for the growth of anaerobic ciliate Trimyema compressum

   • Kazutaka Yamada
   • Yoichi Kamagata
   • Isei Nakamura

   Original Papers Pages: 229 - 233

6. Glycinebetaine stimulates, but NaCl inhibits, fatty acid biosynthesis in the moderately halophilic eubacterium HX

   • Thomas Kuchta
   • Nicholas J. Russell

   Original Papers Pages: 234 - 238

7. Succinate-ethanol fermentation in Clostridium kluyveri: purification and characterisation of 4-hydroxybutyryl-CoA dehydratase/vinylacetyl-CoA Δ³-Δ²-isomerase

   • Uwe Scherf
   • Brigitte Söhling
   • Wolfgang Buckel

   Original Papers Pages: 239 - 245

8. Asymmetric hydrolysis of R-(−),S(+)-2-methylbutyronitrile by Rhodococcus rhodochrous NCIMB 11216

   • Michelle L. Gradley
   • Clive J. F. Deverson
   • Christopher J. Knowles

   Original Papers Pages: 246 - 251

9. Hemolysin II is more characteristic of Bacillus thuringiensis than Bacillus cereus

   • Zhanna I. Budarina
   • Michael A. Sinev
   • Nikolai P. Kuzmin

   Original Papers Pages: 252 - 257

10. Cytochrome aa ₃ from Methylococcus capsulatus (Bath)

    • Alan A. DiSpirito
    • Andrew K. Shiemke
    • Cinder L. Krema

    Original Papers Pages: 258 - 265

11. Desulfurization of dibenzothiophene to 2-hydroxybiphenyl by some newly isolated bacterial strains

    • Ping Wang
    • Steven Krawiec

    Original Papers Pages: 266 - 271

12. Biosynthesis of δ-aminolevulinic acid from glutamate by Sulfolobus solfataricus

    • Gail L. Matters
    • Samuel I. Beale

    Original Papers Pages: 272 - 276

13. Methylobacterium rhodesianum MB 126 possesses two acetoacetyl-CoA reductases

    • Gisela Mothes
    • Wolfgang Babel

    Short Communication Pages: 277 - 280