1. Expression study with the Escherichia coli lep gene for leader peptidase in phototrophic purple bacteria

   • Roland Dierstein
   • Nasser Gad'on

   Original Papers Pages: 101 - 108

2. Complete oxidation of benzoate and 4-hydroxybenzoate by a new sulfate-reducing bacterium resembling Desulfoarculus

   • Oliver Drzyzga
   • Jan Küver
   • Karl-Heinz Blotevogel

   Original Papers Pages: 109 - 113

3. Ultrastructure of Bacillus pulvifaciens

   • Jiri Ludvik
   • Oldrich Benada
   • Vera Drobniková

   Original Papers Pages: 114 - 118

4. Effect of growth temperature on the fatty acid composition of Mycobacterium phlei

   • Merja Suutari
   • Simo Laakso

   Original Papers Pages: 119 - 123

5. Syntrophic interactions during degradation of 4-aminobenzenesulfonic acid by a two species bacterial culture

   • Burkhard J. Feigel
   • Hans-Joachim Knackmuss

   Original Papers Pages: 124 - 130

6. Amino acid utilization by the ruminal bacterium Synergistes jonesii strain 78-1

   • Christopher S. McSweeny
   • Milton J. Allison
   • Roderick I. Mackie

   Original Papers Pages: 131 - 135

7. Detoxification mechanisms for 1,2,4-benzenetriol employed by a Rhodococcus sp. BPG-8

   • S. Armstrong
   • T. R. Patel
   • M. Whalen

   Original Papers Pages: 136 - 140

8. Effect of methanogenic substrates on coenzyme F₄₂₀-dependent N⁵,N¹⁰-methylene-H₄MPT dehydrogenase, N⁵,N¹⁰-methenyl-H₄MPT cyclohydrolase and F₄₂₀-reducing hydrogenase activities in Methanosarcina barkeri

   • Biswarup Mukhopadhyay
   • Endang Purwantini
   • Lacy Daniels

   Original Papers Pages: 141 - 146

9. Unusual regulation of the uptake system for branched-chain amino acids in Corynebacterium glutamicum

   • Eckhard Boles
   • Holger Ebbighausen
   • Reinhard Krämer

   Original Papers Pages: 147 - 152

10. Inhibition of nitrate reduction by light and oxygen in Rhodobacter sphaeroides forma sp. denitrificans

    • Monique Sabaty
    • Pierre Gans
    • André Verméglio

    Original Papers Pages: 153 - 159

11. Growth and flagellation of Vibrio fischeri during initiation of the sepiolid squid light organ symbiosis

    • E. G. Ruby
    • L. M. Asato

    Original Papers Pages: 160 - 167

12. Influence of oxygen on sulfate reduction and growth of sulfate-reducing bacteria

    • Christoph Marschall
    • Peter Frenzel
    • Heribert Cypionka

    Original Papers Pages: 168 - 173

13. Purification of glutaryl-CoA dehydrogenase from Pseudomonas sp., an enzyme involved in the anaerobic degradation of benzoate

    • Ulrich Härtel
    • Elke Eckel
    • Wolfgang Buckel

    Original Papers Pages: 174 - 181

14. Conversion of 2-chloromaleylacetate in Alcaligenes eutrophus JMP134

    • Martin Dominik Vollmer
    • Karin Stadler-Fritzsche
    • Michael Schlömann

    Original Papers Pages: 182 - 188

15. Spectroscopic and potentiometric characterization of cytochromes in two Sporomusa species and their expression during growth on selected substrates

    • Beate Kamlage
    • Andreas Boelter
    • Michael Blaut

    Original Papers Pages: 189 - 196

16. Formation of acetyl-CoA in Zymomonas mobilis by a pyruvate dehydrogenase complex

    • Stephanie Bringer-Meyer
    • Hermann Sahm

    Short Communication Pages: 197 - 199

17. Acknowledgement to referees in 1992

    Acknowledgments Pages: 200 - 200