1. Characterization of ψM1, a virulent phage of Methanobacterium thermoautotrophicum Marburg

   • Leo Meile
   • Urs Jenal
   • Thomas Leisinger

   Original Papers Pages: 105 - 110

2. Response to oxygen of diazotrophic Azospirillum brasilense — Arthrobacter giacomelloi mixed batch culture

   • Isabella Cacciari
   • Daniela Lippi
   • Walter Pietrosanti

   Original Papers Pages: 111 - 114

3. Pyrimidine, purine and nitrogen control of cytosine deaminase synthesis in Escherichia coli K12. Involvement of the glnLG and purR genes in the regulation of codA expression

   • Lennart Andersen
   • Mogens Kilstrup
   • Jan Neuhard

   Original Papers Pages: 115 - 118

4. Isolation and characterization of diverse nopaline type Ti plasmids of Agrobacterium tumefaciens from Japan

   • H. Wabiko
   • M. Kagaya
   • H. Sano

   Original Papers Pages: 119 - 124

5. Ammonium assimilation in Proteus vulgaris, Bacillus pasteurii, and Sporosarcina ureae

   • Gerhard Mörsdorf
   • Heinrich Kaltwasser

   Original Papers Pages: 125 - 131

6. Characterization and localization of phosphatidylglycerophosphate and phosphatidylserine synthases in Rhodobacter sphaeroides

   • Cynthia W. Radcliffe
   • Francis X. Steiner
   • Robert A. Niederman

   Original Papers Pages: 132 - 137

7. Osmoregulation in Dunaliella tertiolecta: effects of salt stress, and the external pH on the internal pH

   • Arun Goyal
   • H. Gimmler

   Original Papers Pages: 138 - 142

8. Effect of aerobiosis on fermentation and key enzyme levels during growth of Pichia stipitis, Candida shehatae and Candida tenuis on d-xylose

   • James C. du Preez
   • Brian van Driessel
   • Bernard A. Prior

   Original Papers Pages: 143 - 147

9. Stress or heat shock protein synthesis and cellular filamentation in psychrophilic and psychrotrophic bacteria

   • Kirk L. McCallum
   • Barbara J. Butler
   • William E. Inniss

   Original Papers Pages: 148 - 153

10. Molecular analysis of methane monooxygenase from Methylococcus capsulatus (Bath)

    • Andrew C. Stainthorpe
    • J. Colin Murrell
    • Veronica Lees

    Original Papers Pages: 154 - 159

11. Isolation and physiological characterisation of Thiobacillus thyasiris sp. nov., a novel marine facultative autotroph and the putative symbiont of Thyasira flexuosa

    • Ann P. Wood
    • Don P. Kelly

    Original Papers Pages: 160 - 166

12. P-31 in-vivo NMR investigation on the function of polyphosphates as phosphate-and energysource during the regreening of the green alga Chlorella fusca

    • A. C. Kuesel
    • J. Sianoudis
    • A. Mayer

    Original Papers Pages: 167 - 171

13. Poly-β-hydroxyalkanoate in Syntrophomonas wolfei

    • Dale A. Amos
    • Michael J. McInerney

    Original Papers Pages: 172 - 177

14. Ureolytic nitrification at low pH by Nitrosospira spec.

    • Wietse de Boer
    • Hendrikus J. Laanbroek

    Original Papers Pages: 178 - 181

15. Immunocytochemical localization of proteins P1, P2, P3 of glycine decarboxylase and of the selenoprotein P_A of glycine reductase, all involved in anaerobic glycine metabolism of Eubacterium acidaminophilum

    • W. Freudenberg
    • F. Mayer
    • J. R. Andreesen

    Original Papers Pages: 182 - 188

16. Anaerobic acetate oxidation to CO₂ by Desulfotomaculum acetoxidans

    • Alfred M. Spormann
    • Rudolf K. Thauer

    Original Papers Pages: 189 - 195

17. Export of porin to the outer membrane of the phototrophic bacterium Rhodobacter capsulatus 37B4

    • Daniela Woitzik
    • Jürgen Weckesser
    • Roland Dierstein

    Original Papers Pages: 196 - 200

18. One-carbon compounds transport studies in the obligate methylotroph

    • N. Borisov
    • A. Netrusov

    Original Papers Pages: 201 - 205

19. Nucleotide sequence of 16S rRNA and phylogenetic position of the green sulfur bacterium Clathrochloris sulfurica

    • Dagmar Witt
    • Talya Bergstein-Ben Dan
    • Erko Stackebrandt

    Short Communication Pages: 206 - 208