1. Differential cytochrome content and reductase activity in Geospirillum barnesii strain SeS3

   • J. F. Stolz
   • Theresa Gugliuzza
   • Francisco Martínez Murillo

   Original paper Pages: 1 - 5

2. Respiratory stimulation and generation of superoxide radicals in Pseudomonas aeruginosa by fungal naphthoquinones

   • H. Haraguchi
   • Kazumi Yokoyama
   • Hiroshi Nozaki

   Original paper Pages: 6 - 10

3. Chromatium glycolicum sp. nov., a moderately halophilic purple sulfur bacterium that uses glycolate as substrate

   • P. Caumette
   • J. F. Imhoff
   • R. Matheron

   Original paper Pages: 11 - 18

4. Pathways of autotrophic CO2 fixation and of dissimilatory nitrate reduction to N2O in Ferroglobus placidus

   • J. A. Vorholt
   • Doris Hafenbradl
   • Rudolf K. Thauer

   Original paper Pages: 19 - 23

5. Haem O and a putative cytochrome bo in a mutant of Bacillus cereus impaired in the synthesis of haem A

   • I. P. Del Arenal
   • M. L. Contreras
   • J. E. Escamilla

   Original paper Pages: 24 - 31

6. Biotransformation of 1-naphthalenesulfonic acid by the green alga Scenedesmus obliquus

   • H. Kneifel
   • Kerstin Elmendorff
   • Carl J. Soeder

   Original paper Pages: 32 - 37

7. Physiological characteristics and growth behavior of single and double hydrogenase mutants of Desulfovibrio fructosovorans

   • Souria Malki
   • Gilles De Luca
   • Z. Dermoun

   Original paper Pages: 38 - 45

8. Methylosulfonomonas methylovora gen. nov., sp. nov., and Marinosulfonomonas methylotropha gen. nov., sp. nov.: novel methylotrophs able to grow on methanesulfonic acid

   • Andrew J. Holmes
   • D. P. Kelly
   • J. Colin Murrell

   Original paper Pages: 46 - 53

9. Clostridium vincentii sp. nov., a new obligately anaerobic, saccharolytic, psychrophilic bacterium isolated from low-salinity pond sediment of the McMurdo Ice Shelf, Antarctica

   • D. O. Mountfort
   • Frederick A. Rainey
   • Erko Stackebrandt

   Original paper Pages: 54 - 60

10. Identification of an assimilatory nitrate reductase in mutants of Paracoccus denitrificans GB17 deficient in nitrate respiration

    • Heather J. Sears
    • Phillip J. Little
    • Stuart J. Ferguson

    Original paper Pages: 61 - 66