1. Conversion of energy in halobacteria: ATP synthesis and phototaxis

   • S. Bickel-Sandkötter
   • Wolfgang Gärtner
   • Michaela Dane

   Mini-review Pages: 1 - 11

2. Morphological, physiological, and molecular characterization of actinomycetes isolated from dry soil, rocks, and monument surfaces

   • Martin Eppard
   • W. E. Krumbein
   • Erko Stackebrandt

   Original paper Pages: 12 - 22

3. Oxidation of nitric oxide by a new heterotrophic Pseudomonas sp.

   • Matthias Koschorreck
   • Edward Moore
   • R. Conrad

   Original paper Pages: 23 - 31

4. Export of the periplasmic NADP-containing glucose-fructose oxidoreductase of Zymomonas mobilis

   • Thomas Wiegert
   • Hermann Sahm
   • G. A. Sprenger

   Original paper Pages: 32 - 41

5. Characterisation of a chromosomally encoded catechol 1,2-dioxygenase (E.C. 1.13.11.1) from Alcaligenes eutrophus CH34

   • G. Sauret-Ignazi
   • Jean Gagnon
   • Ariane Toussaint

   Original paper Pages: 42 - 50

6. Extracellular iron reductase activity produced by Listeria monocytogenes

   • Esau Barchini
   • Richard E. Cowart

   Original paper Pages: 51 - 57

7. Identification of two classes of transcriptional regulator genes in the cyanobacterium Synechococcus sp. strain PCC 7942

   • Shivanthi Anandan
   • Mark S. Nalty
   • S. S. Golden

   Original paper Pages: 58 - 63

8. Culturability and survival of an extreme thermophile isolated from deep-sea hydrothermal vents

   • J. M. González
   • C. Kato
   • Koki Horikoshi

   Short communication Pages: 64 - 67

9. Major differences between the rrnA operons of two strains of Agrobacterium vitis

   • L. Otten
   • Patrice De Ruffray

   Short communication Pages: 68 - 70