1. Change in the H₂ photoproduction capability in a synchronously grown aerobic nitrogen-fixing cyanobacterium, Synechococcus sp. Miami BG 043511

   • Shoichiro Suda
   • Shuzo Kumazawa
   • Akira Mitsui

   Original Papers Pages: 1 - 4

2. Light and the recovery from heat shock induce the synthesis of 38 kDa mitochondrial proteins in Neurospora crassa

   • Walter Kohler
   • Ludger Rensing

   Original Papers Pages: 5 - 8

3. Isopropylbenzene (cumene) — a new substrate for the isolation of trichloroethene-degrading bacteria

   • Birgit Dabrock
   • Jutta Riedel
   • Gerhard Gottschalk

   Original Papers Pages: 9 - 13

4. In vivo inhibition of nitrogenase by hydroxylamine in Rhodospirillaceae Role of nitric oxide

   • F. Javier Caballero
   • M. Isabel Igeño
   • Francisco Castillo

   Original Papers Pages: 14 - 18

5. Effect of the Urtica dioica agglutinin on germination and cell wall formation of Phycomyces blakesleeanus Burgeff

   • Jan Van Parijs
   • Hilde M. Joosen
   • André J. Van Laere

   Original Papers Pages: 19 - 25

6. The role of motility in the efficiency of nodulation by Rhizobium meliloti

   • Wanda Malek

   Original Papers Pages: 26 - 28

7. Emodin O-methyltransferase from Aspergillus terreus

   • Zhi-Gang Chen
   • Isao Fujii
   • Ushio Sankawa

   Original Papers Pages: 29 - 34

8. Some properties of glutamate dehydrogenase, glutamine synthetase and glutamate synthase from Corynebacterium callunae

   • Haluk Ertan

   Original Papers Pages: 35 - 41

9. The effect of various culture conditions on the levels of ammonia assimilatory enzymes of Corynebacterium callunae

   • Haluk Ertan

   Original Papers Pages: 42 - 47

10. A strictly anaerobic nitrate-reducing bacterium growing with resorcinol and other aromatic compounds

    • Norbert Gorny
    • Günther Wahl
    • Bernhard Schink

    Original Papers Pages: 48 - 53

11. The effect of pH on the heat production and membrane resistance of Streptococcus bovis

    • James B. Russell

    Original Papers Pages: 54 - 58

12. Continuous chemotrophic growth and respiration of Chromatiaceae species at low oxygen concentrations

    • Jörg Overmann
    • Norbert Pfennig

    Original Papers Pages: 59 - 67

13. An Escherichia coli mutant containing only demethylmenaquinone, but no menaquinone: effects on fumarate, dimethylsulfoxide, trimethylamine N-oxide and nitrate respiration

    • U. Wissenbach
    • D. Ternes
    • G. Unden

    Original Papers Pages: 68 - 73