1. Physiological and biochemical contributions to the taxonomy of the genus Prototheca

   • Erich Kessler

   Original Papers Pages: 103 - 106

2. Comparative biochemistry of oxygen toxicity in lactic acid-forming aquatic fungi

   • Donald O. Natvig

   Original Papers Pages: 107 - 114

3. A Phanerochaete chrysosporium mutant defective in lignin degradation as well as several other secondary metabolic functions

   • Michael H. Gold
   • Mary B. Mayfield
   • Jeffrey K. Glenn

   Original Papers Pages: 115 - 122

4. Degradation of the diarylpropane lignin model compound 1-(3′,4′-diethoxyphenyl)-1,3-dihydroxy-2-(4′'-methoxyphenyl)-propane and derivatives by the basidiomycete Phanerochaete chrysosporium

   • Akio Enoki
   • Michael H. Gold

   Original Papers Pages: 123 - 130

5. Action spectra for fruiting of the mushroom Coprinus congregatus

   • Roger Durand
   • Roger Jacques

   Original Papers Pages: 131 - 134

6. Isolation of Selenomonas ruminantium from an aquatic ecosystem

   • Peter B. Harborth
   • Hans H. Hanert

   Original Papers Pages: 135 - 140

7. Isolation and characterization of a mutant of Saccharomyces cerevisiae defective in phosphoenolpyruvate carboxykinase

   • Javier Perea
   • Carlos Gancedo

   Original Papers Pages: 141 - 143

8. Metabolism of Saccharomyces cerevisiae envelope mannoproteins

   • F. I. Javier Pastor
   • Enrique Herrero
   • Rafael Sentandreu

   Original Papers Pages: 144 - 148

9. Quantitative and structural characteristics of lipids in Chlorobium and Chloroflexus

   • Egil Knudsen
   • Erik Jantzen
   • Reidun Sirevåg

   Original Papers Pages: 149 - 154

10. Biosynthesis of vitamin B₁₂

    • Vera Höllriegl
    • Lydia Lamm
    • Paul Renz

    Original Papers Pages: 155 - 158

11. The main features of Bacillus thuringiensis δ-endotoxin molecular structure

    • G. G. Chestukhina
    • L. I. Kostina
    • V. M. Stepanov

    Original Papers Pages: 159 - 162

12. Structural aspects of the adaptation of Nostoc muscorum to salt

    • Eduardo Blumwald
    • Elisha Tel-Or

    Original Papers Pages: 163 - 167

13. Osmoregulation and cell composition in salt-adaptation of Nostoc muscorum

    • Eduardo Blumwald
    • Elisha Tel-Or

    Original Papers Pages: 168 - 172

14. Studies on the vitamin B₁₂ auxotrophy of Rhodocyclus purpureus and two other vitamin B₁₂-requiring purple nonsulfur bacteria

    • E. Siefert
    • V. B. Koppenhagen

    Original Papers Pages: 173 - 178

15. The relation between the assimilation of methanol and glycerol in yeasts

    • W. Babel
    • K. H. Hofmann

    Original Papers Pages: 179 - 184

16. Utilization of phthalate esters by micrococci

    • Richard W. Eaton
    • Douglas W. Ribbons

    Original Papers Pages: 185 - 188

17. Regulation of proline catabolism in Pseudomonas aeruginosa PAO

    • Leo Meile
    • Leda Soldati
    • Thomas Leisinger

    Original Papers Pages: 189 - 193

18. Antibiotics from basidiomycetes XVI. Antimicrobial and cytotoxic polyines from Mycena viridimarginata karst

    • Joachim Bäuerle
    • Timm Anke
    • Ferdinand Bosold

    Original Papers Pages: 194 - 196

19. Occurrence and evolutionary significance of two sulfate assimilation pathways in the rhodospirillaceae

    • Johannes F. Imhoff

    Original Papers Pages: 197 - 203

20. Cytochromes, rubredoxin, and sulfur metabolism of the non-thiosulfate-utilizing green sulfur bacterium Pelodictyon luteolum

    • Manfred A. Steinmetz
    • Ulrich Fischer

    Original Papers Pages: 204 - 210

21. Effects of growth temperature on transport and membrane viscosity in Streptococcus faecalis

    • Peter O. Wilkins

    Original Papers Pages: 211 - 215

22. The relatedness of Prochloron sp. Isolated from different didemnid ascidian hosts

    • Erko Stackebrandt
    • Elke Seewaldt
    • Karl-Heinz Schleifer

    Short Communication Pages: 216 - 217