1. Effect of anaerobiosis on photosynthetic reactions and nitrogen metabolism of algae with and without hydrogenase

   • Erich Kessler

   OriginalPaper Pages: 91 - 100

2. Nitrogen fixation by Anabaena cylindrica

   • N. M. Weare
   • John R. Benemann

   OriginalPaper Pages: 101 - 112

3. Quantification of bacterial and fungal contributions to soil respiration

   • J. P. E. Anderson
   • K. H. Domsch

   OriginalPaper Pages: 113 - 127

4. The pattern of protein and nucleic acid synthesis in germinating spores of Phycomyces blakesleeanus

   • J. A. Van Assche
   • A. R. Carlier

   OriginalPaper Pages: 129 - 136

5. The peculiar marine phycomycete Atkinsiella dubia from crab eggs

   • Frederick K. Sparrow

   OriginalPaper Pages: 137 - 144

6. Untersuchungen zur Wirkung von Usninsäure auf die Grünalge Chlamydomonas reinhardii

   • O. Schimmer
   • H. Lehner

   OriginalPaper Pages: 145 - 154

7. Influence of glucose on adenine nucleotide levels and energy charge in Acetobacter aceti

   • Brigitte Bächi
   • L. Ettlinger

   OriginalPaper Pages: 155 - 164

8. Reversion of protoplasts and spheroplasts in the yeast Nadsonia elongata

   • Marie Havelková

   OriginalPaper Pages: 165 - 170

9. The separation of three malate dehydrogenase isoenzymes from Coprinus lagopus (sensu Buller)

   • Joseph O'Sullivan

   Short Communications Pages: 171 - 174

10. Root hair infection and nodule to lateral root relationship in lucerne seedlings as influenced by dalapon and amitrole

    • M. Lakshmi-Kumari
    • N. S. Subba Rao

    Short Communications Pages: 175 - 178