1. Isolation and properties of an isocitrate dehydrogenase from Anacystis nidulans

   • Gamil M. Friga
   • Gábor L. Farkas

   OriginalPaper Pages: 331 - 334

2. Generation of succinyl-coenzyme A in photosynthetic bacteria

   • J. Thomas Beatty
   • Howard Gest

   OriginalPaper Pages: 335 - 340

3. Accumulation of guanosine tetraphosphate (ppGpp) under nitrogen starvation in Anacystis nidulans, a cyanobacterium

   • Gamil M. Friga
   • G. Borbély
   • G. L. Farkas

   OriginalPaper Pages: 341 - 343

4. Inhibition of nitrogenase activity by metronidazole in Rhodopseudomonas capsulata

   • Bruce C. Kelley
   • D. J. D. Nicholas

   OriginalPaper Pages: 344 - 348

5. Viability of Rhizobium leguminosarum endosymbionts in different stages of development

   • Rommert C. van den Bos
   • William J. Broughton

   OriginalPaper Pages: 349 - 352

6. Relationship of internal cyclic AMP levels, rates of protein synthesis and mucor dimorphism

   • Michael Orlowski
   • Joseph F. Ross

   OriginalPaper Pages: 353 - 356

7. Mixotrophic and heterotrophic growth of Beggiatoa alba in continuous culture

   • Hans Güde
   • William R. Strohl
   • John M. Larkin

   OriginalPaper Pages: 357 - 360

8. Quantification and intracellular distribution of ribulose-1,5-bisphosphate carboxylase in Thiobacillus neapolitanus, as related to possible functions of carboxysomes

   • R. F. Beudeker
   • G. A. Codd
   • J. G. Kuenen

   OriginalPaper Pages: 361 - 367

9. Homoserine and threonine pools of borrelidin resistant Saccharomyces cerevisiae mutants with an altered aspartokinase

   • Michael Seibold
   • Karl Nill
   • Karl Poralla

   OriginalPaper Pages: 368 - 370

10. Is light-dependent formation of inorganic pyrophosphate in Anacystis a photosynthetic process?

    • T. Bornefeld

    OriginalPaper Pages: 371 - 373

11. Biliprotein assembly in the hemidiscoidal phycobilisomes of the thermophilic cyanobacterium Mastigocladus laminosus Cohn. Characterization of dissociation products with special reference to the peripheral phycoerythrocyanin-phycocyanin complexes

    • Michael Nies
    • Werner Wehrmeyer

    OriginalPaper Pages: 374 - 379

12. H₂-Recycling system in mungbean Rhizobium in relation to N₂-fixation

    • Kamlesh Pahwa
    • Ramesh Chander Dogra

    OriginalPaper Pages: 380 - 383

13. Plasmids required for utilization of molecular hydrogen by Alcaligenes eutrophus

    • Kjell Andersen
    • Robert C. Tait
    • William R. King

    OriginalPaper Pages: 384 - 390

14. The pathways of ammonium assimilation in Rhizobium meliloti

    • Hassan Ali
    • Christian Niel
    • Jean B. Guillaume

    OriginalPaper Pages: 391 - 394

15. Studies on dissimilatory sulfate-reducing bacteria that decompose fatty acids

    • Friedrich Widdel
    • Norbert Pfennig

    OriginalPaper Pages: 395 - 400

16. Sporulation and further nutritional characteristics of Desulfotomaculum acetoxidans

    • Friedrich Widdel
    • Norbert Pfennig

    Short Communication Pages: 401 - 402