1. Phosphorus-31 nuclear magnetic resonance studies of intracellular pH, phosphate compartmentation and phosphate transport in yeasts

   • K. Nicolay
   • W. A. Scheffers
   • R. Kaptein

   Original Papers Pages: 83 - 89

2. Physical evidence for plasmids in autotrophic, especially hydrogen-oxidizing bacteria

   • Christine Gerstenberg
   • Bärbel Friedrich
   • Hans G. Schlegel

   Original Papers Pages: 90 - 96

3. Thylakoid centers: Structures associated with the cyanobacterial photosynthetic membrane system

   • Dennis D. Kunkel

   Original Papers Pages: 97 - 99

4. The influence of hopanoids on growth of Mycoplasma mycoides

   • Elmar Kannenberg
   • Karl Poralla

   Original Papers Pages: 100 - 102

5. Isolation and characterization of heterocysts from Anabaena sp. strain CA

   • Ashok Kumar
   • F. Robert Tabita
   • Chase Van Baalen

   Original Papers Pages: 103 - 109

6. Superoxide radicals and antiradical defence of propionic acid bacteria

   • Lena I. Vorobyova
   • Natalya I. Kraeva

   Original Papers Pages: 110 - 113

7. Kinetics of polyglucose breakdown in Chlorobium

   • Marit Thorud
   • Reidun Sirevåg

   Original Papers Pages: 114 - 117

8. Immunofluorescence of sulphate-reducing bacteria

   • Anthony D. Smith

   Original Papers Pages: 118 - 121

9. Rapid small-scale plasmid isolation by several methods from filamentous cyanobacteria

   • Grant R. Lambert
   • Noel G. Carr

   Original Papers Pages: 122 - 125

10. Nitrite reduction to nitrous oxide by propionibacteria: Detoxication mechanism

    • Heinrich F. Kaspar

    Original Papers Pages: 126 - 130

11. Fructose-bisphosphatase-deficient mutants of the yeast Schizosaccharomyces pombe

    • Alessio Vassarotti
    • Marc Boutry
    • Anne-Marie Colson

    Original Papers Pages: 131 - 136

12. Substratum requirements for bacterial gliding motility

    • Joseph Arlauskas
    • Robert P. Burchard

    Original Papers Pages: 137 - 141

13. Adenylate energy charge during batch culture of Thermoactinomyces vulgaris 42

    • Anne Kahru
    • Maris Liiders
    • Raivo Vilu

    Original Papers Pages: 142 - 144

14. Assimilatory sulfur metabolism in Rhodopseudomonas sulfoviridis

    • Otmar Neutzling
    • Hans G. Trüper

    Original Papers Pages: 145 - 148

15. Photo and nutritional regulation of chloroplast valyl-tRNA synthetase in Euglena

    • Susan A. McCarthy
    • Leslie James
    • Steven D. Schwartzbach

    Original Papers Pages: 149 - 154

16. Microtubule function and its relation to cellular development and the yeast cell cycle in Wangiella dermatitidis

    • Charles W. Jacobs
    • Paul J. Szaniszlo

    Original Papers Pages: 155 - 161

17. Chemotaxis by Rhizobium meliloti

    • Danielle Burg
    • Jean Guillaume
    • Roger Tailliez

    Short Communications Pages: 162 - 163

18. Carotenoid pigments in a red strain of Rhizobium from Lotononis bainesii Baker

    • H. Kleinig
    • W. J. Broughton

    Short Communications Pages: 164 - 164