1. On the morphology and ultrastructure of the cell wall of Spirulina platensis

   • C. Van Eykelenburg

   Development and Structure Pages: 89 - 99

2. Effects of growth conditions on the lipid composition of Bifidobacterium bifidum subsp. pennsylvanicum

   • J. H. Veerkamp

   Development and Structure Pages: 101 - 110

3. Effects of growth conditions on the ion composition of Bifidobacterium bifidum subsp. pennsylvanicum

   • J. H. Veerkamp

   Development and Structure Pages: 111 - 124

4. Killer-sensitive relationships in yeasts from natural habitats

   • C. Stumm
   • J. M. H. Hermans
   • G. J. M. L. De Vries

   Development and Structure Pages: 125 - 128

5. Biosynthesis of the yeast cell wall: Selective assays and regulation of some mannosyl transferase activities

   • M. Victoria Elorza
   • G. Larriba
   • R. Sentandreu

   Biochemistry Pages: 129 - 142

6. Isolation of putrescine-requiring mutants of Neurospora crassa

   • K. J. McDougall
   • Janet Deters
   • Julie Miskimen

   Biochemistry Pages: 143 - 151

7. ATP formation associated with fumarate and nitrate reduction in growing cultures of Veillonella alcalescens

   • Wytske de Vries
   • Theresia R. M. Rietveld-Struijk
   • A. H. Stouthamer

   Biochemistry Pages: 153 - 167

8. A taxonomic study of the Penicillium chrysogenum series

   • R. A. Samson
   • R. Hadlok
   • Amelia C. Stolk

   Taxonomy Pages: 169 - 175

9. Lipoquinones of some bacteria and mycoplasmas, with considerations on their functional significance

   • R. Holländer
   • Gerda Wolf
   • W. Mannheim

   Biochemistry Pages: 177 - 185

10. The occurrence of Pseudomonas spp. in surface water and in tap water as determined on citrate media

    • D. Van der Kooij

    Applied Microbiology Pages: 187 - 197

11. Characterization of the E.coli K12 strain AB1157 as impaired in guanine/xanthine metabolism

    • W. P. M. Hoekstra
    • H. G. Vis

    Genetics and Molecular Biology Pages: 199 - 204

12. Ploidy, ascus formation and recombination in Torulaspora (Debaryomyces) hansenii

    • J. P. Van der Walt
    • Maureen B. Taylor
    • N. V. D. W. Liebenberg

    Taxonomy Pages: 205 - 218

13. Kloeckera apis st. nov.; the imperfect state of Hanseniaspora guilliermondii Pijper

    • Maudy Th. Smith
    • F. P. Simione Jr.
    • Sally A. Meyer

    Taxonomy Pages: 219 - 223

14. Ultrastructure of Hanseniaspora ascospores

    • N. J. W. Kreger-van Rij

    Taxonomy Pages: 225 - 232