1. Sterols synthesized by cultured trichomycetes

   • Anne M. Starr
   • Robert W. Lichtwardt
   • Ted A. Baer

   OriginalPaper Pages: 185 - 189

2. Muramic acid in the cell walls of Prochloron

   • D. J. W. Moriarty

   OriginalPaper Pages: 191 - 193

3. Alteration of cyanobacterial glutamine synthetase activity in vivo in response to light and NH ₄ ⁺

   • P. Rowell
   • M. J. A. M. Sampaio
   • W. D. P. Stewart

   OriginalPaper Pages: 195 - 200

4. Enumeration of bacteria forming acetate from H₂ and CO₂ in anaerobic habitats

   • M. Braun
   • S. Schoberth
   • G. Gottschalk

   OriginalPaper Pages: 201 - 204

5. Characterization of the cytoplasmic fibrils of Treponema refringens (Nichols)

   • Susan R. Eipert
   • S. H. Black

   OriginalPaper Pages: 205 - 213

6. Physiological performances of the blue-green alga Anacystis nidulans in continuous turbidostat fermenter culture

   • Kurt Frischknecht
   • Kurt Schneider

   OriginalPaper Pages: 215 - 221

7. Branched chain amino acid aminotransferase isoenzymes of Pseudomonas cepacia

   • H. C. Wong
   • T. G. Lessie

   OriginalPaper Pages: 223 - 229

8. Physicochemical and in situ observations on the adhesion of gliding bacteria to surfaces

   • Beverley A. Humphrey
   • M. R. Dickson
   • K. C. Marshall

   OriginalPaper Pages: 231 - 238

9. Photosensory transduction in Euglena gracilis: Effect of some metabolic drugs on the photophobic response

   • Corrado Barghigiani
   • Giuliano Colombetti
   • Maria Pia Bizzaro

   OriginalPaper Pages: 239 - 245

10. Accumulation of proteinase in the cell wall of Streptococcus cremoris strain AM₁ and regulation of its production

    • F. A. Exterkate

    OriginalPaper Pages: 247 - 254

11. Electron microscopic study on the quaternary structure of the isolated particulate alcohol-acetaldehyde dehydrogenase complex and on its identity with the polygonal bodies of Clostridium kluyveri

    • R. Lurz
    • F. Mayer
    • G. Gottschalk

    OriginalPaper Pages: 255 - 262

12. Regulation of ammonium uptake and metabolism by nitrogen fixing bacteria. III. Clostridium pasteurianum

    • D. Kleiner

    OriginalPaper Pages: 263 - 270

13. Separation of algal mixtures and bacterial mixtures with flow-microfluorometer using chlorophyll and ethidium bromide fluorescence

    • A. S. Paau
    • J. R. Cowles
    • E. Hungerford

    OriginalPaper Pages: 271 - 273

14. Growth and energy production in Bacteroides amylophilus

    • Howard F. Jenkinson
    • Malcolm Woodbine

    OriginalPaper Pages: 275 - 281

15. The reconstitution of photophosphorylation and the effect of inorganic phosphate at different pH's on the phenazine methosulfate photoinhibition of Rhodospirillum rubrum chromatophores

    • Norma L. Pucheu
    • Norma L. Kerber
    • Augusto F. García

    OriginalPaper Pages: 283 - 287

16. DNA-DNA homology studies among strains of Arthrobacter and Brevibacterium

    • E. Stackebrandt
    • F. Fiedler

    OriginalPaper Pages: 289 - 295

17. Pulvomycin, an inhibitor of prokaryotic protein biosynthesis

    • D. Assmann
    • H. Wolf

    Short Communications Pages: 297 - 299

18. Interfamilial transfer of amber suppressor gene for the isolation of amber mutants of mycobacteriophage I3

    • T. Ramakrishnan
    • M. S. Shaila

    Short Communications Pages: 301 - 302