1. Comments on the translational and transcriptional origin of Euglena chloroplastic aminoacyl-tRNA synthetases

   • W. Edgar Barnett
   • S. D. Schwartzbach
   • L. I. Hecker

   OriginalPaper Pages: 201 - 203

2. Utilization of ³⁵S-Thiosulphate and an appraisal of the role of ATP-sulphurylase in chemolithotrophic Thiobacillus ferrooxidans

   • Bruce C. Kelley
   • Olli H. Tuovinen
   • D. J. Donald Nicholas

   OriginalPaper Pages: 205 - 208

3. Localization and partial characterization of a sex-specific enzyme in homothallic and heterothallic mucorales

   • Bertine A. Werkman

   OriginalPaper Pages: 209 - 213

4. Structural transformation of the phagosomal membrane in Tetrahymena cells endocytosing latex beads

   • Werner Batz
   • Frank Wunderlich

   OriginalPaper Pages: 215 - 220

5. Inactivation by glucose of phosphoenolpyruvate carboxykinase from Saccharomyces cerevisiae

   • Carlos Gancedo
   • Klaus Schwerzmann

   OriginalPaper Pages: 221 - 225

6. Regulation of amino acid transport in growing cells of Streptomyces hydrogenans

   • Wolfgang Langheinrich
   • Klaus Ring

   OriginalPaper Pages: 227 - 235

7. A reduced pyridine nucleotides-diaphorase activity associated to the assimilatory nitrite reductase complex from Neurospora crassa

   • José M. Vega

   OriginalPaper Pages: 237 - 242

8. Acetone production by methylobacteria

   • Alan W. Thomson
   • J. Gary O'Neill
   • John F. Wilkinson

   OriginalPaper Pages: 243 - 246

9. Die Wirkung von d-Aminosäuren auf die Struktur und Biosynthese des Peptidoglycans

   • Bernd Trippen
   • Walter P. Hammes
   • Otto Kandler

   OriginalPaper Pages: 247 - 261

10. Secretion of β-glucosidase by Ochromonas danica

    • Dwight H. Meyer

    OriginalPaper Pages: 263 - 270

11. Paramural bodies of Albugo candida

    • Saeed R. Khan

    OriginalPaper Pages: 271 - 275

12. Ultrastructure of infection of Cokeromyces recurvatus by Piptocephalis unispora (Mucorales)

    • P. Jeffries
    • T. W. K. Young

    OriginalPaper Pages: 277 - 288

13. The developmental patterns of lysosomal enzyme activities during Ca²⁺-induced sporangium formation in Achlya bisexualis

    • Robert B. Sutherland
    • Barbara M. Schuerch
    • Paul A. Horgen

    OriginalPaper Pages: 289 - 294

14. On the possible role of respiratory activity of Acholeplasma laidlawii cells in sugar transport

    • M. A. Tarshis
    • A. G. Bekkouzjin
    • V. G. Ladygina

    OriginalPaper Pages: 295 - 299

15. Isolation and purification of reaction center from Rhodopseudomonas viridis NHTC 133 by means of LDAO

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

    OriginalPaper Pages: 301 - 305

16. The effect of transfer from low to high light intensity on electron transport in Rhodospirillum rubrum membranes

    • H. Irschik
    • J. Oelze

    OriginalPaper Pages: 307 - 313

17. The use of stable sulfur isotope labelling to elucidate sulfur metabolism by Clostridium pasteurianum

    • Ronald G. L. McCready
    • Edward J. Laishley
    • H. Roy Krouse

    Short Communications Pages: 315 - 317

18. Bactéries fermentatives, sulfato-réductrices et phototrophes sulfureuses en cultures mixtes

    • Robert Matheron
    • Renée Baulaigue

    Short Communications Pages: 319 - 320

19. Über das ätherische Öl von Grünalgen

    • Reinhard Liersch

    Short Communications Pages: 321 - 322