1. NAD kinase from Bacillus licheniformis: inhibition by NADP and other properties

   • Charles R. Zerez
   • Douglas E. Moul
   • Anthony J. Andreoli

   Original Papers Pages: 313 - 316

2. Condensed phosphate deposition, sulfur amino acid use, and unidirectional transsulfuration in Synechococcus leopoliensis

   • Nelson H. Lawry
   • Thomas E. Jensen

   Original Papers Pages: 317 - 323

3. Thermotoga maritima sp. nov. represents a new genus of unique extremely thermophilic eubacteria growing up to 90°C

   • Robert Huber
   • Thomas A. Langworthy
   • Karl O. Stetter

   Original Papers Pages: 324 - 333

4. Symbiotically defective histidine auxotrophs of Bradyrhizobium japonicum

   • Michael J. Sadowsky
   • Katalin Rostas
   • Desh Pal S. Verma

   Original Papers Pages: 334 - 339

5. Chemical changes in cell envelope and poly-β-hydroxybutyrate during short term starvation of a marine bacterial isolate

   • Karin Malmcrona-Friberg
   • Anders Tunlid
   • Göran Odham

   Original Papers Pages: 340 - 345

6. The properties of l-fucose binding agglutinin associated with the cell wall of Rhizoctonia solani

   • Rina Barak
   • Yigal Elad
   • Ilan Chet

   Original Papers Pages: 346 - 349

7. Isolation of auxotrophic mutants in support of ammonia assimilation via glutamine synthetase in Methanobacterium ivanovii

   • L. Bhatnagar
   • M. K. Jain
   • J. -P. Aubert

   Original Papers Pages: 350 - 354

8. Bradyrhizobium japonicum mutants defective in root-nodule bacteroid development and nitrogen fixation

   • B. Regensburger
   • L. Meyer
   • H. Hennecke

   Original Papers Pages: 355 - 366

9. Isolation and characterization of Methanoplanus endosymbiosus sp. nov., an endosymbiont of the marine sapropelic ciliate Metopus contortus quennerstedt

   • J. J. A. van Bruggen
   • K. B. Zwart
   • G. D. Vogels

   Original Papers Pages: 367 - 374

10. Recovery of the alternative oxidase dependent electron flow by fusion of membrane vesicles from Rhodobacter capsulatus mutant strains

    • Davide Zannoni
    • Stephen Peterson
    • Barry L. Marrs

    Original Papers Pages: 375 - 380

11. Energetics of the growth of Methanococcus thermolithotrophicus

    • Marie-Laure Fardeau
    • Jean-Pierre Belaich

    Original Papers Pages: 381 - 385

12. Energetics of CO formation and CO oxidation in cell suspensions of Acetobacterium woodii

    • Gabriele Diekert
    • Elisabeth Schrader
    • Wim Harder

    Original Papers Pages: 386 - 392

13. Effects of calcium channel blockers on phototaxis and motility of Chlamydomonas reinhardtii

    • Wilhelm Nultsch
    • Jürgen Pfau
    • Reiner Dolle

    Original Papers Pages: 393 - 397

14. Protein composition of the carboxysomes of Thiobacillus neapolitanus

    • Yolande A. Holthuijzen
    • Jan F. L. van Breemen
    • Wil N. Konings

    Original Papers Pages: 398 - 404

15. Accumulation of fructose 1,6-bisphosphate in mutant cells of mucoid Pseudomonas aeruginosa as an evidence of phosphofructokinase activity

    • P. C. Banerjee

    Short Communications Pages: 405 - 407

16. Transfer of plasmids RP4 and R68.45 and chromosomal mobilization in cowpea rhizobia

    • Wayne McLaughlin
    • M. H. Ahmad

    Short Communications Pages: 408 - 411

17. Announcement

    Announcement Pages: 412 - 412