1. Thermoanaerobacter ethanolicus gen. nov., spec. nov., a new, extreme thermophilic, anaerobic bacterium

   • Jürgen Wiegel
   • Lars G. Ljungdahl

   OriginalPaper Pages: 343 - 348

2. Metabolism of trans-ferulic acid by the white-rot fungus sporotrichum pulverulentum

   • Jugal K. Gupta
   • Sven G. Hamp
   • Karl-Erik Eriksson

   OriginalPaper Pages: 349 - 354

3. Evaluation of kappa carrageenan as a substitute for agar in microbiological media

   • Isabella A. Abbott
   • Faylla A. Chapman

   OriginalPaper Pages: 355 - 359

4. Iron uptake in pseudorevertants of Escherichia coli K-12 mutants with multiple defects in the enterochelin system

   • Carol L. Pickett
   • Charles F. Earhart

   OriginalPaper Pages: 360 - 364

5. Thermobacteroides acetoethylicus gen. nov. and spec. nov., a new chemoorganotrophic, anaerobic, thermophilic bacterium

   • Arie Ben-Bassat
   • J. G. Zeikus

   OriginalPaper Pages: 365 - 370

6. Physiology of nitrogen fixation in Azospirillum lipoferum Br 17 (ATCC 29 709)

   • Antonia G. T. Volpon
   • Helvécio De-Polli
   • Johanna Döbereiner

   OriginalPaper Pages: 371 - 375

7. On insertion of pigment-associated polypeptides during membrane biogenesis in Rhodopseudomonas capsulata

   • Roland Dierstein
   • Arne Schumacher
   • Gerhart Drews

   OriginalPaper Pages: 376 - 383

8. Ultrastructural events and kinetics of microcyst germination in the myxomycete Didymium iridis

   • Thomas J. Raub
   • Henry C. Aldrich

   OriginalPaper Pages: 384 - 389

9. Conjugational transfer systems of Rhodopseudomonas capsulata mediated by R plasmids

   • Pak-Lam Yu
   • John Cullum
   • Gerhart Drews

   OriginalPaper Pages: 390 - 393

10. Accumulation of pyrophosphate and other energy-rich phosphorus compounds under various conditions of yeast growth

    • S. A. Ermakova
    • S. E. Mansurova
    • I. S. Kulaev

    OriginalPaper Pages: 394 - 397

11. Nitrogen control in Pseudomonas aeruginosa: A role for glutamine in the regulation of the synthesis of NADP-dependent glutamate dehydrogenase, urease and histidase

    • Dick B. Janssen
    • Patricia M. Herst
    • Chris van der Drift

    OriginalPaper Pages: 398 - 402

12. Meiosis, basidiospore development and post-meiotic mitosis in the basidiomycete, Phallus impudicus

    • K. Gull

    OriginalPaper Pages: 403 - 406

13. The effects of sublethal concentrations of zinc, cadmium and mercury on Euglena

    • Luigi F. De Filippis
    • Rüdiger Hampp
    • Hubert Ziegler

    OriginalPaper Pages: 407 - 411

14. Relationships between nitrogenase, glutamine synthetase, glutamine, and energy charge in Azotobacter vinelandii

    • J. A. Kleinschmidt
    • D. Kleiner

    OriginalPaper Pages: 412 - 415

15. Metabolism of a phenylcoumaran substructure lignin model compound in ligninolytic cultures of Phanerochaete chrysosporium

    • Fumiaki Nakatsubo
    • T. Kent Kirk
    • Takayoshi Higuchi

    OriginalPaper Pages: 416 - 420

16. Oxygen inhibition of the photoassimilation of CO₂ in Rhodopseudomonas capsulata

    • Sunil Khanna
    • Bruce C. Kelley
    • D. J. D. Nicholas

    Short Communication Pages: 421 - 423

17. Erratum

    Erratum Pages: 424 - 424