1. Isolation of the photoreceptor (paraflagellar body) of the phototactic flagellate Euglena gracilis

   • Paolo Gualtieri
   • Laura Barsanti
   • Giovanna Rosati

   Original Papers Pages: 303 - 305

2. Ammonium (methylammonium) uptake by Alcaligenes eutrophus H16

   • Thomas Jahns
   • Heinrich Kaltwasser
   • Diethelm Kleiner

   Original Papers Pages: 306 - 310

3. In vivo inhibition of glutamine synthetase induces sporulation in a protease deficient asporogenous mutant of Bacillus polymyxa

   • Salomé Kantengwa
   • Mukti Ojha

   Original Papers Pages: 311 - 314

4. Cloning and expression of a Nostoc sp. leucine biosynthetic gene in Escherichia coli

   • Gerard A. Cangelosi
   • Cecillia M. Joseph
   • John C. Meeks

   Original Papers Pages: 315 - 321

5. Evaluation of two alternative metabolic pathways for creatinine degradation in microorganisms

   • Sakayu Shimizu
   • Jong Min Kim
   • Hideaki Yamada

   Original Papers Pages: 322 - 328

6. Deoxyribonucleic acid reassociation in the taxonomy of the genus Chlorella

   • Volker A. R. Huss
   • Richard Dörr
   • Erich Kessler

   Original Papers Pages: 329 - 333

7. Overproduction of the proFhuA outer membrane receptor protein of Escherichia coli K-12: isolation, properties, and immunocytochemical localization at the inner side of the cytoplasmic membrane

   • Helmut Hoffmann
   • Eckhard Fischer
   • Volkmar Braun

   Original Papers Pages: 334 - 341

8. Expression of luminescence in Photobacterium phosphoreum: Na⁺ regulation of in vivo luminescence appearance

   • Haruo Watanabe
   • J. Woodland Hastings

   Original Papers Pages: 342 - 346

9. The respiratory chain of the facultative thermophile, Bacillus coagulans

   • A. S. Ball
   • C. Edwards

   Original Papers Pages: 347 - 352

10. Transient state characteristics of adaptation to changes in light conditions for the cyanobacterium Oscillatoria agardhii

    • Anton F. Post

    Original Papers Pages: 353 - 357

11. CO₂ is the first species formed upon CO oxidation by CO dehydrogenase from Pseudomonas carboxydovorans

    • Satoshi Futo
    • Ortwin Meyer

    Original Papers Pages: 358 - 360

12. Chemical composition of the peptidoglycan-free cell envelopes of budding bacteria of the Pirella/Planctomyces group

    • W. Liesack
    • H. König
    • P. Hirsch

    Original Papers Pages: 361 - 366

13. Utilization of lactose in non-respiring cells of the yeast Debaryomyces polymorphus

    • Barbara Schulz
    • Milan Höfer

    Original Papers Pages: 367 - 371

14. Reduced pyridine nucleotides in Pseudomonas carboxydovorans are formed by reverse electron transfer linked to proton motive force

    • Susanne Jacobitz
    • Ortwin Meyer

    Original Papers Pages: 372 - 377

15. Respiratory deficient mutants of Rhodopseudomonas capsulata

    • Hendrik Hüdig
    • Norbert Kaufmann
    • Gerhart Drews

    Original Papers Pages: 378 - 385

16. Control of enzyme synthesis in the oxalurate catabolic pathway of Streptococcus faecalis ATCC 11700: evidence for the existence of a third carbamate kinase

    • Corinne Vander Wauven
    • Jean-Paul Simon
    • Victor Stalon

    Original Papers Pages: 386 - 390

17. Lack of relationship between gliding cyanobacteria and filamentous gliding heterotrophic eubacteria: comparison of 16S rRNA catalogues of Spirulina, Saprospira, Vitreoscilla, Leucothrix, and Herpetosiphon

    • Hans Reichenbach
    • Wolfgang Ludwig
    • Erko Stackebrandt

    Original Papers Pages: 391 - 395

18. Fermentative degradation of monohydroxybenzoates by defined syntrophic cocultures

    • Andreas Tschech
    • Bernhard Schink

    Original Papers Pages: 396 - 402

19. Isolation and characterization of alkene-utilizing Xanthobacter spp.

    • C. G. van Ginkel
    • J. A. M. de Bont

    Original Papers Pages: 403 - 407

20. Alginate biosynthesis by Pseudomonas aeruginosa: effect of arsenite and other metabolic inhibitors

    • P. C. Banerjee

    Short Communication Pages: 408 - 410