1. Influence of sugar source (lactose, glucose, galactose) on 2,3-butanediol production by Klebsiella oxytoca NRRL-B199

   • B. Champluvier
   • J. Decallonne
   • P. G. Rouxhet

   Original Papers Pages: 411 - 414

2. Fermentation metabolism of the unicellular cyanobacterium Cyanothece PCC 7822

   • J. van der Oost
   • B. A. Bulthuis
   • R. Kraayenhof

   Original Papers Pages: 415 - 419

3. Unbalanced growth as a normal feature of development of Bdellovibrio bacteriovorus

   • K. M. Gray
   • E. G. Ruby

   Original Papers Pages: 420 - 424

4. Effect of phosphate on the toxicity of phosphite in Phytophthora palmivora

   • Julia M. Griffith
   • Robert H. Smillie
   • Bruce R. Grant

   Original Papers Pages: 425 - 429

5. Properties of the phosphate and phosphite transport systems of Phytophthora palmivora

   • Julia M. Griffith
   • Louise A. Akins
   • Bruce R. Grant

   Original Papers Pages: 430 - 436

6. Integration of exogenous DNA into the genome of Azotobacter vinelandii

   • Catherine S. Renaud
   • J. J. Pasternak
   • Bernard R. Glick

   Original Papers Pages: 437 - 440

7. Molecular probes for the detection of Kluyveromyces marxianus chromosomal DNA in electrophoretic karyotypes of intergeneric protoplast fusion products

   • V. Witte
   • B. Grossmann
   • C. C. Emeis

   Original Papers Pages: 441 - 446

8. Specific bleaching of phycobiliproteins from cyanobacteria and red algae at high temperature in vivo

   • Jindong Zhao
   • Jerry J. Brand

   Original Papers Pages: 447 - 452

9. Effects of solar and artificial radiation on motility and pigmentation in Cyanophora paradoxa

   • Donat -P. Häder
   • Maria A. Häder

   Original Papers Pages: 453 - 457

10. The role of water retaining substrata on the photosynthetic response of three drought tolerant phototrophic micro-organisms isolated from a terrestrial habitat

    • Ben de Winder
    • Hans C. P. Matthijs
    • Luuc R. Mur

    Original Papers Pages: 458 - 462

11. Negative effects of agrocin 84-encoding Agrobacterium plasmids on symbiotic properties of Rhizobium meliloti

    • Ian J. Law
    • Barend W. Strijdom

    Original Papers Pages: 463 - 467

12. Subcellular localization of calcium in sporangiophores of Phycomyces blackesleeanus

    • Marisela Morales
    • José Ruiz-Herrera

    Original Papers Pages: 468 - 472

13. Anaerovibrio glycerini sp. nov., an anaerobic bacterium fermenting glycerol to propionate, cell matter, and hydrogen

    • Rolf Schauder
    • Bernhard Schink

    Original Papers Pages: 473 - 478

14. Oxidation of ethanol by methanogenic bacteria

    • Ursula Frimmer
    • Friedrich Widdel

    Original Papers Pages: 479 - 483

15. Genomic organization of multiple genes coding for rhodotorucine A, a lipopeptide mating pheromone of the basidiomycetous yeast Rhodosporidium toruloides

    • R. Akada
    • J. Kai
    • S. Fukui

    Original Papers Pages: 484 - 487

16. Detection of a Concanavalin A binding protein in the mollicute Spiroplasma citri and purification from the plasma membrane

    • P. Simoneau
    • J. Labarère

    Original Papers Pages: 488 - 491

17. Peptidase activities during morphogenesis of Mucor racemosus

    • Michael E. DiSanto
    • David A. Logan

    Original Papers Pages: 492 - 498

18. A comparison between aerobic growth of Bacillus licheniformis in continuous culture and partial-recycling fermentor, with contributions to the discussion on maintenance energy demand

    • Ben A. Bulthuis
    • Gregory M. Koningstein
    • Henk W. van Verseveld

    Original Papers Pages: 499 - 507

19. Regulation of reduced nitrogen assimilation in Rhodobacter capsulatus E1F1

    • Francisco Javier Caballero
    • Isabel Igeño
    • Francisco Castillo

    Original Papers Pages: 508 - 511

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

    • V. A. R. Huss
    • T. K. Scharpf
    • E. Kessler

    Short Communication Pages: 512 - 514