1. New insights and novel developments in clostridial acetone/butanol/isopropanol fermentation

   • P. Dürre

   MINI-REVIEW Pages: 639 - 648

2. Safety analysis of contained low-hazard biotechnology applications

   • D. Pettauer
   • O. Käppeli
   • G. van den Eede

   MINI-REVIEW Pages: 649 - 654

3. Ultrahigh-cell-density culture of a marine green alga Chlorococcum littorale in a flat-plate photobioreactor

   • Q. Hu
   • N. Kurano
   • S. Miyachi

   ORIGINAL PAPER Pages: 655 - 662

4. Simulation of in situ subsurface biodegradation of polychlorophenols in air-lift percolators

   • J. H. Langwaldt
   • M. K. Männistö
   • J. A. Puhakka

   ORIGINAL PAPER Pages: 663 - 668

5. Development of markers for product formation and cell cycle in batch cultivation of Clostridium acetobutylicum ATCC 824

   • K. C. Schuster
   • R. van den Heuvel
   • I. S. Maddox

   ORIGINAL PAPER Pages: 669 - 676

6. Monitoring nitric oxide from immobilised denitrifying bacteria, Pseudomonas stutzeri, by the use of chemiluminescence

   • P. Arvidsson
   • K. Nilsson
   • B. Mattiasson

   ORIGINAL PAPER Pages: 677 - 681

7. Modelling the influence of pH, temperature, glucose and lactic acid concentrations on the kinetics of lactic acid production by Lactococcus lactis ssp. lactis ATCC 19435 in whole-wheat flour

   • C. Åkerberg
   • K. Hofvendahl
   • B. Hahn-Hägerdal

   ORIGINAL PAPER Pages: 682 - 690

8. Detoxification of wood hydrolysates with laccase and peroxidase from the white-rot fungus Trametes versicolor

   • L. J. Jönsson
   • E. Palmqvist
   • B. Hahn-Hägerdal

   ORIGINAL PAPER Pages: 691 - 697

9. Evaluation of the efficiency of measures for sulphidic mine waste mitigation

   • A. Schippers
   • P.-G. Jozsa
   • W. Sand

   SHORT CONTRIBUTION Pages: 698 - 701

10. Low-specificity l-threonine aldolase of Pseudomonas sp. NCIMB 10558: purification, characterization and its application to β-hydroxy-α-amino acid synthesis

    • J. Q. Liu
    • S. Ito
    • H. Yamada

    ORIGINAL PAPER Pages: 702 - 708

11. Purification, characterization and immobilization of an NADPH-dependent enzyme involved in the chiral specific reduction of the keto ester M, an intermediate in the synthesis of an anti-asthma drug, Montelukast, from Microbacterium campoquemadoensis (MB5614)

    • A. Shafiee
    • H. Motamedi
    • A. King

    ORIGINAL PAPER Pages: 709 - 717

12. A third xylanase from Trichoderma reesei PC-3-7

    • J. Xu
    • N. Takakuwa
    • Y. Morikawa

    ORIGINAL PAPER Pages: 718 - 724

13. A genetically engineered strain of Saccharopolyspora erythraea that produces 6,12-dideoxyerythromycin A as the major fermentation product

    • D. Stassi
    • D. Post
    • G. Maine

    ORIGINAL PAPER Pages: 725 - 731

14. Effect of the oxygen supply on pattern of growth and corrinoid and organic acid production of Propionibacterium shermanii

    • A. Quesada-Chanto
    • M. M. Silveira
    • R. Jonas

    ORIGINAL PAPER Pages: 732 - 736

15. trans activation of the Escherichia coliato structural genes by a regulatory protein from Bacillus megaterium : potential use in polyhydroxyalkanoate production

    • M. J. Pettinari
    • G. J. Vazquez
    • B. S. Méndez

    ORIGINAL PAPER Pages: 737 - 742

16. Mutants of Pseudomonas putida affected in poly-3-hydroxyalkanoate synthesis

    • Q. Ren
    • B. Kessler
    • B. Witholt

    ORIGINAL PAPER Pages: 743 - 750

17. Manganese toxicity towards Saccharomyces cerevisiae : Dependence on intracellular and extracellular magnesium concentrations

    • K. J. Blackwell
    • J. M. Tobin
    • S. V. Avery

    ORIGINAL PAPER Pages: 751 - 757

18. Carbon:nitrogen ratio interacts with initial concentration of total solids on insecticidal crystal protein and spore production in Bacillus thuringiensis HD-73

    • R. R. Farrera
    • F. Pérez-Guevara
    • M. de la Torre

    ORIGINAL PAPER Pages: 758 - 765

19. Inactivation of bacteriophage k, Escherichia coli, and Candida albicans by ozone

    • I. R. Komanapalli
    • B. H. S. Lau

    ORIGINAL PAPER Pages: 766 - 769

20. Purification and properties of a thermoactive and thermostable pullulanase from Thermococcushydrothermalis, a hyperthermophilic archaeon isolated from a deep-sea hydrothermal vent

    • H. Gantelet
    • F. Duchiron

    ORIGINAL PAPER Pages: 770 - 777

21. Involvement of manganese peroxidase in the transformation of macromolecules from low-rank coal by Phanerochaete chrysosporium

    • J. P. Ralph
    • D. E. A. Catcheside

    ORIGINAL PAPER Pages: 778 - 784

22. Degradation of naphthalene by cells of Pseudomonas sp. strain NGK 1 immobilized in alginate, agar and polyacrylamide

    • S. Manohar
    • T. B. Karegoudar

    ORIGINAL PAPER Pages: 785 - 792

23. Detection of very low saturation constants in anaerobic digestion: Influences of calcium carbonate precipitation and pH

    • M. Mösche
    • H.-J. Jördening

    ORIGINAL PAPER Pages: 793 - 799