1. Editorial

   • H. -J. Rehm
   • A. Steinbüchel

   EditorialNotes Pages: 771 - 771

2. Performance of a membrane-dialysis bioreactor with a radial-flow fixed bed for the cultivation of a hybridoma cell line

   • A. Bohmann
   • R. Pörtner
   • H. Märkl

   Original Paper Pages: 772 - 780

3. Quantification of viable biomass in biofilm reactors by extractable lipid phosphate

   • C. M. Hooijmans
   • T. A. Abdin
   • G. J. Alaerts

   Original Paper Pages: 781 - 785

4. Glycerol fermentation by a new 1,3-propanediol-producing microorganism:Enterobacter agglomerans

   • F. Barbirato
   • C. Camarasa-Claret
   • A. Bories

   Original Paper Pages: 786 - 793

5. Liquid-culture pH, temperature, and carbon (not nitrogen) source regulate phenazine productivity of the take-all biocontrol agentPseudomonas fluorescens 2-79

   • P. J. Slininger
   • M. A. Shea-Wilbur

   Original Paper Pages: 794 - 800

6. Relationship between molecular states (conformation and orientation) and activities of α-amylase adsorbed on ultrafine silica particles

   • A. Kondo
   • T. Urabe

   Original Paper Pages: 801 - 807

7. Production and properties of three pectinolytic activities produced byAspergillus niger in submerged and solid-state fermentation

   • M. E. Acuña-Argüelles
   • M. Gutiérrez-Rojas
   • E. Favela-Torres

   Original Paper Pages: 808 - 814

8. Production of extracellular enzymes by immobilizedTrichoderma reesei in shake flask cultures

   • R. Haapala
   • E. Parkkinen
   • S. Linko

   Original Paper Pages: 815 - 821

9. Fermentation of whey and starch by transformedSaccharomyces cerevisiae cells

   • C. Compagno
   • D. Porro
   • B. M. Ranzi

   Short Contribution Pages: 822 - 825

10. Optimal dynamic experiments for bioreactor model discrimination

    • M. J. Cooney
    • K. A. McDonald

    Original paper Pages: 826 - 837

11. Purification and characterization of a soluble, cytoplasmic decycling maltodextrinase from aLactobacillus species, strain 26X, isolated from kitchen waste water

    • H. Bender

    Original paper Pages: 838 - 843

12. Stable multicopy integration of vector sequences inHansenula polymorpha

    • R. Gatzke
    • U. Weydemann
    • C. P. Hollenberg

    Original Paper Pages: 844 - 849

13. Characterization of recombinantE. coli ATCC 11303 (pLOI 297) in the conversion of cellulose and xylose to ethanol

    • N. Padukone
    • K. W. Evans
    • C. E. Wyman

    Original Paper Pages: 850 - 855

14. Debranching of arabinoxylan: properties of the thermoactive recombinant α-L-arabinofuranosidase fromClostridium stercorarium (ArfB)

    • W. H. Schwarz
    • K. Bronnenmeier
    • W. L. Staudenbauer

    Original Paper Pages: 856 - 860

15. Cloning, sequence and expression of the gene coding for rhamnogalacturonase ofAspergillus aculeatus; a novel pectinolytic enzyme

    • M. E. G. Suykerbuyk
    • P. J. Schaap
    • J. Visser

    Original Paper Pages: 861 - 870

16. Purification of recombinant α-amylase by immunoaffinity chromatography with anti-peptide antibody

    • S. Katoh
    • M. Terashima
    • M. Kuono

    Original Paper Pages: 871 - 876

17. CEN14 sequences cause slower proliferation, reduced cell size and asporogeny inSaccharomyces cerevisiae

    • J. R. Dickinson
    • J. M. Wingfield
    • D. J. Mason

    Short Contribution Pages: 877 - 879

18. Biosynthesis of poly (3-hydroxybutyric acidco-3-hydroxy-4-pentenoic acid) from unrelated substrates byBurkholderia sp.

    • M. F. A. Rodrigues
    • L. F. da Silva
    • A. Steinbüchel

    Original Paper Pages: 880 - 886

19. A resting-cell assay for cholesterol reductase activity inEubacterium coprostanoligenes ATCC 51222

    • L. Li
    • T. A. Freier
    • D. C. Beitz

    Original Paper Pages: 887 - 892

20. α-(4-O-Methyl)-d-glucuronidase activity produced by the rumen anaerobic fungusPiromonas communis: A study of selected properties

    • T. M. Wood
    • C. A. Wilson

    Original Paper Pages: 893 - 900

21. 3-Methylaspartate ammonia-lyase from a facultative anaerobe, strain YG-1002

    • Y. Kato
    • Y. Asano

    Original Paper Pages: 901 - 907

22. Effect of oxygen and carbon dioxide on germination and growth ofRhizopus oligosporus on model media and soya beans

    • J. C. de Reu
    • A. M. Griffiths
    • M. J. R. Nout

    Original Paper Pages: 908 - 913

23. The influence of physicochemical effects on the microbial degradation of chlorinated biphenyls

    • J. Havel
    • W. Reineke

    Original Paper Pages: 914 - 919

24. Complete degradation of tetrachloroethene by combining anaerobic dechlorinating and aerobic methanotrophic enrichment cultures

    • J. Gerritse
    • V. Renard
    • J. Visser

    Original Paper Pages: 920 - 928

25. Diversity of anaerobic microbial processes in chlorobenzoate degradation: Nitrate, iron, sulfate and carbonate as electron acceptors

    • J. Kazumi
    • M. M. Häggblom
    • L. Y. Young

    Original Paper Pages: 929 - 936

26. Catabolism of 2,4,6-trinitrotoluene byMycobacterium vaccae

    • L. A. Vanderberg
    • J. J. Perry
    • P. J. Unkefer

    Original Paper Pages: 937 - 945

27. Nutrient-enhanced survival of and phenanthrene mineralization by alginate-encapsulated and freePseudomonas sp. UG14Lr cells in creosote-contaminated soil slurries

    • S. C. Weir
    • S. P. Dupuis
    • J. T. Trevors

    Original Paper Pages: 946 - 951

28. Substrate availability in phenanthrene biodegradation: Transfer mechanism and influence on metabolism

    • M. Bouchez
    • D. Blanchet
    • J. -P. Vandecasteele

    Original Paper Pages: 952 - 960

29. Relationships between molecular states (conformation and orientation) and activities of α-amylase adsorbed on ultrafine silica particles

    • A. Kondo
    • T. Urabe

    ORIGINAL PAPER Pages: 801 - 807