1. Production of high yields of arachidonic acid in a fed-batch system by Mortierella alpina ATCC 32222

   • A. Singh
   • O. P. Ward

   ORIGINAL PAPER Pages: 1 - 5

2. The lamellar settler – a low-cost alternative for separating the micro-alga Chlorella vulgaris from a cultivation broth?

   • G. Janelt
   • P. Bolt
   • M.-G. Cho

   ORIGINAL PAPER Pages: 6 - 10

3. Axenic aerobic biofilms inhibit corrosion of SAE 1018 steel through oxygen depletion

   • A. Jayaraman
   • E. T. Cheng
   • T. K. Wood

   ORIGINAL PAPER Pages: 11 - 17

4. Characterization and optimization of a two-phase partitioning bioreactor for the biodegradation of phenol

   • L. D. Collins
   • A. J. Daugulis

   ORIGINAL PAPER Pages: 18 - 22

5. Effect of soybean oil and glucose on sophorose lipid fermentation by Torulopsis bombicola in continuous culture

   • S. Y. Kim
   • D. K. Oh
   • J. H. Kim

   SHORT CONTRIBUTION Pages: 23 - 26

6. Purification and characterization of a glutamic-acid-specific endopeptidase from Bacillus subtilis ATCC 6051; application to the recovery of bioactive peptides from fusion proteins by sequence-specific digestion

   • H. Okamoto
   • T. Fujiwara
   • H. Tsuzuki

   ORIGINAL PAPER Pages: 27 - 33

7. Production, purification and characterization of glucose oxidase from a newly isolated strain of Penicillium pinophilum

   • D. Rando
   • G.-W. Kohring
   • F. Giffhorn

   ORIGINAL PAPER Pages: 34 - 40

8. Reactivation of thermally inactivated enzymes by free and immobilized chaperonin GroEL/ES

   • T. Teshima
   • A. Kondo
   • H. Fukuda

   ORIGINAL PAPER Pages: 41 - 46

9. Mannitol dehydrogenase from Rhodobacter sphaeroides Si4: subcloning, overexpression in Escherichia coli and characterization of the recombinant enzyme

   • A. Schäfer
   • M. A. Stein
   • F. Giffhorn

   ORIGINAL PAPER Pages: 47 - 52

10. The effect of oxidative pretreatment on cellulose degradation by Poria placenta and Trichoderma reesei cellulases

    • M. Rättö
    • A.-C. Ritschkoff
    • L. Viikari

    ORIGINAL PAPER Pages: 53 - 57

11. Efficient synthesis of the blood-coagulation inhibitor hirudin in the filamentous fungus Acremonium chrysogenum

    • R. Radzio
    • U. Kück

    ORIGINAL PAPER Pages: 58 - 65

12. Optimization of the solubilization and renaturation of fish growth hormone produced by Escherichia coli

    • M.-H. Hsih
    • J.-C. Kuo
    • H.-J. Tsai

    ORIGINAL PAPER Pages: 66 - 72

13. Comparison of partial 16S rRNA gene sequences obtained from activated sludge bacteria

    • E. J. Vainio
    • A. Moilanen
    • J. Hantula

    ORIGINAL PAPER Pages: 73 - 79

14. Isolation of new variants of surfactin by a recombinant Bacillus subtilis

    • S. Nakayama
    • S. Takahashi
    • M. Shoda

    SHORT CONTRIBUTION Pages: 80 - 82

15. Biotransformation of linoleic acid with the Candida tropicalis M25 mutant

    • D. Fabritius
    • H.-J. Schäfer
    • A. Steinbüchel

    ORIGINAL PAPER Pages: 83 - 87

16. Production of poly(β-hydroxybutyrate-β-hydroxyvalerate) copolymer from sugars by Azotobacter salinestris

    • W. J. Page
    • N. Bhanthumnavin
    • M. Ruman

    ORIGINAL PAPER Pages: 88 - 93

17. Choline and acetylcholine: novel cationic osmolytes in Lactobacillus plantarum

    • E. P. W. Kets
    • M. Nierop Groot
    • J. A. M. De Bont

    ORIGINAL PAPER Pages: 94 - 98

18. Effect of the addition of Peptostreptococcus productus ATCC35244 on the gastro-intestinal microbiota and its activity, as simulated in an in vitro simulator of the human gastro-intestinal tract

    • L. Nollet
    • I. Vande Velde
    • W. Verstraete

    ORIGINAL PAPER Pages: 99 - 104

19. Creating auxotrophic mutants in Methylophilus methylotrophus AS1 by combining electroporation and chemical mutagenesis

    • C. S. Kim
    • T. K. Wood

    ORIGINAL PAPER Pages: 105 - 108

20. Superior survival and degradation of dibenzo-p-dioxin and dibenzofuran in soil by soil-adapted Sphingomonas sp. strain RW1

    • M. Megharaj
    • R.-M. Wittich
    • K. N. Timmis

    ORIGINAL PAPER Pages: 109 - 114

21. Initiation of [³⁶Cl]hexachlorobenzene dechlorination in three different soils under artificially induced anaerobic conditions

    • P. Rosenbrock
    • R. Martens
    • J. C. Munch

    ORIGINAL PAPER Pages: 115 - 120

22. Thermophilic biodegradation of BTEX by two consortia of anaerobic bacteria

    • C.-I. Chen
    • R. T. Taylor

    ORIGINAL PAPER Pages: 121 - 128

23. Biodegradation dynamics of aromatic compounds from waste air in a trickle-bed reactor

    • D. Hekmat
    • A. Linn
    • D. Vortmeyer

    ORIGINAL PAPER Pages: 129 - 134