1. Biohydrometallurgical processing of solids: a patent review

   • Christoph Brombacher
   • Reinhard Bachofen
   • Helmut Brandl

   MINI-REVIEW Pages: 577 - 587

2. Efficient production of medium-chain-length poly(3-hydroxyalkanoates) from octane by Pseudomonas oleovorans: economic considerations

   • W. Hazenberg
   • B. Witholt

   ORIGINAL PAPER Pages: 588 - 596

3. Influence of acetic acid on the growth of Escherichia coli K12 during high-cell-density cultivation in a dialysis reactor

   • K. Nakano
   • M. Rischke
   • H. Märkl

   ORIGINAL PAPER Pages: 597 - 601

4. Purification of the main manganese peroxidase isoenzyme MnP2 from the white-rot fungus Nematoloma frowardii b19

   • I. Schneegaß
   • M. Hofrichter
   • W. Fritsche

   SHORT CONTRIBUTION Pages: 602 - 605

5. Expression of the cefG gene is limiting for cephalosporin biosynthesis in Acremonium chrysogenum

   • S. Gutiérrez
   • J. Velasco
   • J. F. Martín

   ORIGINAL PAPER Pages: 606 - 614

6. Anthracyclines: isolation of overproducing strains by the selection and genetic recombination of putative regulatory mutants of Streptomycespeucetius var. caesius

   • D. Segura
   • C. Santana
   • S. Sanchez

   ORIGINAL PAPER Pages: 615 - 620

7. Transformation system for a wastewater treatment yeast, Hansenula fabianii J640: isolation of the orotidine-5′-phosphate decarboxylase gene (URA3 ) and uracil auxotrophic mutants

   • M. Kato
   • H. Iefuji
   • Y. Iimura

   ORIGINAL PAPER Pages: 621 - 625

8. Variations in xanthan production by antibiotic-resistant mutants of Xanthomonas campestris

   • H. Rodríguez
   • L. Aguilar
   • M. LaO

   ORIGINAL PAPER Pages: 626 - 629

9. The influence of a specific microelemental environment in alginate gel beads on the course of propionic acid fermentation

   • K. Czaczyk
   • K. Trojanowska
   • W. Grajek

   ORIGINAL PAPER Pages: 630 - 635

10. Effects of Ni(II) on respirometric oxygen uptake

    • M. (Lüle) Albek
    • Ü. Yetiş
    • C. F. Gökçay

    ORIGINAL PAPER Pages: 636 - 641

11. Effect of solvent adaptation on the antibiotic resistance in Pseudomonas putida S12

    • S. Isken
    • P. M. A. C. Santos
    • J. A. M. de Bont

    ORIGINAL PAPER Pages: 642 - 647

12. Substrate inhibition under stationary growth conditions – nutristat experiments with Ralstonia eutropha JMP 134 during growth on phenol and 2,4-dichlorophenoxyacetate

    • R. H. Müller
    • D. Simon
    • W. Babel

    ORIGINAL PAPER Pages: 648 - 655

13. Growth yield coefficients of Sphingomonas sp. strain P5 on various chlorophenols in chemostat culture

    • M. Rutgers
    • A. M. Breure
    • W. A. Duetz

    ORIGINAL PAPER Pages: 656 - 661

14. Effect of aeration and carbon/nitrogen ratio on the molecular mass of the biodegradable polymer poly-β-hydroxybutyrate obtained from Azotobacter chroococcum 6B

    • J. C. Quagliano
    • Silvia S. Miyazaki

    SHORT CONTRIBUTION Pages: 662 - 664

15. Enhancing the mineralization of [U-¹⁴C]dibenzo-p-dioxin in three different soils by addition of organic substrate or inoculation with white-rot fungi

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

    ORIGINAL PAPER Pages: 665 - 670

16. Continuous vapor-phase trichloroethylene biofiltration using hydrocarbon-enriched compost as filtration matrix

    • S. Sukesan
    • M. E. Watwood

    ORIGINAL PAPER Pages: 671 - 676