New insights and novel developments in clostridial acetone/butanol/isopropanol fermentation P. Dürre MINI-REVIEW Pages: 639 - 648
Safety analysis of contained low-hazard biotechnology applications D. PettauerO. KäppeliG. van den Eede MINI-REVIEW Pages: 649 - 654
Ultrahigh-cell-density culture of a marine green alga Chlorococcum littorale in a flat-plate photobioreactor Q. HuN. KuranoS. Miyachi ORIGINAL PAPER Pages: 655 - 662
Simulation of in situ subsurface biodegradation of polychlorophenols in air-lift percolators J. H. LangwaldtM. K. MännistöJ. A. Puhakka ORIGINAL PAPER Pages: 663 - 668
Development of markers for product formation and cell cycle in batch cultivation of Clostridium acetobutylicum ATCC 824 K. C. SchusterR. van den HeuvelI. S. Maddox ORIGINAL PAPER Pages: 669 - 676
Monitoring nitric oxide from immobilised denitrifying bacteria, Pseudomonas stutzeri, by the use of chemiluminescence P. ArvidssonK. NilssonB. Mattiasson ORIGINAL PAPER Pages: 677 - 681
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. ÅkerbergK. HofvendahlB. Hahn-Hägerdal ORIGINAL PAPER Pages: 682 - 690
Detoxification of wood hydrolysates with laccase and peroxidase from the white-rot fungus Trametes versicolor L. J. JönssonE. PalmqvistB. Hahn-Hägerdal ORIGINAL PAPER Pages: 691 - 697
Evaluation of the efficiency of measures for sulphidic mine waste mitigation A. SchippersP.-G. JozsaW. Sand SHORT CONTRIBUTION Pages: 698 - 701
Low-specificity l-threonine aldolase of Pseudomonas sp. NCIMB 10558: purification, characterization and its application to β-hydroxy-α-amino acid synthesis J. Q. LiuS. ItoH. Yamada ORIGINAL PAPER Pages: 702 - 708
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. ShafieeH. MotamediA. King ORIGINAL PAPER Pages: 709 - 717
A third xylanase from Trichoderma reesei PC-3-7 J. XuN. TakakuwaY. Morikawa ORIGINAL PAPER Pages: 718 - 724
A genetically engineered strain of Saccharopolyspora erythraea that produces 6,12-dideoxyerythromycin A as the major fermentation product D. StassiD. PostG. Maine ORIGINAL PAPER Pages: 725 - 731
Effect of the oxygen supply on pattern of growth and corrinoid and organic acid production of Propionibacterium shermanii A. Quesada-ChantoM. M. SilveiraR. Jonas ORIGINAL PAPER Pages: 732 - 736
trans activation of the Escherichia coliato structural genes by a regulatory protein from Bacillus megaterium : potential use in polyhydroxyalkanoate production M. J. PettinariG. J. VazquezB. S. Méndez ORIGINAL PAPER Pages: 737 - 742
Mutants of Pseudomonas putida affected in poly-3-hydroxyalkanoate synthesis Q. RenB. KesslerB. Witholt ORIGINAL PAPER Pages: 743 - 750
Manganese toxicity towards Saccharomyces cerevisiae : Dependence on intracellular and extracellular magnesium concentrations K. J. BlackwellJ. M. TobinS. V. Avery ORIGINAL PAPER Pages: 751 - 757
Carbon:nitrogen ratio interacts with initial concentration of total solids on insecticidal crystal protein and spore production in Bacillus thuringiensis HD-73 R. R. FarreraF. Pérez-GuevaraM. de la Torre ORIGINAL PAPER Pages: 758 - 765
Inactivation of bacteriophage k, Escherichia coli, and Candida albicans by ozone I. R. KomanapalliB. H. S. Lau ORIGINAL PAPER Pages: 766 - 769
Purification and properties of a thermoactive and thermostable pullulanase from Thermococcushydrothermalis, a hyperthermophilic archaeon isolated from a deep-sea hydrothermal vent H. GanteletF. Duchiron ORIGINAL PAPER Pages: 770 - 777
Involvement of manganese peroxidase in the transformation of macromolecules from low-rank coal by Phanerochaete chrysosporium J. P. RalphD. E. A. Catcheside ORIGINAL PAPER Pages: 778 - 784
Degradation of naphthalene by cells of Pseudomonas sp. strain NGK 1 immobilized in alginate, agar and polyacrylamide S. ManoharT. B. Karegoudar ORIGINAL PAPER Pages: 785 - 792
Detection of very low saturation constants in anaerobic digestion: Influences of calcium carbonate precipitation and pH M. MöscheH.-J. Jördening ORIGINAL PAPER Pages: 793 - 799