Triggers for microbial aggregation in activated sludge? P. BossierW. Verstraete Mini-Review Pages: 1 - 6
Influence of detachment, substrate loading and reactor scale on the formation of biofilms in airlift reactors L. TijhuisB. HijmanJ. J. Heijnen Original Paper Pages: 7 - 17
Productivity of Spirulina in a strongly curved outdoor tubular photobioreactor P. CarlozziG. Torzillo Original Paper Pages: 18 - 23
Sulfated extracellular polysaccharide production by the halophilic cyanobacterium Aphanocapsa halophytia immobilized on light-diffusing optical fibers T. MatsunagaH. SudoN. Nakamura Original Paper Pages: 24 - 27
Citric acid accumulation by cycloheximide-sensitive mutant strains of Aspergillus niger S. RugsaseelK. KirimuraS. Usami Original Paper Pages: 28 - 35
Lantibiotic nisin Z fermentative production by Lactococcus lactis IO-1: relationship between production of the lantibiotic and lactate and cell growth H. MatsusakiN. EndoA. Ishizaki Original Paper Pages: 36 - 40
Simultaneous production and decomposition of clavulanic acid during Streptomyces clavuligerus cultivations A. F. MayerW. -D. Deckwer Original Paper Pages: 41 - 46
Influence of iron, phosphate and methyl viologen on glycerol fermentation of Clostridium butyricum A. ReimannH. BieblW. -D. Deckwer Short Contribution Pages: 47 - 50
Enzymatic preparation of optically active 3-trimethylsilylalanine H. YamanakaT. FukuiA. Tanaka Original Paper Pages: 51 - 55
Expression and substrate specificity of the toluene dioxygenase of Pseudomonas putida NCIMB 11767 S. C. HealdR. O. Jenkins Original Paper Pages: 56 - 62
Purification of alkaline proteases from a Bacillus strain and their possible interrelationship T. KobayashiY. HakamadaS. Ito Original Paper Pages: 63 - 71
Foreign gene expression in Hansenula polymorpha. A system for the synthesis of small functional peptides K. N. FaberS. WestraM. Veenhuis Original Paper Pages: 72 - 79
Cloning and sequence analysis of the highly expressed melanin-synthesizing gene operon from Streptomyces castaneoglobisporus K. IkedaT. MasujimaM. Sugiyama Original Paper Pages: 80 - 85
Cloning, sequencing and overexpression in Escherichia coli of a xylanase gene, xynA from the thermophilic bacterium Rt8B.4 genus Caldicellulosiruptor P. P. DwivediM. D. GibbsP. L. Bergquist Original Paper Pages: 86 - 93
Efficient production of Thermus protease aqualysin I in Escherichia coli: effects of cloned gene structure and two-stage culture S. SakamotoI. TeradaM. Iijima Original Paper Pages: 94 - 101
Expression of the Arxula adeninivorans glucoamylase gene in Kluyveromyces lactis D. M. BuiI. KunzeG. Kunze Original Paper Pages: 102 - 106
Effect of ilvBN-encoded α-acetolactate synthase expression on diacetyl production in Lactococcus lactis K. H. BensonJ. -J. GodonM. J. Gasson Original Paper Pages: 107 - 111
Characterization of Escherichia coli expressing an Lpp’OmpA(46-159)-PhoA fusion protein localized in the outer membrane C. StathopoulosG. GeorgiouC. F. Earhart Original Paper Pages: 112 - 119
Temperature-regulated expression of the tac/lacI system for overproduction of a fungal xylanase in Escherichia coli G. -P. XueJ. S. JohnsonJ. H. Aylward Original Paper Pages: 120 - 126
Restriction endonuclease activity in Clostridium thermocellum and Clostridium thermosaccharolyticum T. R. KlapatchA. L. DemainL. R. Lynd Original Paper Pages: 127 - 131
Characterisation of a complex restriction/modification system detected in a Bifidobacterium longum strain A. HartkeA. BenachourY. Auffray Original Paper Pages: 132 - 136
Reduction of RNA and DNA in Methylococcus capsulatus by endogenous nucleases J. LarsenL. Joergensen Original Paper Pages: 137 - 140
Cloning and analysis of a gene from Streptomyces lividans 66 encoding a novel secreted protease exhibiting homology to subtilisin BPN′ M. J. ButlerJ. S. AphaleL. T. Malek Original Paper Pages: 141 - 147
Application of a microtitre reader system to the screening of inulinase nulinase-producing yeasts G. C. Passador-GurgelS. A. FurlanR. Jonas Original Paper Pages: 158 - 161
Identification and production of a rhamnolipidic biosurfactant by a Pseudomonas species S. ArinoR. MarchalJ. -P. Vandecasteele Original Paper Pages: 162 - 168
Quantitative measurement of sulphur formation by steady-state and transient-state continuous cultures of autotrophic Thiobacillus species G. C. StefessR. A. M. TorremansJ. G. Kuenen Original Paper Pages: 169 - 175
Hyperinduction of nitrile hydratase acting on indole-3-acetonitrile in Agrobacterium tumefaciens M. KobayashiT. FujitaS. Shimizu Original Paper Pages: 176 - 181
Rhizobium etli cytochrome mutants with derepressed expression of cytochrome terminal oxidases and enhanced symbiotic nitrogen accumulation J. MirandaJ. Membrillo-HernándezM. Soberón Original Paper Pages: 182 - 188
Mutational analysis of the Streptomyces scabies esterase signal peptide V. A. HaleJ. L. Schottel Original Paper Pages: 189 - 198
Transition rate kinetics from ethanol oxidation to glucose utilisation within a structured model of baker’s yeast P. DantignyM. Gruber Original Paper Pages: 199 - 203
Regulation of spiramycin synthesis in Streptomyces ambofaciens: effects of glucose and inorganic phosphate A. LounèsA. LebrihiP. Germain Original Paper Pages: 204 - 211
Toxicity of arsenic during high temperature bioleaching of gold-bearing arsenical pyrite K. B. HallbergH. M. SehlinE. B. Lindström Original Paper Pages: 212 - 216
Simultaneous utilization of pyridine and fructose by Rhodococcus opacus UFZ B 408 without an external nitrogen source U. BrinkmannW. Babel Original Paper Pages: 217 - 223
Effect of pH on cell viability and product yields in d-xylose fermentations by Candida shehatae J. R. KastnerR. S. RobertsW. J. Jones Original Paper Pages: 224 - 228
Influence of nitrate starvation on nitrite accumulation during denitrification byPseudomonas stutzeri B. XuS. -O. Enfors Original Paper Pages: 229 - 235
Effect of pH on transfructosylation and hydrolysis by β-fructofuranosidase from Aspergillus oryzae M. KurakakeT. OnoueT. Komaki Original Paper Pages: 236 - 239
Detection of endogenous β-glucuronidase activity in Aspergillus niger T. E. GottschalkJ. E. NielsenP. Rasmussen Original Paper Pages: 240 - 244
The multidomain xylanase A of the hyperthermophilic bacterium Thermotoga neapolitana is extremely thermoresistant V. ZverlovK. PiotukhR. Borriss Short Contribution Pages: 245 - 247
Trichloroethylene degradation and mineralization by pseudomonads and Methylosinus trichosporium OB3b A. K. SunT. K. Wood Original Paper Pages: 248 - 256
Degradation of prochloraz and 2,4,6-trichlorophenol by environmental bacterial strains C. BockR. M. KroppenstedtH. Diekmann Original Paper Pages: 257 - 262
Influence of environmental parameters on pentachlorophenol biotransformation in soil by Lentinula edodes and Phanerochaete chrysosporium B. C. OkekeJ. E. SmithI. A. Watson-Craik Original Paper Pages: 263 - 266
Optimizing biodegradation of phenanthrene dissolved in nonaqueous-phase liquids I. BirmanM. Alexander Original Paper Pages: 267 - 272
Cell-free extract(s) of Pseudomonas putida catalyzes the conversion of cyanides, cyanates, thiocyanates, formamide, and cyanide-containing mine waters into ammonia G. R. V. BabuO. K. VijayaK. D. Chapatwala Original Paper Pages: 273 - 277
A method to increase silver biosorption by an industrial strain of Saccharomyces cerevisiae P. SimmonsI. Singleton Original Paper Pages: 278 - 285
Influence of physiologically relevant parameters on biomass formation in a trickle-bed bioreactor used for waste gas cleaning P. SchönduveM. SáraA. Friedl Original Paper Pages: 286 - 292
The effect of inoculation and the type of carrier material used on the biofiltration of methyl sulphides E. SmetG. ChasayaW. Verstraete Original Paper Pages: 293 - 298
