1. Use of industrial medium components for xanthan production byXanthomonas campestris NRRL-B-1459

   • L. De Vuyst
   • A. Vermeire

   Original Paper Pages: 187 - 191

2. Effect of ammonium ions on glycolipid production byCandida (Torulopsis)apicola

   • R. K. Hommel
   • S. Stegner
   • L. Weber

   Original Paper Pages: 192 - 197

3. A constitutive maltotetraose-producing amylase fromPseudomonas sp. IMD 353

   • W. M. Fogarty
   • A. C. Bourke
   • E. M. Doyle

   Original Paper Pages: 198 - 203

4. An on-line advisory control system for the lactic acid fermentation process

   • M. Nakajima
   • C. von Numershs
   • P. Linko

   Original Paper Pages: 204 - 211

5. Production of halogenated compounds byBjerkandera adusta

   • H. -E. Spinnler
   • E. de Jong
   • J. -L. le Quere

   Original Paper Pages: 212 - 221

6. Effects of substrate limitation on product distribution and H₂/CO₂ ratio inKlebsiella pneumoniae during anaerobic fermentation of glycerol

   • B. O. Solomon
   • A. -P. Zeng
   • W. D. Deckwer

   Original Paper Pages: 222 - 226

7. Enhancement of anthocyanin production in callus cultures ofDaucus canota L. under the influence of fungal elicitors

   • L. Rajendran
   • G. Suvarnalatha
   • L. V. Venkataraman

   Original Paper Pages: 227 - 231

8. Optimisation of the indirect impedancemetry technique; a handy technique for microbial growth measurement

   • T. Dézenclos
   • M. Ascon-Cabrera
   • A. Pauss

   Original Paper Pages: 232 - 238

9. Characterization of amylolytic and pullulytic enzymes from thermophilic archaea and from a newFervidobacterium species

   • F. Canganella
   • C. M. Andrade
   • G. Antranikian

   Original Paper Pages: 239 - 245

10. Development of a fermentation method using immobilized cells under unsterile conditions. 2. Ethanol andl-lactic acid production without heat and filter sterilization

    • T. Ohta
    • J. C. Ogbonna
    • M. Yajima

    Original Paper Pages: 246 - 250

11. A Parallel plate electrostatic droplet generator: Parameters affecting microbead size

    • D. Poncelet
    • R. Neufeld
    • M. F. A. Goosen

    Original Paper Pages: 251 - 255

12. On-line growth measurements in bioreactors by titrating metabolic proton exchange

    • J. J. L. Iversen
    • J. K. Thomsen
    • R. P. Cox

    Original Paper Pages: 256 - 262

13. Effect of ferric and cupric ions on the inactivation rate of dextransucrase

    • R. W. Lencki
    • M. Delaire
    • L. Choplin

    Original Paper Pages: 263 - 269

14. A novel enzymatic dehalogenation of (R)-3-chloro-1,2-propanediol inAlcaligenes sp. DS-S-7G

    • T. Suzuki
    • N. Kasai
    • N. Minamiura

    Original Paper Pages: 270 - 279

15. Purification and characterization of X-prolyl dipeptidyl peptidase fromLactobacillus casei subsp.casei LLG

    • M. B. Habibi-Najafi
    • B. H. Lee

    Original Paper Pages: 280 - 286

16. Enantioselective synthesis ofN-acetyl-l-methionine with aminoacylase in organic solvent

    • K. Yokoigawa
    • E. Sato
    • K. Soda

    Short Contribution Pages: 287 - 289

17. Phospholipase D fromStreptomyces antibioticus: Cloning, sequencing, expression, and relationship to other phospholipases

    • Y. Iwasaki
    • H. Nakano
    • T. Yamane

    Original Paper Pages: 290 - 299

18. Construction of a new host-vector system inArthrobacter sp. and cloning of the lipase gene

    • M. Morikawa
    • H. Daido
    • T. Imanaka

    Original Paper Pages: 300 - 303

19. Sequence of the region downstream of theVitreoscilla hemoglobin gene:vgb is not part of a multigene operon

    • S. C. Liu
    • Y. -X. Liu
    • B. C. Stark

    OriginalPaper Pages: 304 - 308

20. Production of a bacterial thermophilic xylanase inSaccharomyces cerevisiae

    • K. A. G. Donald
    • A. Carle
    • P. L. Bergquist

    Original Paper Pages: 309 - 312

21. Overproduction and purification of Lon protease fromEscherichia coli using a maltose-binding protein fusion system

    • S. Sonezaki
    • A. Kondo
    • H. Nakayama

    Original Paper Pages: 313 - 318

22. Isolation and characterization of thePichia stipitis transketolase gene and expression in a xylose-utilisingSaccharomyces cerevisiae transformant

    • M. H. Metzger
    • C. P. Hollenberg

    Original Paper Pages: 319 - 325

23. The influence of cosubstrate and aeration on xylitol formation by recombinantSaccharomyces cerevisiae expressing theXYL1 gene

    • J. Hallborn
    • N. Meinander
    • S. Keränen

    Original Paper Pages: 326 - 333

24. Fed-batch xylitol production with recombinantXYL-1-expressingSaccharomyees cerevisiae using ethanol as a co-substrate

    • N. Meinander
    • M. Linko
    • P. Linko

    Original Paper Pages: 334 - 339

25. Growth rate influences MFα1 promoter activity in MATαSaccharomyces cerevisiae

    • N. Kirk
    • P. W. Piper

    Original Paper Pages: 340 - 345

26. Cloning and expression of theClostridium thermocellum celS gene inEscherichia coli

    • W. K. Wang
    • K. Kruus
    • J. H. D. Wu

    Original Paper Pages: 346 - 352

27. Construction of squalene-accumulatingSaccharomyces cerevisiae mutants by gene disruption through homologous recombination

    • N. Kamimura
    • M. Hidaka
    • T. Uozumi

    Original Paper Pages: 353 - 357

28. Direct high-level secretion into the culture medium of tuna growth hormone in biologically active form byBacillus brevis

    • Y. Sagiya
    • H. Yamagata
    • S. Udaka

    Original Paper Pages: 358 - 363

29. Effect of intracellular 2,4-D concentration on plantlet regeneration of rice (Oryza sauva L.) callus

    • K. Mitsuoka
    • H. Honnda
    • H. Unno

    Original Paper Pages: 364 - 366

30. Influence of external electron acceptors and of CO and H₂ on the xylose metabolism ofBacteroides xylanolyticus X5.1

    • S. Biesterveld
    • J. C. M. Scholten
    • A. J. M. Stams

    Original Paper Pages: 367 - 374

31. Stability of pressure-extruded liposomes made from archaeobacterial ether lipids

    • C. G. Choquet
    • G. B. Patel
    • T. J. Beveridge

    Original Paper Pages: 375 - 384

32. Antifungal activity of cysteine, its effect on C-21 oxygenated lanosterol derivatives and other lipids in Inonofus obliquus, in vitro

    • K. Kahlos
    • V. H. Tikka

    Original Paper Pages: 385 - 390

33. Effect of ethanol and fatty acids on malolactic activity ofLeuconostoc oenos

    • I. Capucho
    • M. V. San Romão

    Original Paper Pages: 391 - 395

34. Metal-induced inhibition of anaerobic metabolism of volatile fatty acids and hydrogen

    • I. -C. Kong
    • J. S. Hubbard
    • W. J. Jones

    Original Paper Pages: 396 - 402

35. Long-term intracellular chromium partitioning with subsurface bacteria

    • S. Kong
    • D. L. Johnstone
    • T. M. Brouns

    Original Paper Pages: 403 - 407

36. Anaerobic degradation of 4-hydroxybenzoate: Reductive dehydroxylation of 4-hydroxybenzoyl-CoA and ATP formation during 4-hydroxybenzoate decarboxylation by the phenol-metabolizing bacteria of a stable, strictly anaerobic consortium

    • C. Gallert
    • J. Winter

    Original Paper Pages: 408 - 414

37. Degradation of chlorobenzenes in soil slurry by a specialized organism

    • F. R. Brunsbach
    • W. Reineke

    Original Paper Pages: 415 - 420

38. Extraction and biodegradation of a toxic volatile organic compound (1,2-dichloroethane) from waste-water in a membrane bioreactor

    • L. M. Freitas dos Santos
    • A. G. Livingston

    Original Paper Pages: 421 - 431

39. Microcalorimetry as a diagnostic and analytical tool for the assessment of biodegradation of 2,4-D in a liquid medium and in soil

    • S. Fradette
    • D. Rho
    • A. LeDuy

    Original Paper Pages: 432 - 439

40. Anaerobic degradation of chloroacetanilide herbicides

    • A. Konopka

    Original Paper Pages: 440 - 445

41. Phenol and its derivatives as heterotrophic substrates for microbial growth—An energetic comparison

    • R. H. Müller
    • W. Babel

    Original Paper Pages: 446 - 451

42. Synergistic degradation of acetamide by methanogens and an aerobic Gram-positive rod

    • J. -P. Guyot
    • F. Ramirez
    • B. Ollivier

    Original Paper Pages: 452 - 456

43. Extracellular polymers in granular sludge from different upflow anaerobic sludge blanket (UASB) reactors

    • Schmidt J. E. E.
    • B. K. Ahring

    Original Paper Pages: 457 - 462

44. Isolation and characterization of heterotrophic, aerobic bacteria from oil storage caverns in northern Germany

    • M. Bock
    • K. Bosecker
    • W. Dott

    Original Paper Pages: 463 - 468

45. Detection ofDesulfobacter in oil field environments by non-radioactive DNA probes

    • D. E. Brink
    • I. Vance
    • D. C. White

    Original Paper Pages: 469 - 475

46. Hydrolytic properties of extracellular cellulases fromPleurotus ostreatus

    • A. M. V. Garzlllo
    • S. Di Paolo
    • V. Buonocore

    Original Paper Pages: 476 - 481

47. Precipitation potential as a major factor in the formation of granular sludge in an upflow sludge-blanket reactor for denitrification of drinking water

    • S. Tarre
    • M. Green

    Original Paper Pages: 482 - 486

48. Growth ofPhormidium sp. in aerobic secondary piggery waste-water

    • R. O. Cafñizares-Villanueva
    • R. Lemus
    • L. Travics

    Original Paper Pages: 487 - 491

49. Enzymatic prebleaching of sulphite pulps

    • L. P. Christov
    • B. A. Prior

    Original Paper Pages: 492 - 498