1. Editorial

   EditorialNotes Pages: I - I

2. Further support for fed-batch production of cellulases

   • T. G. Watson
   • I. Nelligan
   • L. Lessing

   Errata Pages: I - II

3. Meetings calendar 1986

   Events Pages: III - IV

4. The stability of the yeast plasmid pJDB248 depends on growth rate of the culture

   • Matthew J. Kleinman
   • Elliot B. Gingold
   • Peter F. Stanbury

   OriginalPaper Pages: 225 - 230

5. D-Xylose fermentation to ethanol bySchizosaccharomyces pombe cloned with xylose isomerase gene

   • Err-Cheng Chan
   • P. P. Ueng
   • Lifu Chen

   OriginalPaper Pages: 231 - 234

6. Selection of ribitol dehydrogenase hyperproducing strains in a chemostat culture of Escherichia coli 1EA at different dilution rates

   • P. Kyslik
   • M. Dobišová

   OriginalPaper Pages: 235 - 240

7. Acceleration of cheese ripening with liposome-entrapped proteinase

   • J-C. Piard
   • M. El Soda
   • J-C. Gripon

   OriginalPaper Pages: 241 - 246

8. Solubilization of phosphorus from low-grade minerals by microbial action

   • M. G. Sardiña
   • J. L. Boiardi
   • R. J. Ertola

   OriginalPaper Pages: 247 - 252

9. Continuous acetone-butanol fermentation with high productivity by cell ultrafiltration and recycling

   • P. Pierrot
   • M. Fick
   • J. M. Engasser

   OriginalPaper Pages: 253 - 256

10. Glycerol production by immobilised cells of Pichia farinosa

    • P. Vijaikishore
    • N. G. Karanth

    OriginalPaper Pages: 257 - 260

11. Glycerol production byDunaliella tertiolecta immobilized within Ca-alginate beads

    • D. Grizeau
    • J. M. Navarro

    OriginalPaper Pages: 261 - 264

12. Photoproduction of ammonia by immobilized heterocystic cyanobacteria. Effect of nitrite and anaerobiosis

    • Joseph Jeanfils
    • Roland Loudeche

    OriginalPaper Pages: 265 - 270

13. Indoor cultivation of a marine algae species in a thin-layer unit

    • Suresh T. Nesaratnam
    • Baher Saleem
    • Reyadh Al-Daher

    OriginalPaper Pages: 271 - 276

14. Cellulose acetate entrapment of Escherichia coli on cotton cloth for aspartate production

    • Sushama Joshi
    • Hiroshi Yamazaki

    OriginalPaper Pages: 277 - 282

15. Coupling of ligands to insoluble matrices via aldehyde groups

    • R. Koelsch
    • M. Fusek
    • J. Turková

    OriginalPaper Pages: 283 - 286

16. Effect of nickel on methane production and butyric acid utilization in a downflow fixed-film reactor

    • M. Cánovas-Díaz
    • J. A. Howell

    OriginalPaper Pages: 287 - 292

17. The influence of different substrate pH values on the performance of a downflow anaerobic fixed bed reactor treating a petrochemical effluent

    • L. H. Nel
    • T. J. Britz

    OriginalPaper Pages: 293 - 298

18. Integrated production of biogas and protein biomass from piggery manure

    • J. C. Li Sui Fong
    • D. Morrissette
    • R. Tsé Hing Yuen

    OriginalPaper Pages: 299 - 302

19. No evidence for the biodegradation of benzotriazole by elective culture or continuous enrichment

    • G. Rollinson
    • A. G. Callely

    OriginalPaper Pages: 303 - 304