1. The following papers in this issue are dedicated to Professor Dr. Dr. h. c. Karl Esser, an International Editor of this journal, by his colleagues, friends and former Ph.D. students on the occasion of his 65th birthday

   Biotechnology Pages: 325 - 325

2. Identification and production of Δ⁹-cis-1, 18-octadecenedioic acid by Candida tropicalis

   • Zu-Hua Yi
   • Hans-Jürgen Rehm

   Biotechnology Pages: 327 - 331

3. Lipase-catalyzed reactions of fatty acids with glycerol and acylglycerols

   • Ricardo Schuch
   • Kumar D. Mukherjee

   Biotechnology Pages: 332 - 336

4. NADPH production from NADP⁺ with a glucose dehydrogenase system involving whole cells and immobilized cells of Gluconobacter suboxydans

   • Yoshikazu Izumi
   • Pijush Kanti Nath
   • Hideaki Yamada

   Biotechnology Pages: 337 - 342

5. Highly efficient expression of homologous and heterologous genes in Bacillus megaterium

   • Friedhelm Meinhardt
   • Ulf Stahl
   • Wolfgang Ebeling

   Applied Genetics and Regulation Pages: 343 - 350

6. The fermentation of xylose —an analysis of the expression of Bacillus and Actinoplanes xylose isomerase genes in yeast

   • René Amore
   • Martin Wilhelm
   • Cornelis P. Hollenberg

   Applied Genetics and Regulation Pages: 351 - 357

7. Isolation and complementation of mutants of Streptomyces coelicolor “Müller” DSM3030 deficient in lysozyme production

   • Elli Birr
   • Wolfgang Wohlleben
   • Merten Schlingmann

   Applied Genetics and Regulation Pages: 358 - 363

8. Transformation of Claviceps purpurea using a bleomycin resistance gene

   • Frank van Engelenburg
   • Ralf Smit
   • Paul Tudzynski

   Applied Genetics and Regulation Pages: 364 - 370

9. Rapid detection of bacterial hygromycin B phosphotransferase in Aspergillus niger transformants

   • Georg Mohr

   Applied Genetics and Regulation Pages: 371 - 374

10. DNA mediated transformation of the filamentous fungus Curvularia lunata using a dominant selectable marker

    • H. D. Osiewacz
    • A. Weber

    Applied Genetics and Regulation Pages: 375 - 380

11. Protoplast formation from selected species of ectomycorrhizal fungi

    • Victoria Barrett
    • Paul A. Lemke
    • Robert K. Dixon

    Applied Genetics and Regulation Pages: 381 - 387

12. G418 resistance in the yeast Saccharomyces cerevisiae: comparison of the neomycin resistance genes from Tn5 and Tn903

    • Christine Lang-Hinrichs
    • Dietmar Berndorff
    • Ulf Stahl

    Applied Genetics and Regulation Pages: 388 - 394

13. Catabolism of biphenyl by Pseudomonas sp. NCIB 10643 and Nocardia sp. NCIB 10503

    • Mark R. Smith
    • Colin Ratledge

    Applied Microbiology Pages: 395 - 401

14. Enzymatic methods for determining populations of Streptococcus cremoris AM2 and Leuconostoc lactis CNRZ 1091 in pure and mixed cultures

    • C. Y. Boquien
    • G. Corrieu
    • M. J. Desmazeaud

    Applied Microbiology Pages: 402 - 407

15. Some effects of heat shocks on bacterial growth

    • A. Heitzer
    • N. Al-Awadhi
    • G. Hamer

    Applied Microbiology Pages: 408 - 414

16. Studies on conidial germination and initial growth of the grapevine powdery mildew Uncinula necator on artificial substrates

    • R. Blaich
    • C. Heintz
    • R. Wind

    Applied Microbiology Pages: 415 - 421

17. Identification of a starch degrading anaerobic thermophile producing thermostable α-amylase and pullulanase

    • E. Madi
    • G. Antranikian

    Applied Microbiology Pages: 422 - 425

18. Degradation of phenol by a coimmobilized entrapped mixed culture

    • G. Zache
    • H. -J. Rehm

    Environmental Microbiology Pages: 426 - 432