1. IUMS News International Union of Microbiological Societies Newsletter

   News Pages: i - iv

2. Hydrogenase in Bradyrhizobium japonicum: genetics, regulation and effect on plant growth

   • C. Van Soom
   • N. Rumjanek
   • M. C. P. Neves

   Review Pages: 615 - 624

3. Accelerated food waste composting

   • E. J. Olguin
   • G. Sanchez
   • R. Gonzalez

   Research Paper Pages: 625 - 629

4. Enzymatic splitting of penicillin V for the production of 6-APA using immobilized penicillin V acylase

   • V. K. Sudhakaran
   • J. G. Shewale

   Research Paper Pages: 630 - 634

5. Serological grouping of indigenous Bradyrhizobium sp. (Arachis) isolated from various soils of Thailand

   • B. D. Kishinevsky
   • D. Gurfel
   • C. Nemas

   Research Paper Pages: 635 - 640

6. Effect of freezing and thawing on cell membranes of Lentinus edodes, the shiitake mushroom

   • M. F. Roquebert
   • E. Bury

   Research Paper Pages: 641 - 647

7. Degradation of Delor 103, a technical mixture of polychlorinated biphenyls, by selected bacteria

   • K. Dercová
   • Š. Baláž
   • P. Bielek

   Research Paper Pages: 648 - 652

8. Effect of storage temperature, time and wrapping materials on the microbiology and biochemistry of ogiri—a fermented-castorseed soup condiment

   • G. N. Aniche
   • S. I. Nwokedi
   • O. Odeyemi

   Research Paper Pages: 653 - 655

9. Growth of three fungi on poultry fat or beef tallow

   • W. Bednarski
   • J. Kowalewska-Piontas
   • M. Adamczak

   Research Paper Pages: 656 - 659

10. Use of high-ethanol-resistant yeast isolates from Nigerian palm wine in lager beer brewing

    • R. C. Agu
    • T. U. Anyanwu
    • A. H. Onwumelu

    Short Communication Pages: 660 - 661

11. Biosynthesis of invertase by Saccharomyces cerevisiae with sugarcane molasses as substrate

    • I. P. Bokossa
    • A. I. Krastanov
    • A. Angelov

    Short Communication Pages: 662 - 663

12. Meeting announcements

    Events Pages: 671 - 672