1. Hydrogen uptake in Nostoc sp. strain PCC 73102. Cloning and characterization of a hupSL homologue

   • F. Oxelfelt
   • Paula Tamagnini
   • Peter Lindblad

   Original paper Pages: 267 - 274

2. Genes coding for respiratory complexes map on all three chromosomes of the Paracoccus denitrificans genome

   • Christine Winterstein
   • B. Ludwig

   Original paper Pages: 275 - 281

3. High rate of aerobic nitrification and denitrification by Nitrosomonas eutropha grown in a fermentor with complete biomass retention in the presence of gaseous NO2 or NO

   • D. Zart
   • Eberhard Bock

   Original paper Pages: 282 - 286

4. Methanobrevibacter filiformis sp. nov., a filamentous methanogen from termite hindguts

   • Jared R. Leadbetter
   • Laurel D. Crosby
   • J. A. Breznak

   Original paper Pages: 287 - 292

5. Characterization of Aquamicrobium defluvii gen. nov. sp. nov., a thiophene-2-carboxylate-metabolizing bacterium from activated sludge

   • Andreas Bambauer
   • Fred A. Rainey
   • J. Winter

   Original paper Pages: 293 - 302

6. Isoleucine uptake in Corynebacterium glutamicum ATCC 13032 is directed by the brnQ gene product

   • Andreas Tauch
   • Thomas Hermann
   • J. Kalinowski

   Original paper Pages: 303 - 312

7. Dehalobacter restrictus gen. nov. and sp. nov., a strictly anaerobic bacterium that reductively dechlorinates tetra- and trichloroethene in an anaerobic respiration

   • C. Holliger
   • Dittmar Hahn
   • Alexander J. B. Zehnder

   Original paper Pages: 313 - 321

8. The genes lmbB1 and lmbB2 of Streptomyces lincolnensis encode enzymes involved in the conversion of l-tyrosine to propylproline during the biosynthesis of the antibiotic lincomycin A

   • Dietmar Neusser
   • Heike Schmidt
   • W. Piepersberg

   Original paper Pages: 322 - 332

9. Anaerobic degradation of α-resorcylate by Thauera aromatica strain AR-1 proceeds via oxidation and decarboxylation to hydroxyhydroquinone

   • Corinna Gallus
   • B. Schink

   Original paper Pages: 333 - 338

10. Structure, organization, and expression of genes coding for envelope components in the archaeon Methanosarcina mazei S-6

    • Linda E. Mayerhofer
    • E. Conway de Macario
    • Alberto J. L. Macario

    Original paper Pages: 339 - 345

11. Investigation of the fumarate metabolism of the syntrophic propionate-oxidizing bacterium strain MPOB

    • Bernardina L. M. Van Kuijk
    • Elvire Schlösser
    • Alfons J. M. Stams

    Original paper Pages: 346 - 352

12. Net efflux of citrate in Penicillium simplicissimum is mediated by a transport protein

    • Martin Gallmetzer
    • Brigitte Müller
    • W. Burgstaller

    Original paper Pages: 353 - 359

13. Regulation of poly(β-hydroxybutyrate) synthesis in Methylobacterium rhodesianum MB 126 growing on methanol or fructose

    • G. Mothes
    • Jörg-Uwe Ackermann
    • Wolfgang Babel

    Short communication Pages: 360 - 363

14. Phylogenetic position of an obligately chemoautotrophic, marine hydrogen-oxidizing bacterium, Hydrogenovibrio marinus, on the basis of 16S rRNA gene sequences and two form I RuBisCO gene sequences

    • H. Nishihara
    • Toshiaki Yaguchi
    • Y. Igarashi

    Short communication Pages: 364 - 368