1. Thiamin biosynthesis in prokaryotes

   • T. P. Begley
   • Diana M. Downs
   • Jun Xi

   Mini-review Pages: 293 - 300

2. Dichloromethane and trichloroethylene inhibition of methane oxidation by the membrane-associated methane monooxygenase of Methylosinus trichosporium OB3b

   • Sonny Lontoh
   • Alan A. DiSpirito
   • J. D. Semrau

   Original paper Pages: 301 - 308

3. Comparison of the downstream pathways for degradation of nitrobenzene by Pseudomonaspseudoalcaligenes JS45 (2-aminophenol pathway) and by Comamonas sp. JS765 (catechol pathway)

   • Zhongqi He
   • J. C. Spain

   Original paper Pages: 309 - 316

4. Purification, characterization, and primary structure of a monofunctional catalase from Methanosarcina barkeri

   • S. Shima
   • Alexander Netrusov
   • Rudolf K. Thauer

   Original paper Pages: 317 - 323

5. Alternative schemes of butyrate production in Butyrivibrio fibrisolvens and their relationship to acetate utilization, lactate production, and phylogeny

   • Francisco Diez-Gonzalez
   • Daniel R. Bond
   • J. B. Russell

   Original paper Pages: 324 - 330

6. Energetics and biochemistry of fermentative benzoate degradation by Syntrophus gentianae

   • Ludger Schöcke
   • Bernhard Schink

   Original paper Pages: 331 - 337

7. Biochemical interaction of human neutrophil peptide-1 with Mycobacterium tuberculosis H37Ra

   • Sudhir Sharma
   • Indu Verma
   • G. K. Khuller

   Original paper Pages: 338 - 342

8. Identification of biosynthetic intermediates of the extracellular polysaccharide viilian in Lactococcus lactis subspecies cremoris SBT 0495

   • T. Oba
   • Klaas K. Doesburg
   • Jan Sikkema

   Original paper Pages: 343 - 349

9. Growth-rate-dependent bacteriochlorophyll c/d ratio in the antenna of Chlorobium limicola strain UdG6040

   • L. Bañeras
   • C. M. Borrego
   • L. J. Garcia-Gil

   Short communication Pages: 350 - 354