1. Isolation and characterization of five genotypic mutants of chlorate-resistant cyanobacteria unable to utilize nitrate

   • S. E. Stevens Jr.
   • Russell L. Smith

   OriginalPaper Pages: 311 - 318

2. Evidence for the role of intracellular glutamine level in the regulation of glutamine uptake in the cyanobacteriumAnabaena 7120

   • Surendra Singh
   • P. S. Bisen

   OriginalPaper Pages: 319 - 322

3. Rapid purification of native SecA fromEscherichia coli: Development of a new affinity chromatography procedure

   • Kevin B. Kiser
   • Philippe Arnaud
   • Michael G. Schmidt

   OriginalPaper Pages: 323 - 329

4. Two strains ofVibrio cholerae non-O1 possessing somatic (O) antigen factors in common withV. cholerae serogroup O139 synonym “Bengal”

   • Toshio Shimada
   • Eiji Arakawa
   • Yoshifumi Takeda

   OriginalPaper Pages: 331 - 333

5. Resistance to cadmium salts and metal absorption by different microbial species

   • Marina Gelmi
   • Piero Apostoli
   • Adolfo Turano

   OriginalPaper Pages: 335 - 341

6. Xylanolytic activities ofSpirochaeta thermophila

   • Robert B. Hespell

   OriginalPaper Pages: 343 - 347

7. Xylose metabolism in a thermophilic mouldMalbranchea pulchella var.sulfurea TMD-8

   • S. Banerjee
   • A. Archana
   • T. Satyanarayana

   OriginalPaper Pages: 349 - 352

8. Orotidine-5′-monophosphate decarboxylase fromPseudomonas aeruginosa PAO1: Cloning, overexpression, and enzyme characterization

   • Ulrich Strych
   • Susanne Wohlfarth
   • Ulrich K. Winkler

   OriginalPaper Pages: 353 - 359