1. Mutants of Rhizobium japonicum defective in nodulation

   • Gary Stacey
   • Alan S. Paau
   • Winston J. Brill

   Original Papers Pages: 219 - 224

2. Sex pheromone of α mating type in the yeast Saccharomyces kluyveri and its synthetic analogues in relation to sex pheromones in Saccharomyces cerevisiae and Hansenula wingei

   • Hiroaki Fujimura
   • Naohiko Yanagishima
   • Isao Banno

   Original Papers Pages: 225 - 229

3. Cytochrome patterns in Rhizobium japonicum cells grown under chemolithotrophic conditions

   • Günter Eisbrenner
   • Ruth E. Hickok
   • Harold J. Evans

   Original Papers Pages: 230 - 235

4. Temperature dependency of induction of sexual agglutinability by α pheromone in the yeast Saccharomyces cerevisiae

   • Kayoko Nishi
   • Naohiko Yanagishima

   Original Papers Pages: 236 - 240

5. On the origin of the branched alkyl substituents on ring B of flexirubin-type pigments

   • Hans Achenbach
   • Angelika Böttger-Vetter
   • Hans Reichenbach

   Original Papers Pages: 241 - 244

6. Murein and lipopolysaccharide biosynthesis in synchronized cells of Escherichia coli K 12 and the effect of penicillin G, mecillinam and nalidixic acid

   • Peter Essig
   • Hans Herbert Martin
   • Jobst Gmeiner

   Original Papers Pages: 245 - 250

7. The role of glutamine synthetase in the regulation of nitrogenase activity (“switch off” effect) in Rhodospirillum rubrum

   • Gunnar Falk
   • Bo C. Johansson
   • Stefan Nordlund

   Original Papers Pages: 251 - 253

8. Histidine utilization by Alcaligenes eutrophus: Regulation of histidase formation under heterotrophic conditions of growth

   • Michael Schlesier
   • Bärbel Friedrich

   Original Papers Pages: 254 - 259

9. Effect of molecular hydrogen on histidine utilization by Alcaligenes eutrophus

   • Michael Schlesier
   • Bärbel Friedrich

   Original Papers Pages: 260 - 265

10. Catabolism of 5-hydroxyisoflavones by fungi of the genus Fusarium

    • Ulrike Willeke
    • Wolfgang Barz

    Original Papers Pages: 266 - 269

11. An Escherichia coli mutant defective in the NAD-dependent succinate semialdehyde dehydrogenase

    • Michael A. Skinner
    • Ronald A. Cooper

    Original Papers Pages: 270 - 275

12. Evidence for the presence of the glyoxylate cycle in Chloroflexus

    • Øystein Løken
    • Reidun Sirevåg

    Original Papers Pages: 276 - 279

13. Brevibacterium divaricatum: Influence of nutritional conditions on the wall composition and release of uncross-linked peptidoglycan chains into medium

    • Zdenka Valinger
    • Dina Keglević
    • Radmila Naumski

    Original Papers Pages: 280 - 284

14. Kinetic mechanism for the ability of sulfate reducers to out-compete methanogens for acetate

    • Peter Schönheit
    • Jakob K. Kristjansson
    • Rudolf K. Thauer

    Original Papers Pages: 285 - 288

15. Participation of vacuoles in regulation of levels of K⁺, Mg²⁺ and orthophosphate ions in cytoplasm of the yeast Saccharomyces carlsbergensis

    • Lidia P. Lichko
    • Lev A. Okorokov
    • Igor S. Kulaev

    Original Papers Pages: 289 - 293

16. Semiaerobic induction of a nitrate reductase activity in growing cultures of Rhodopseudomonas capsulata E₁F₁ containing NH ₄ ⁺ ions as nitrogen source

    • Norma L. Kerber
    • Ariadna Ciai
    • Augusto Fernando García

    Original Papers Pages: 294 - 296