1. Evidence for adenylylation/deadenylylation control of the glutamine synthetases of Rhodospirillum tenue and Rhodocyclus purpureus

   • Richard A. Masters
   • Michael T. Madigan

   Original Papers Pages: 103 - 108

2. A cyclic adenosine 3′,5′-monophosphate-dependent protein kinase mutant of Neurospora crassa

   • Tadako Murayama
   • Isao Uno
   • Tatsuo Ishikawa

   Original Papers Pages: 109 - 112

3. Regulation of methylotrophic and heterotrophic metabolism in Arthrobacter P1. Growth on mixtures of methylamine and acetate in batch and continuous cultures

   • P. R. Levering
   • L. Dijkhuizen

   Original Papers Pages: 113 - 120

4. Immunoelectron microscopic studies on the localization of peptidoglycan peptide subunit pentapeptides in bacterial cell walls

   • Peter H. Seidl
   • Jochen R. Golecki
   • Karl Heinz Schleifer

   Original Papers Pages: 121 - 127

5. A sodium ion gradient as energy source for Peptostreptococcus asaccharolyticus

   • Gert Wohlfarth
   • Wolfgang Buckel

   Original Papers Pages: 128 - 135

6. Sites of phospholipid biosynthesis during induction of intracytoplasmic membrane formation in Rhodopseudomonas sphaeroides

   • Cynthia W. Radcliffe
   • Richard M. Broglie
   • Robert A. Niederman

   Original Papers Pages: 136 - 140

7. Virulence as a consequence of genome instability of a novel temperate bacteriophage, ΦRsG1, of Rhodobacter sphaeroides Y

   • Michael Duchrow
   • Gert-Wieland Kohring
   • Friedrich Giffhorn

   Original Papers Pages: 141 - 147

8. Trace metal and vitamin requirements of Methanococcoides methylutens grown with trimethylamine

   • Kevin R. Sowers
   • James G. Ferry

   Original Papers Pages: 148 - 151

9. Regulation of intracellular cyclic AMP levels in the white-rot fungus Phanerochaete chrysosporium during the onset of idiophasic metabolism

   • Malcolm J. MacDonald
   • Richard Ambler
   • Paul Broda

   Original Papers Pages: 152 - 156

10. Regulation of tryptophan metabolism in Coprinus cinereus: Isolation and characterisation of mutants resistant to 5-fluoroindole

    • David Veal
    • Lorna A. Casselton

    Original Papers Pages: 157 - 163

11. Heliothrix oregonensis, gen. nov., sp. nov., a phototrophic filamentous gliding bacterium containing bacteriochlorophyll a

    • B. K. Pierson
    • S. J. Giovannoni
    • R. W. Castenholz

    Original Papers Pages: 164 - 167

12. Characterization of the cell wall of the unicellular cyanobacterium Synechocystis PCC 6714

    • Uwe J. Jürgens
    • Jochen R. Golecki
    • Jürgen Weckesser

    Original Papers Pages: 168 - 174

13. Evidence for the involvement and role of a corrinoid enzyme in methane formation from acetate in Methanosarcina barkeri

    • Bernhard Eikmanns
    • Rudolf K. Thauer

    Original Papers Pages: 175 - 179

14. A model of the phototactic reaction chain of the cyanobacterium Anabaena variabilis

    • Wilhelm Nultsch
    • Hartwig Schuchart

    Original Papers Pages: 180 - 184

15. The effects of alterations in the suspending medium on low temperature activation of spores of Bacillus stearothermophilus NGB101

    • Harold F. Foerster

    Original Papers Pages: 185 - 189

16. Evidence for cAMP-mediated control of isoleucyl-tRNA synthetase formation in Escherichia coli K-12

    • Arthur L. Williams
    • Richard S. Barnett

    Original Papers Pages: 190 - 193

17. Leucine biosynthesis in Alcaligenes eutrophus H16: Influence of amino acid additions on the formation of active α-isopropylmalate synthase and α-acetohydroxy acid synthase

    • J. Wiegel

    Original Papers Pages: 194 - 199

18. Effect of 2-deoxyglucose, α-methylglucoside, and glucosamine on aflatoxin production by Aspergillus parasiticus

    • Robert L. Buchanan
    • Lori A. Ocker
    • Heidi G. Stahl

    Short Communications Pages: 200 - 203

19. A technique for accelerating and synchronising germination of conidia of the entomopathogenic fungus Metarhizium anisopliae

    • Roderick James Dillon
    • Anthony Keith Charnley

    Short Communications Pages: 204 - 206