1. Oxygen regulated gene expression in Escherichia coli: Control of anaerobic respiration by the FNR protein

   • Gottfried Unden
   • Martin Trageser

   OriginalPaper Pages: 65 - 76

2. Septal micropores in Zygozyma and their taxonomic significance

   • J. P. van der Walt
   • M. J. Wingfield
   • Wilma H. Batenburg-van der Vegte

   OriginalPaper Pages: 77 - 80

3. Bulleromyces genus novum (Tremellales), a teleomorph for Bullera alba, and the occurrence of mating in Bullera variabilis

   • Teun Boekhout
   • Alvaro Fonseca
   • Wilma H. Batenburg-van der Vegte

   OriginalPaper Pages: 81 - 93

4. Sympodiomycopsis: a new yeast-like anamorph genus with basidiomycetous nature from orchid nectar

   • Junta Sugiyama
   • Keiko Tokuoka
   • Kazuo Komagata

   OriginalPaper Pages: 95 - 108

5. Serine proteinase from Staphylococcus aureus enhances elastin degradation by elastases in the presence of human α-1-proteinase inhibitor

   • Dariusz Nowak
   • Jacek Międzobrodzki

   OriginalPaper Pages: 109 - 114

6. Molecular cloning and functional characterization of a recA analog from Pseudomonas stutzeri and construction of a P. stutzeri recA mutant

   • Ben Vosman
   • Klaas J. Hellingwerf

   OriginalPaper Pages: 115 - 123

7. Williopsis salicorniae Sp. Nov.

   • F. Hinzelin
   • C. P. Kurtzman
   • M. Th. Smith

   OriginalPaper Pages: 125 - 127

8. Arxula adeninivorans, a yeast assimilating many nitrogenous and aromatic compounds

   • Wouter J. Middelhoven
   • Ilona M. de Jong
   • Marleen de Winter

   OriginalPaper Pages: 129 - 137