Cephalostatin Analogues - Synthesis and Biological Activity (Timo Flessner/Rolf Jautelat/Ulrich Scholz/Ekkehard Winterfeldt): Introduction; Synthesis o f Bissteroidal Pyrazines; A-D-Ring Functionalization; The Spiroketal Area of Cephalostatins; Summary; Acknowledgements; References.- Siderophores of the Pseudomonadaceae sensu stricto (Fluorescent and Non-Fluorescent Pseudomonas spp.) (Herbert Budzikiewicz): Introduction; The Typical Siderophores of the Fluorescent Pseudomonads - the Pyoverdins; Other Siderophores of Fluorescent Pseudomonads; Iron Sequestering; Pseudomonas and Health; Pseudomonas and Agriculture; Pseudomonas and Environmental Problems; Acknowledgements; Abbreviations; Appendices: Bacterial Species, Bacterial Culture Collections; References: Books, Chapters and Review Articles, Original Publications
