Dedication. Table of Contents. Foreword; J. Seckbach. Preface. Comments on Prokaryote Nomenclature and Salt Concentration Units. Section 1. An Historical Survey. 1. Halophilic Microorganisms in their Natural Environment and in Culture - An Historical Introduction. Section 2: Halophilic Microorganisms and their Properties. Introduction. 2. Taxonomy of Halophilic Microorganisms: Archaea, Bacteria and Eucarya. 3. The Cellular Structure of Halophilic Microorganisms. 4. Cellular Metabolism and Physiology of Halophilic Microorganisms. 5. Pigments of Halophilic Microorganisms. 6. Intracellular Salt Concentrations and Ion Metabolism in Halophilic Microorganisms. 7. Properties of Halophilic Proteins. 8. Organic Compatible Solutes. 9. Halophilic Bacteriophages and Halocins. 10. Genetics and Genomics of Halophilic Archae and Bacteria. 11. Biotechnological Applications and Potentials of Halophilic Microorganisms. Section 3: Hypersaline Environments and their Biota. Introduction. 12. Great Salt Lake, Utah. 13. the Dead Sea. 14. Solar Salterns. 15. Alkaline Hypersaline Lakes in Africa and Asia. 16. Mono Lake, California, and Big Soda lake, Nevada. 17. Miscellaneous Habitats of Halophilic Microorganisms - from Antarctic Lakes to Hydrothermal Vents. Section 4: Epilogue. 18. Epilogue: Evolution of Halophiles and Survival of Halophiles of Earth and in Space. Section 5: Supplement. Methods for Cultivation and handling of Halophilic Archaea and Bacteria. Glossary of Limnological Terms. Aboutthe Author. Organism Index. Geographical Index. Subject Index.