Foreword Morris Kates Introductory Chapter: Half a Lifetime in Soda Lakes W.D. Grant 1 Trophic Ecology of Solar Salterns Carlos Pedros-Alio 2 Microbial Molecular and Physiological Diversity in Hypersaline Environments Carol D. Litchfield 3 Red, Extremely Halophilic, but not Archaeal: The Physiology and Ecology of Salinibacter ruber, a Bacterium Isolated from Saltern Crystallizer Ponds Aharon Oren, Francisco Rodriguez-Valera, Josefa Anton, Susana Benlloch, Ramon Rossello-Mora, Rudolf Amann, Julie Coleman, Nicholas J. Russell 4 The Potential Use of Signature Bases from 16S rRNA Gene Sequences to Aid the Assignment of Microbial Strains to Genera of Halobacteria Masahiro Kamekura, Toru Mizuki, Ron Usami, Yasuhiko Yoshida, Koki Horikoshi, Russell H. Vreeland 5 From Intraterrestrials to Extraterrestrials -- Viable Haloarchaea in Ancient Salt Deposits H. Stan-Lotter, C. Radax, T.J. McGenity, A. Legat, M. Pfaffenhuemer, H. Wieland, C. Gruber, E.B.M. Denner 6 Fungi in the Salterns Nina Gunde-Cimerman, Polona Zalar, Uros Petrovie, Martina Turk, Tina Kogej, G. Sybren de Hoog, Ana Plemenitas 7 Physiological and Molecular Responses of Bacillus subtilis to Hypertonicity: Utilization of Evolutionarily Conserved Adaptation Strategies G. Holtmann, C. D. Boiangiu, J. Brill, T. Hoffmann, A. U. Kuhlmann, S. Moses, G. Nau-Wagner, N. Pica, E. Bremer 8 Genetics of Osmoadaptation by Accumulation of Compatible Solutes in the Moderate Halophile Chromohalobacter salexigens: Its Potential in Agriculture Under Osmotic Stress Conditions C. Vargas, M.I. Calderon, N. Capote, R. Carrasco, R. Garcia, M.J. Moron, A. Ventosa, J.J. Nieto 9 Osmoregulated Solute Transport in Halophilic Bacteria Hans Joerg Kunte 10 Molecular and Functional Adaptations Underlying the Exceptional Salt Tolerance of the AlgaDunaliella salina A. Zamir, M. Azachi, U. Bageshwar, M. Fisher, I. Gokhman, L. Premkumar, A. Sadka, T. Savchenko 11 Multienzyme Complexes in the Archaea: Predictions from Genome Sequences Michael J. Danson, David J. Morgan, Alex C. Jeffries, David W. Hough, Michael L. Dyall-Smith 12 Nitrate Assimilation in Halophilic Archaea M.J. Bonete, F.C. Marhuenda-Egea, C. Pire, J. Ferrer, R.M. Martinez-Espinosa 13 The Archaeal Cardiolipins of the Extreme Halophiles Angela Corcelli, Veronica M. T. Lattanzio, Aharon Oren 14 Understanding Archaeal Protein Translocation: Haloferax volcanii as a Model System Jerry Eichler, Zvia Konrad, Gabriela Ring 15 Gas Vesicle Genes in Halophilic Archaea and Bacteria Felicitas Pfeifer 16 Extremely Halophilic Archaea: Insights into Their Response to Environmental Conditions Guadalupe Juez 17 Genome Sequences of the Head-Tail Haloviruses HF1 and HF2 S.-L. Tang, C. Fisher, K. Ngui, S.D. Nuttall, M.L. Dyall-Smith References 18 Reporter Gene Systems for Halophilic Microorganisms Constantin Drainas 19 Industrial Enzymes: Do Halophiles and Alkaliphiles Have a Role to Play? Brian E. Jones 20 Extracellular Hydrolytic Enzymes Produced by Moderately Halophilic Bacteria E. Mellado, C. Sanchez-Porro, S. Martin, A. Ventosa 21 Moderately Halophilic, Exopolysaccharide-Producing Bacteria E. Quesada, V. Bejar, M.R. Ferrer, C. Calvo, I. Llamas, F. Martinez-Checa, S. Arias, C. Ruiz-Garcia, R. Paez, J. Martinez-Canovas, A. del Moral 22 Biotransformation of Toxic Organic and Inorganic Contaminants by Halophilic Bacteria B.M. Peyton, M.R. Mormile, V. Alva, C. Oie, F. Roberto, W.A. Apel, A. Oren Epilogue Cum Grano Salis -- Salt in the History and Life of Mankind. An Overview with Emphasis on Europe Hans G. Truper