Atmospheric constraints on the evolution of metabolism James C. G. Walker OriginalPaper Pages: 93 - 104
The gas vacuole: An early organelle of prokaryote motility? James T. Staley OriginalPaper Pages: 111 - 116
Structural features of manganese precipitating bacteria Kenneth H. NealsonBradley Tebo OriginalPaper Pages: 117 - 126
Sulphur isotope rations in late and early Precambrian sediments and their implications regarding early environments and early life H. G. Thode OriginalPaper Pages: 127 - 136
Limits to life at low temperatures and at reduced water contents and water activities Peter Mazur OriginalPaper Pages: 137 - 159
Physical chemistry and evolution of salt tolerance in halobacteria Janos K. Lanyi OriginalPaper Pages: 161 - 167
Purification and properties of malate dehydrogenase from the extreme thermophileBacillus caldolyticus Hordur KristjanssonCyril Ponnamperuma OriginalPaper Pages: 185 - 192