Molecular Physiology of Metal-Microbe Interactions According to Mechanisms.- Understanding How Cells Allocate Metals.- Metalloregulators: Arbiters of Metal Sufficiency.- Transcriptomic Responses of Bacterial Cells to Sublethal Metal Ion Stress.- Bacterial Transition Metal Homeostasis.- Biosensing of Heavy Metals.- A Glossary of Microanalytical Tools to Assess the Metallome.- Molecular Physiology of Metal-Microbe Interactions According to Groups.- Acquisition of Iron by Bacteria.- New Transport Deals for Old Iron.- Manganese: Uptake, Biological Function, and Role in Virulence.- How Bacteria Handle Copper.- Microbial Physiology of Nickel and Cobalt.- Zinc, Cadmium, and Lead Resistance and Homeostasis.- Microbiology of the Toxic Noble Metal Silver.- Mercury Microbiology: Resistance Systems, Environmental Aspects, Methylation, and Human Health.- Arsenic Metabolism in Prokaryotic and Eukaryotic Microbes.- Reduction and Efflux of Chromate by Bacteria.- Molybdate and Tungstate: Uptake, Homeostasis, Cofactors, and Enzymes.