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Biomolecule-specific small-molecule probes, in contrast to genetically encoded tags, can visualize peptidoglycan, lipids, nucleic acids and glycans and have proven useful for imaging of the unique subcellular compartments and environment of bacteria.
This Review article highlights bacterial toxin-antitoxin system components, their function and the mechanisms they use to affect diverse physiological functions and conditions, including dormancy and entry and exit from the persistent state defined by a high tolerance to antibiotics.
