Bacterial iron metabolism

Bacterial iron metabolism refers to the collective strategies bacteria use to acquire, store, and regulate iron, an essential cofactor for many cellular enzymes and global metabolic processes[1][3]. Bacteria face severe iron limitation during infection due to host sequestration of iron by proteins such as transferrin and lactoferrin. To overcome this, bacteria employ highly specialized iron acquisition systems, such as secretion of siderophores (high-affinity ferric chelators) that capture iron for uptake via specific transporters, direct uptake of heme or other iron complexes, and reduction or acidification mechanisms to solubilize ferric iron[1][2]. Iron metabolism also involves the regulation of iron storage and consumption, managing redox stress, and global regulatory circuits (e.g., Fur protein). Disrupting bacterial iron metabolism is considered a promising antimicrobial strategy because it is essential for bacterial virulence and often absent or distinct in humans, making components such as siderophore biosynthesis and uptake machinery attractive drug targets[2]. However, "bacterial iron metabolism" is a broad process, not a single, discrete molecule or protein; therapeutic targeting is typically directed at specific proteins or systems within this pathway (e.g., siderophore receptors, biosynthesis enzymes), not at the overall metabolic concept. Note: - This query refers to a cellular process rather than a single canonical target molecule; therefore, it is considered incorrect as a molecular target name (is_incorrect: true). - For structured target modeling, the focus should be on molecular entities such as "siderophore receptor FepA," "Iron-regulated transporter IrtAB," or "Ferric uptake regulator (Fur)[2][3]." Key details are grounded in academic and review literature concerning bacterial iron acquisition, regulation, and its relevance as an antimicrobial target[1][2][3].

Other names

Iron acquisition systemsBacterial iron homeostasisBacterial iron uptake

Inhibition of siderophore biosynthesis, iron chelation, disruption of iron-regulated pathways, competitive inhibition of iron uptake, interference with heme utilization