Affinity-based profiling of bacterial Fe(III)-siderophore receptors: design strategies for antibiotics and iron overload

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In order to establish an infection, bacteria compete with the host for iron, which is in scarce supply. To access iron, bacteria produce compounds called siderophores which bind iron strongly. The iron-siderophore complex, which is unique to each bacterium, is recognised by specific receptors at the bacterial cell-surface and imported for use. In this project, we are using modified siderophores as platforms for bacteria-specific drug design with the aim of producing new antibiotics.