siderophore

noun
sid·​ero·​phore | \ ˈsid-ə-rə-ˌfō(ə)r How to pronounce siderophore (audio) \

Medical Definition of siderophore

: any of a group of low molecular weight compounds produced especially by various microorganisms that bind ferric iron extracellularly to form a stable chelate for transport into the cell

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