单词	siderophore
释义	siderophore /ˈsɪdərə(ʊ)ˌfɔː / /ˈsʌɪdərə(ʊ)ˌfɔː/ noun Biochemistry A molecule which binds and transports iron in microorganisms.Uptake of iron siderophores and vitamin B12 into the periplasm has been shown to be an example of an energy-dependent translocation process through the outer membrane.... These siderophores bind iron efficiently and are then taken up by the bacteria through specific cell-surface receptors. Intracellular release of iron from siderophores is probably mediated by special reductases and/or hydrolases.
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