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- W3040806694 abstract "Summary Iron is an essential element for almost all living organisms, but can be extremely toxic in high concentrations. All organisms must therefore employ homeostatic mechanisms to finely regulate iron uptake, usage and storage in the face of dynamic environmental conditions. The critical step in mammalian systemic iron homeostasis is the fine regulation of dietary iron absorption. However, as the gastrointestinal system is also home to >10 14 bacteria, all of which engage in their own programmes of iron homeostasis, the gut represents an anatomical location where the inter‐kingdom fight for iron is never‐ending. Here, we explore the molecular mechanisms of, and interactions between, host and bacterial iron homeostasis in the gastrointestinal tract. We first detail how mammalian systemic and cellular iron homeostasis influences gastrointestinal iron availability. We then focus on two important human pathogens, Salmonella and Clostridia ; despite their differences, they exemplify how a bacterial pathogen must navigate and exploit this web of iron homeostasis interactions to avoid host nutritional immunity and replicate successfully. We then reciprocally explore how iron availability interacts with the gastrointestinal microbiota, and the consequences of this on mammalian physiology and pathogen iron acquisition. Finally, we address how understanding the battle for iron in the gastrointestinal tract might inform clinical practice and inspire new treatments for important diseases." @default.
- W3040806694 created "2020-07-16" @default.
- W3040806694 creator A5041818042 @default.
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- W3040806694 creator A5080636077 @default.
- W3040806694 creator A5087699710 @default.
- W3040806694 date "2020-08-11" @default.
- W3040806694 modified "2023-10-01" @default.
- W3040806694 title "The battle for iron in enteric infections" @default.
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