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首页> 外文期刊>Infection and immunity >The Salmonella enterica Serovar Typhimurium Divalent Cation Transport Systems MntH and SitABCD Are Essential for Virulence in an Nramp1G169 Murine Typhoid Model
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The Salmonella enterica Serovar Typhimurium Divalent Cation Transport Systems MntH and SitABCD Are Essential for Virulence in an Nramp1G169 Murine Typhoid Model

机译:沙门氏菌血清型鼠伤寒二价阳离子转运系统MntH和SitABCD对Nramp1G169鼠伤寒模型中的毒力至关重要。

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Nramp1 is a transporter that pumps divalent cations from the vacuoles of phagocytic cells and is associated with the innate resistance of mice to diverse intracellular pathogens. We demonstrate that sitA and mntH, genes encoding high-affinity metal ion uptake systems in Salmonella enterica serovar Typhimurium, are upregulated when Salmonella is internalized by Nramp1-expressing macrophages and play an essential role in systemic infection of congenic Nramp1-expressing mice.
机译:Nramp1是一种转运蛋白,可从吞噬细胞的液泡中抽出二价阳离子,并且与小鼠对多种细胞内病原体的先天抗性有关。我们证明了 sitA mntH 是编码 Salmonella enterica 血清型鼠伤寒沙门氏菌的高亲和力金属离子摄取系统的基因,当 Salmonella时,它们的表达被上调被表达Nramp1的巨噬细胞内化,并在系统性感染表达Nramp1的小鼠中发挥重要作用。

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