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Microbial TIR domains: not necessarily agents of subversion?

机译:微生物TIR域:不一定是颠覆的媒介?

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The Toll/interleukin-1 receptor (TIR) domain plays a crucial role in the mammalian innate immune response. Recently, proteins containing TIR domains have been described in bacteria and it has been suggested that these bacterial proteins are involved in subversion of the vertebrate immune system. Here we describe the distribution of TIR-domain proteins among bacteria, fungi, archaea and viruses and evaluate the subversion hypothesis in the light of our findings. We suggest that most TIR domains in bacteria have nothing to do with subverting eukaryotic cells; instead, TIR domains function simply as general purpose protein-protein interaction domains put to diverse uses.
机译:Toll /白介素-1受体(TIR)域在哺乳动物的先天免疫应答中起着至关重要的作用。最近,在细菌中已经描述了含有TIR结构域的蛋白质,并且已经表明这些细菌蛋白质参与了脊椎动物免疫系统的破坏。在这里,我们描述了TIR域蛋白在细菌,真菌,古细菌和病毒之间的分布,并根据我们的发现评估了颠覆假设。我们建议细菌中的大多数TIR结构域与破坏真核细胞无关。取而代之的是,TIR结构域只是作为通用的蛋白质-蛋白质相互作用结构域而被广泛使用。

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