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VgrG, Tae, TIe, and beyond: the versatile arsenal of Type VI secretion effectors

机译:VgrG,Tae,TIe等:VI型分泌效应器的多功能武库

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The type VI secretion system (T6SS) is a macromolecular machine that delivers protein effectors into both prokaryotic and eukaryotic cells, therefore participating in interbacterial competition and virulence. The T6SS is functionally and structurally similar to the contractile bacteriophage cell puncturing device: the contraction of a sheath-like structure is believed to propel an inner tube terminated by a spike towards target cells, allowing the delivery of effectors. In this review, we summarize recent advances in the identification and characterization of T6SS effector proteins, highlighting the broad repertoire of enzymatic activities, and discuss recent findings relating to the secretion mechanisms
机译:VI型分泌系统(T6SS)是一种大分子机器,可将蛋白质效应子传递到原核和真核细胞中,因此参与细菌间竞争和毒力。 T6SS在功能和结构上均类似于收缩性噬菌体细胞穿刺装置:鞘状结构的收缩被认为可将以尖峰终止的内管推向靶细胞,从而实现效应子的输送。在这篇综述中,我们总结了鉴定和表征T6SS效应蛋白的最新进展,突出了广泛的酶活性,并讨论了有关分泌机制的最新发现。

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