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C3stau, a new member of the family of C3-like ADP-ribosyltransferases

机译:C3stau,C3样ADP-核糖基转移酶家族的新成员

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摘要

C3-like ADP-ribosyltransferases, which are produced by Clostridium botulinum, Clostridium limosum, Bacillus cereus and Staphylococcus aureus, are exoenzymes lacking a translocation unit. These enzymes specifically inactivate Rho GTPases in host target cells. Recently, a novel C3-like transferase from S. aureus with new properties was identified, raising questions regarding its function. As Rho GTPases are master regulators of several eukaryotic signal processes and S. aureus can invade eukaryotic cells, C3 might play a role as a virulence factor.
机译:由肉毒梭菌,利什曼梭菌,蜡状芽孢杆菌和金黄色葡萄球菌产生的C3样ADP-核糖基转移酶是缺乏易位单位的外切酶。这些酶特异性地灭活宿主靶细胞中的Rho GTPases。最近,鉴定了具有新特性的来自金黄色葡萄球菌的新型C3样转移酶,引起了有关其功能的疑问。由于Rho GTPases是几种真核信号过程的主要调节剂,而金黄色葡萄球菌可以侵染真核细胞,因此C3可能起毒力因子的作用。

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