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The bacterial type VI secretion system (T6SS) is used by donor cells to inject toxic effectors into receptor cells. The donor cells produce the corresponding immunity proteins to protect themselves against the effector proteins, thereby preventing their self-intoxication. Recently, the C-terminal domain of VgrG3 was identified as a T6SS effector.(More)
A diverse superfamily of phospholipases consisting of the type VI lipase effectors Tle1-Tle5 secreted by the bacterial type VI secretion system (T6SS) have recently been identified as antibacterial effectors that hydrolyze membrane phospholipids. These effectors show no significant homology to known lipases, and their mechanism of membrane targeting and(More)
The putative protein PA5089 from Pseudomonas aeruginosa has recently been identified as a Tle5 phospholipase effector from a type VI secretion system (T6SS), and its toxicity can be neutralized by the cognate immunity protein Tli5 (PA5088). Here, the expression, purification, crystallization and preliminary crystallographic analysis of PA5088 are reported.(More)
UNLABELLED The oncogenic herpesvirus Kaposi's sarcoma-associated herpesvirus (KSHV) is known to encode four viral interferon regulatory factors (vIRF1 to -4) to subvert the host antiviral immune response, but their detailed DNA-binding profiles as transcription factors in the host remain uncharacterized. Here, we first performed genome-wide vIRF2-binding(More)
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