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Molecular mechanism for the control of virulent Toxoplasma gondii infections in...
Murillo-León, Mateo; Müller, Urs B; Zimmermann, Ines; Singh, Shishir; Widdershooven, Pia; Campos, Cláudia; Alvarez, Catalina; Könen-Waisman, StephanieSome strains of the protozoan parasite Toxoplasma gondii (such as RH) are virulent in laboratory mice because they are not restricted by the Immunity-Related GTPase (IRG) resistance system in these mouse strains. In some wild-derived Eurasian mice (such as CIM) on the other hand, polymorphic IRG proteins inhibit the replication of such virulent T. gondii strains. Here we show that this resistance is due to dire...
The Toxoplasma gondii rhoptry protein ROP18 is an Irga6-specific kinase and reg...
Hermanns, Thomas; Müller, Urs B; Könen-Waisman, Stephanie; Howard, Jonathan C; Steinfeldt, TobiasIn mice, avirulent strains (e.g. types II and III) of the protozoan parasite Toxoplasma gondii are restricted by the immunity-related GTPase (IRG) resistance system. Loading of IRG proteins onto the parasitophorous vacuolar membrane (PVM) is required for vacuolar rupture resulting in parasite clearance. In virulent strain (e.g. type I) infections, polymorphic effector proteins ROP5 and ROP18 cooperate to phosph...