Isolation of Developmentally Regulated Genes from Toxoplasma gondii by a Gene Trap with the Positive and Negative Selectable Marker Hypoxanthine-Xanthine-Guanine Phosphoribosyltransferase

Abstract excerpt

Within its intermediate host, Toxoplasma gondii switches between two forms: a rapidly replicating tachyzoite and an encysted bradyzoite. Bradyzoites persist within the host throughout its life, hidden from antimicrobial agents and the immune system. The signals that mediate switching are poorly understood. A gene trap was employed to isolate genes whose expression is up-regulated early in the switching of...

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