CMPK1 and parasitic infectious disease: In contrast, the growth of the parasite clonecarrying a single loxP site was unaffected by RAP treatment.For parasite generations, cycle 1 (days 0–2) and cycle 2 (days 3 and 4),parasitemia levels of UCK-clones B12, D10, and E4 did not increase, indicatingthat UCK is essential for growth and replication ofintraerythrocytic parasites.