In our previous studies, we also showed the usefulness of two recombinant chimeric antigens MIC1-MAG1 (Holec-Gąsior et al. 2012a) and MIC1-MAG1-SAG1 (Holec-Gąsior et al. 2012b) in diagnosis of toxoplasmosis. The gene discussed is GPAT3; the disease is toxoplasmosis.