during the s cruzi monoinfection phase , positive antibody reactions were recorded in c1 and c2 , using an elisa with soluble ( cytoplasmic ) t gondii tachyzoite antigen , while antibody reactions remained negative in the toxoplasma indirect fluorescent antibody test and in an elisa employing t gondii tachyzoite cell membrane antigen .
C0010834
cytoplasmic
C0007603
cell membrane