3.4.23.38 additional information Plasmodium falciparum-infected cultured human erythrocytes 3.4.23.38 additional information proplasmepsin I is expressed in the ring stages whereas the proplasmepsin II gene is not transcribed until the later trophozoite stage of parasite growth 3.4.23.38 bloodstream form asexual. The knockout mutants DELTApfpm1 has lower replication rate in the asexual erythrocytic stage than the parental line 3.4.23.38 bloodstream form - 3.4.23.38 hypnozoite -