Disruptability [+]

Species Disruptability Reference Submitter
P. falciparum 3D7
Possible
USF piggyBac screen (Insert. mut.) USF PiggyBac Screen
P. falciparum 3D7
Possible
23201565
\" In addition, we established Pf1-Cys-Prx knockout (KO) parasite lines. The phenotypes of Pf1-Cys-Prx KO lines were different to those of the PfTPx-1 KO line and did not show hypersensitivity to reactive oxygen species, reactive nitrogen species, chloroquine or heat stress. These results suggest that the function of Pf1-Cys-Prx in the parasite cytoplasm is independent from that of PfTPx-1. \"
Theo Sanderson, Francis Crick Institute

Mutant phenotypes [+]

None reported yet. Please press the '+' button above to add one.

Imaging data (from Malaria Metabolic Pathways)

GFP targeting by various P. falciparum peroxiredoxins. (A) Cytosolic localization of TPx1. (B) Mitochondrial targeting of TPx2. (C) Cytosolic localization of 1-Cys Prx. Live cell imaging of erythrocytes infected with transgenic parasites for solely cytosolic GFP signals. Colocalization of GFP with the mitochondrial stain MitoTrackerOrange in fixed cells.Kehr S, Sturm N, Rahlfs S, Przyborski JM, Becker K. Compartmentation of redox metabolism in malaria parasites. PLoS Pathog. 2010 6:e1001242.

See original on MMP

The expression of PfTPx-1 (A), Pf1-Cys-Prx (B), and PfTrx-1 (C) proteins in P. falciparum cells during the erythrocytic stage. Parasite cells in panels (A–C) are stained with antiserum specific for each antioxidant protein (Alexa Fluor 568, red) and TO-PRO-3 iodide (blue; nucleolus staining). Letters with arrows are ring stage (R), schizont (S), and late trophozoite (T). Immunofluorescence microscopy of P. falciparum erythrocytic-stage parasites revealed that PfTPx-1 was expressed in the parasite cytoplasm during the ring, trophozoite and schizont stages. PfTPx-1 thus showed constitutive expression through the erythrocytic stage A). In contrast, significant staining of Pf1-Cys-Prx was detected in the trophozoites in the cytoplasm of the parasite. Expression of Pf1-Cys-Prx in late schizonts was weak in comparison to that of PfTPx-1 in parasites of the same stage, and it was not detected in the ring stage. Pf1-Cys-Prx thus showed limited expression during the trophozoite and early schizont stages (B). Significant expression of PfTrx-1 was observed after the trophozoite stage, but expression was weak during the ring stage (C).Yano K, Komaki-Yasuda K, Kobayashi T, Takemae H, Kita K, Kano S, Kawazu S. Expression of mRNAs and proteins for peroxiredoxins in Plasmodium falciparum erythrocytic stage. Parasitol Int. 2005 Mar;54(1):35-41.

See original on MMP

More information