نتایج جستجو برای: rhoptry
تعداد نتایج: 383 فیلتر نتایج به سال:
BACKGROUND Toxoplasma gondii is an obligate intracellular parasite which can infect almost all mammalian animals, leading to toxoplasmosis. T. gondii rhoptry protein 38 (TgROP38) is an active rhoptry protein kinase which is involved in the inhibitory effect on host cell transcription by down-regulating the MAPK signaling track. METHODS TgROP38 gene was amplified and inserted into eukaryotic v...
this study was aimed to detect anti-toxoplasma gondii antibodies in cats infected with rh strain of t. gondii by using an immunoblotting method. for this, cats were experimentally infected using tachyzoites harvested from vero cell cultures. tachyzoites were then lysed and transferred to polyacrylamide gels followed by blotting to pvdf membranes. an immunoblotting was performed using these memb...
Plasmodium falciparum parasites, the causative agents of malaria, modify their host erythrocyte to render them permeable to supplementary nutrient uptake from the plasma and for removal of toxic waste. Here we investigate the contribution of the rhoptry protein RhopH2, in the formation of new permeability pathways (NPPs) in Plasmodium-infected erythrocytes. We show RhopH2 interacts with RhopH1,...
The gene encoding Babesia bovis rhoptry-associated protein 1 (RAP-1) was used to develop an enzyme-linked immunosorbent assay (ELISA) to measure specific antibodies against B. bovis. The B. bovis RAP-1 gene was subcloned into a baculovirus transfer vector, and the RAP-1 protein was expressed in insect cells infected with a recombinant baculovirus. The recombinant B. bovis RAP-1 of 65 kDa was de...
Host cell invasion by the Apicomplexa critically relies on regulated secretion of transmembrane micronemal proteins (TM-MICs). Toxoplasma gondii possesses functionally non-redundant MIC complexes that participate in gliding motility, host cell attachment, moving junction formation, rhoptry secretion and invasion. The TM-MICs are released onto the parasite's surface as complexes capable of inter...
European and North American strains of the parasite Toxoplasma gondii belong to three distinct clonal lineages, type I, type II, and type III, which differ in virulence. Understanding the basis of Toxoplasma strain differences and how secreted effectors work to achieve chronic infection is a major goal of current research. Here we show that type I and III infected macrophages, a cell type requi...
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