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Species: RuminantsTheileria parva is an intracellular protozoal parasite which causes East Coast Fever (ECF), a major constraint to cattle production in eastern and southern Africa. Characteristics of the protective CD8+ T-cell response against T. parva suggest it is focused on a limited number o...
Theileria parva is the etiologic agent of East Coast fever, an economically important disease of cattle in sub-Saharan Africa. This protozoan parasite is biologically transmitted by Rhipicephalus appendiculatus (Neumann) (Acari: Ixodidae). An understanding of the vector—parasite interaction may a...
Theileria parva is a tick-transmitted protozoan parasite that infects and transforms bovine lymphocytes. We have previously shown that Theileria parva Chitongo is an isolate with a lower virulence than that of T. parva Muguga. Lower virulence appeared to be correlated with a delayed onset of the ...
An in vitro infectivity assay was used to examine five cryoprotectants for their suitability of preserving Theileria parva sporozoites. All five were capable of preserving T. parva sporozoites through freezing, the optimal concentrations being 7.5 percent for glycerol, 5 percent for dimethyl sulp...
Polymorphic, multicopy gene families are frequently located in subtelomeric regions of the genomes of parasitic protozoa. Theileria parva telomere-associated (TA) DNA from two chromosomes contained long open reading frames (ORFs) 54% identical at the N-termini whose ends were 2670 and 2680 bp fro...
Theileria are economically important, intra-cellular protozoa, transmitted by ixodid ticks, which infect wild and domestic ruminants. In the mammalian host, parasites infect leukocytes and erythrocytes. In the arthropod vector they develop in gut epithelial cells and salivary glands. All four int...
The presence of the schizont stage of the obligate intracellular parasites Theileria parva or T. annulata in the cytoplasm of an infected leukocyte results in host cell transformation via a mechanism that has not yet been elucidated. Proteins, secreted by the schizont, or expressed on its surface...
As a first step in developing compartment-specific markers for protein trafficking within Theileria parva, we have isolated cDNAs encoding homologues of the small GTP binding proteins Rab1 and Rab4. The T. parva homologue of Rab1 (TpRab1), a protein which regulates vesicular transport between the...
East coast fever (ECF) is a major tick-borne disease caused by the apicomplexan parasite Theileria parva (1). ECF is an acute leukemia-like disease of cattle that is endemic in eastern, central and souther Africa, where it is responsible for significant mortality and losses in animal production. ...
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