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Reassociation kinetics and flow cytometry data indicate that ixodid tick genomes are large, relative to most arthropods, containing ≥ 109 base pairs. The molecular basis for this is unknown. We have identified a novel small interspersed element with features of a tRNA-derived SINE, designated Ruk...


Sunter, J.D.Patel, S.P.Skilton, Robert A.Knowles, Donald P.Scoles, Glen A.Nene, VishvanathVilliers, Etienne P. deBishop, Richard P.[A novel SINE family occurs frequently in both genomic DNA and transcribed sequences in ixodid ticks of the arthropod sub-phylum Chelicerata]A novel SINE family occurs frequently in both genomic DNA and transcribed sequences in ixodid ticks of the arthropod sub-phylum Chelicerata

The published genomic sequences of the two major host-transforming Theileria species of cattle represent a rich resource of information that has allowed novel bioinformatic and experimental studies into these important apicomplexan parasites. Since their publication in 2005, the genomes of T. ann...


Weir, W.Sunter, J.Chaussepied, M.Skilton, Robert A.Tait, A.Villiers, Etienne P. deBishop, Richard P.Shiels, B.Langsley, G.[Highly syntenic and yet divergent: a tale of two Theilerias]Highly syntenic and yet divergent: a tale of two Theilerias

Theileria parva causes East Coast fever, an economically important disease of cattle in sub-Saharan Africa. We describe a nested polymerase chain reaction (nPCR) assay for the detection of T. parva DNA in cattle blood spotted onto filter paper using primers derived from the T. parva-specific 104-...


Odongo, David O.Sunter, J.D.Kiara, Henry K.Skilton, Robert A.Bishop, Richard P.[A nested PCR assay exhibits enhanced sensitivity for detection of Theileria parva infections in bovine blood samples from carrier animals]A nested PCR assay exhibits enhanced sensitivity for detection of Theileria parva infections in bovine blood samples from carrier animals

Vaccines based on recombinant Bm86 gut antigen from Boophilus microplus are a useful component of integrated control strategies against B. microplus infestations of cattle. The capacity of such vaccines to control heterologous infestations by two African tick species was investigated. The mean we...


Odongo, D.Kamau, L.Skilton, Robert A.Mwaura, S.Nitsch, C.Musoke, A.J.Taracha, E.A.Daubenberger, C.A.Bishop, Richard P.[Vaccination of cattle with TickGARD induces cross-reactive antibodies binding to conserved linear peptides of Bm86 homologues in Boophilus decoloratus]Vaccination of cattle with TickGARD induces cross-reactive antibodies binding to conserved linear peptides of Bm86 homologues in Boophilus decoloratus

The transcriptional control of gene expression is not well documented in the Arthropoda. We describe transcriptional analysis of two exceptionally divergent homologues (Ra86) of the Bm86 gut antigen from Rhipicephalus appendiculatus. Bm86 forms the basis of a commercial vaccine for the control of...


Kamau, L.Skilton, Robert A.Odongo, David O.Mwaura, S.Githaka, Naftaly W.Kanduma, E.G.Obura, M.Kabiru, E.Orago, A.Musoke, A.J.Bishop, Richard P.[Differential transcription of two highly divergent gut-expressed Bm86 antigen gene homologues in the tick Rhipicephalus appendiculatus (Acari: Ixodida)]Differential transcription of two highly divergent gut-expressed Bm86 antigen gene homologues in the tick Rhipicephalus appendiculatus (Acari: Ixodida)

Previous studies using monoclonal antibody (mAb) 4C9 specific for a 32 kDa antigen (p32) of Theileria parva demonstrated expression of the antigen on the surface of the sporozoite, making it a potential antigen for sporozoite neutralization. A full-length cDNA encoding the major merozoite/piropla...


Skilton, Robert A.Musoke, A.J.Wells, C.W.Yagi, Y.Nene, VishvanathSpooner, P.R.Gachanja, J.Osaso, J.Bishop, Richard P.Morzaria, S.P.[A 32 kDa surface antigen of Theileria parva: Characterization and immunization studies]A 32 kDa surface antigen of Theileria parva: Characterization and immunization studies

Immunity against the bovine protozoan parasite Theileria parva has previously been shown to be mediated through lysis of parasite-infected cells by MHC class I restricted CD8+ cytotoxic T lymphocytes. It is hypothesized that identification of CTL target schizont antigens will aid the development ...


Graham, S.P.Honda, Y.Pelle, RogerMwangi, D.M.Glew, E.J.Villiers, Etienne P. deShah, TushaarBishop, Richard P.Bruggen, P. van derNene, VishvanathTaracha, E.L.N.[A novel strategy for the identification of antigens that are recognised by bovine MHC class I restricted cytotoxic T cells in a protozoan infection using reverse vaccinology]A novel strategy for the identification of antigens that are recognised by bovine MHC class I restricted cytotoxic T cells in a protozoan infection using reverse vaccinology

Initial comparison of 2 polymorphic, immunodominant molecule (PIM) cDNA sequences from Theileria parva suggested that the PIM genes consist of conserved 5' and 3' termini flanking a central variable region. Further evidence is presented, based on sequence analysis, supporting this general structu...


Toye, Philip G.Gobright, E.I.Nyanjui, J.Nene, VishvanathBishop, Richard P.[Structure and sequence variation of the genes encoding the polymorphic, immunodominant molecule (PlM), a candidate diagnostic antigen of Theileria parva]Structure and sequence variation of the genes encoding the polymorphic, immunodominant molecule (PlM), a candidate diagnostic antigen of Theileria parva

Bacteriophage clones containing Theileria parva genomic DNA derived from two different telomeres were isolated and the nucleotide sequences of the telomeric repeats and adjacent telomere-associated (TAS) DNA were determined. The T. parva telomeric repeat sequences, a tandem array of TTTTAGGG or T...


Sohanpal, B.K.Morzaria, S.P.Gobright, E.I.Bishop, Richard P.[Characterisation of the telomeres at opposite ends of a 3 Mb Theileria parva chromosome]Characterisation of the telomeres at opposite ends of a 3 Mb Theileria parva chromosome

Tick-borne diseases (TBDs) are a major economic constraint to livestock production in sub-Saharan Africa. ILRI is focussing on developing a range of products, such as vaccines, diagnostics and decision support services to underpin improved control programmes against these diseases. We have develo...


Morzaria, S.P.Katende, J.Musoke, A.J.Nene, VishvanathSkilton, Robert A.Bishop, Richard P.[Development of sero-diagnostic and molecular tools for the control of important tick-borne pathogens of cattle in Africa]Development of sero-diagnostic and molecular tools for the control of important tick-borne pathogens of cattle in Africa

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