نتایج جستجو برای: theileria sppbabesia

تعداد نتایج: 1967  

2015
Lucy Wamuyu Vincent Obanda Daniel Kariuki Francis Gakuya Moni Makanda Moses Otiende Sheila Ommeh Lawrence Young

Theileria is a genus of tick-borne protozoan that is globally widespread and infects nearly all ungulates in which they cause either latent infection or lethal disease. Wild animals are considered reservoir hosts of many species of Theileria and their diversity in wildlife species is increasingly becoming of interest. The molecular characterization and identification of Theileria infecting wild...

2013
Joshua D. Ramsay Massaro W. Ueti Wendell C. Johnson Glen A. Scoles Donald P. Knowles Robert H. Mealey

Theileria equi has a biphasic life cycle in horses, with a period of intraleukocyte development followed by patent erythrocytic parasitemia that causes acute and sometimes fatal hemolytic disease. Unlike Theileria spp. that infect cattle (Theileria parva and Theileria annulata), the intraleukocyte stage (schizont) of Theileria equi does not cause uncontrolled host cell proliferation or other si...

2013
Mamohale E. Chaisi Michiel E. Janssens Lieve Vermeiren Marinda C. Oosthuizen Nicola E. Collins Dirk Geysen

A quantitative real-time PCR (qPCR) assay based on the cox III gene was evaluated for the simultaneous detection and discrimination of Theileria species in buffalo and cattle blood samples from South Africa and Mozambique using melting curve analysis. The results obtained were compared to those of the reverse line blot (RLB) hybridization assay for the simultaneous detection and differentiation...

2015
Jilei Zhang Patrick Kelly Jing Li Chuanling Xu Chengming Wang

Theileria spp. are tick-transmitted, intracellular apicomplexan protozoan parasites infecting a wide range of animals. As there is very limited information on the prevalence of Theileria spp. in the Caribbean we used the recently described genus-specific pan-Theileria FRET-qPCR to identify infected animals in the region and a standard 18S rRNA gene PCR and sequencing to determine the species in...

Journal: :Trends in parasitology 2015
Kyle Tretina Hanzel T Gotia David J Mann Joana C Silva

The genus Theileria includes tick-transmitted apicomplexan parasites of ruminants with substantial economic impact in endemic countries. Some species, including Theileria parva and Theileria annulata, infect leukocytes where they induce phenotypes that are shared with some cancers, most notably immortalization, hyperproliferation, and dissemination. Despite considerable research into the affect...

Journal: :Experimental parasitology 1974
M J Burridge C G Brown C D Kimber

BURRIDGE, M. J., BROWN, C. G. D., AND KIMBER, C. D. 1974. Theileria anndata: Cross-reactions between a Cell Culture Schizont Antigen and Antigens of .East African Species in the Indirect Fluorescent Antibody Test. Experimental Parasitology 35, 374380. A schizont antigen for the indirect fluorescent antibody test was prepared from an in &TO culture suspension of lymphoid cells infected with Thei...

2015
Janis Hooge Laryssa Howe Vanessa O. Ezenwa

Blood samples collected from Grant's gazelles (Nanger granti) in Kenya were screened for hemoparasites using a combination of microscopic and molecular techniques. All 69 blood smears examined by microscopy were positive for hemoparasites. In addition, Theileria/Babesia DNA was detected in all 65 samples screened by PCR for a ~450-base pair fragment of the V4 hypervariable region of the 18S rRN...

Journal: :Veterinary parasitology 2011
P S Brothers N E Collins M C Oosthuizen R Bhoora M Troskie B L Penzhorn

Blood samples were collected from 71 tsessebes relocated from the deproclaimed Vaalbos National Park to Mokala National Park, South Africa. DNA was extracted from the samples and the reverse line blot (RLB) hybridization technique was used to detect and identify any haemoparasites present. Six samples hybridized to the Theileria/Babesia genus-specific probe, the Theileria genus-specific probe a...

Journal: :Cancer research 2006
Regina Lizundia Marie Chaussepied Michel Huerre Dirk Werling James P Di Santo Gordon Langsley

Theileria parasites infect and transform bovine lymphocytes resulting in tumors with metastatic/invasive potential. Importantly, cellular transformation is reversed upon drug-induced parasite death, and the infected lymphocyte dies of apoptosis within 48 hours. Theileria-dependent transformation leads to the constitutive activation of c-Jun NH2-terminal kinase (both JNK1 and JNK2) and permanent...

Journal: :Veterinary parasitology 2013
Mamohale E Chaisi Nicola E Collins Fred T Potgieter Marinda C Oosthuizen

The African buffalo (Syncerus caffer) is a natural reservoir host for both pathogenic and non-pathogenic Theileria species. These often occur naturally as mixed infections in buffalo. Although the benign and mildly pathogenic forms do not have any significant economic importance, their presence could complicate the interpretation of diagnostic test results aimed at the specific diagnosis of the...

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