Isolation of Theileria parasites from African buffalo (Syncerus caffer) and characterization with anti-schizont monoclonal antibodies

Antigenic differences between intra-lymphocytic theilerial parasites isolated from the blood of 18 African buffalo and grown in vitro were assessed with anti-schizont monoclonal antibodies (mAbs). There was marked antigenic diversity both between isolates from different buffalo and between isolates...

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Bibliographic Details
Published in:Parasitology 1987-06, Vol.94 (3), p.413-423
Main Authors: Conrad, P. A., Stagg, D. A., Grootenhuis, J. G., Irvin, A. D., Newson, J., Njamunggeh, R. E. G., Rossiter, P. B., Young, A. S.
Format: Article
Language:English
Subjects:
Animals
Antibodies, Monoclonal - immunology
Antigens, Protozoan - analysis
Antigens, Protozoan - immunology
Apicomplexa - immunology
Apicomplexa - isolation & purification
Buffaloes - parasitology
Cell Line
characterization
disease transmission
isolation
monoclonal antibodies
Rhipicephalus appendiculatus
synceros caffer
Syncerus caffer
Theileria
Theileriasis - parasitology
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Summary:Antigenic differences between intra-lymphocytic theilerial parasites isolated from the blood of 18 African buffalo and grown in vitro were assessed with anti-schizont monoclonal antibodies (mAbs). There was marked antigenic diversity both between isolates from different buffalo and between isolates taken at different times from the same buffalo. Many of the isolates from both wild and captive buffalo appeared to consist of mixed parasite populations. Some isolates were found by limiting dilution cloning and mAb testing to contain at least 3 or 4 distinct populations of Theileria. Once cloned, Theileria-infected lymphoblastoid cell lines retained their mAb profiles during prolonged in vitro cultivation and, when recloned, the subclones had the same mAb profile as their parent clone. The implications of these results for further studies on buffalo-derived theilerial parasites are discussed.
ISSN:0031-1820
1469-8161
DOI:10.1017/S0031182000055761