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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Effects of haemagglutination (lectin) inhibitory sugars on Theileria parva infection in Rhipicephalus appendiculatus
International Journal for Parasitology, Volume 25, No. 1, Year 1995
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Description
We have previously described the presence of haemagglutinins in tissues of the tick, Rhipicephalus appendiculatus and determined their sugar specificities by inhibition experiments. In this study, haemagglutination inhibitory sugars are shown to have an effect in vivo on the abundance of Theileria parva infected salivary gland acini in Rhipicephalus appendiculatus. A significant increase (P < 0.05) was observed in T. parva acinar infection rates in the salivary glands of R. appendiculatus fed on ears of rabbits infused with melibiose and raffinose. In contrast, mannose and turanose (non-haemagglutination inhibitory sugars) did not cause elevation of T. parva acinar infection rates. The effect of melibiose in elevating acinar infections was observed when used only during T. parva maturation in the salivary glands but not during parasite pick-up from an infected bovine host. Stabilates produced from ticks with elevated acinar infections did not differ from control stabilates in infectivity to cattle, by comparison of prepatent periods to pyrexia, or parasitosis, or in the severity of reactions. © 1995.
Authors & Co-Authors
Kamwendo, S. P.
Malawi, Lilongwe
Central Veterinary Laboratory
Musisi, F. L.
United Kingdom, Liverpool
Liverpool School of Tropical Medicine
Trees, Alexander J.
Malawi, Lilongwe
Fao Representative
Molyneux, David Hurst
Malawi, Lilongwe
Fao Representative
Statistics
Citations: 10
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1016/0020-7519(94)00072-V
ISSN:
00207519