Abstract
Two peptides corresponding to putative protective regions located at the N- and C-termini of the host-protective T. ovis recombinant antigen, 45W, were synthesized. Antibodies raised against 45W and 45WB/X, a truncated form of 45W, were found to react strongly with the N-terminal peptide. When sheep were immunised with each peptide alone, the N-terminal peptide was found to be highly immunogenic, whereas the C-terminal peptide required conjugation to a carrier protein to be immunogenic. Both these immunogens elicited antibodies that cross-reacted with the parent protein; however, only antibodies directed toward the N-terminal peptide were able to bind antigens from the T. ovis oncosphere. Significant protection against challenge infection was not provided by any of the peptide immunogens used.
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Dadley-Moore, D.L., Lightowlers, M.W., Gauci, C.G. et al. Synthetic peptides induce antibodies in sheep against Taenia ovis. Letters in Peptide Science 6, 303–312 (1999). https://doi.org/10.1023/A:1008942132205
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DOI: https://doi.org/10.1023/A:1008942132205