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Avian reovirus proteins associated with neutralization of virus infectivity
R Wickramasinghe1, J Meanger, C E Enriquez
1School of Veterinary Studies, Murdoch University, Australia.
Abstract:
Monoclonal antibodies against two virion proteins of the RAM-1 strain of avian reovirus neutralized virus infectivity; antibody against a 124-kDa (lambda B) protein caused broadly specific neutralization and antibody against a 39-kDa (sigma C) protein caused neutralization of greater type-specificity. The neutralizing activity of the monoclonals also exhibited host cell specificity: antibodies against the lambda B protein inhibited virus infectivity in Vero cells and not chicken kidney cells; one monoclonal antibody against the sigma C protein neutralized virus in only chicken kidney cells, whereas two other monoclonals against the sigma C protein neutralized virus in both Vero and chicken kidney cells but had greater neutralizing activity in Vero cells.
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