Abstract
Bovine herpesvirus (infectious bovine rhinotracheitis virus)-infected cell antigens were solubilized with Nonidet P-40. The crude antigen extract was separated by reaction with bovine hyperimmune serum in line immunoelectrophoresis; individual immunoprecipitates were used to immunize rabbits. Rabbit sera possessing serum neutralizing activity were analyzed by reaction with crude antigen extract in immunoprecipitation sodium dodecylsulfate polyacrylamide gel electrophoresis (SDS-PAGE) and Western blot. Four virus-specified glycopeptides, with molecular weights of 69–75K, 77–81K, 82–92K and 108–115K, appeared to be involved in inducing serum neutralizing antibody.
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