Abstract
Six hybridoma lines producing monoclonal antibodies (MAbs) against Moraxella bovis were established from fusions between the SP2/0 myeloma cells and BALB/c mice splenocytes. Three antibodies were of the IgG1 isotype, two were IgG2a, and one was IgG2b. The specificity of the antibodies was determined by indirect enzyme-linked immunosorbent assay (ELISA) using whole cells of M. bovis and of other Gram-negative bacteria, and lipopolysacharide (LPS) from M. bovis JUR2 and E. coli as antigens. Ascitic fluid produced by the six hybridoma lines inhibited hemagglutination by M. bovis GF9. One MAb (35F) reacted specifically with purified M. bovis LPS in the ELISA test. The MAb panel detected heterogeneity among the isolates recovered from different geographical regions.
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