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  • Title: Monoclonal antibodies against surface antigens of Pasteurella multocida strain P-1059.
    Author: Khosraviani M, Nunoya T, Matsumoto M.
    Journal: Avian Dis; 1990; 34(1):163-73. PubMed ID: 2181995.
    Abstract:
    Four monoclonal antibodies (MAbs) were developed against serotype 3:A, P-1059 strain of Pasteurella multocida. Enzyme-linked immunosorbent assays were used to screen those hybridomas producing antibodies to either a surface protective (2.5 S) or lipopolysaccharide (LPS) antigen. MAbs 6EE11, D7H10, E11E3, and C11H2 were positive against 2.5 S antigen, and two of them, E11E3 and C11H2, were positive for the LPS antigen. MAbs 6EE11 and D7H10 reacted with a major protein band of molecular weight of 35,500, whereas E11E3 and C11H2 recognized a band with a molecular weight of 12,500 of the 2.5 S antigen. Treatment of the 2.5 S antigen with periodic acid abolished epitopes reacting with E11E3 but not with 6EE11. MAb 6EE11 did not recognize any band in Western blot after proteinase K treatment of the 2.5 S antigen, whereas antibody activity of E11E3 did not change. MAb 6EE11 reacted with serotypes 3, 4, 9, 10, 11, 12, and with M-9 strains in the immunofluorescence test. MAb E11E3 was positive only with serotype 3 or 10 strains, excluding M-9 strain. Electron microscopic studies with P-1059 strain indicated that antigens binding to 6EE11 and/or E11E3 were present in the capsule.
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