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Evidence of immunoglobulin g 1 and immunoglobulin g 2 antibodies in capivara hydrochoerus hydrochaeris

Cellular & Molecular Biology (Oxford) 31(2): 125-130
Evidence of immunoglobulin g 1 and immunoglobulin g 2 antibodies in capivara hydrochoerus hydrochaeris
Two antibody populations present in immunized capivara serum were described. They show a slow and fast mobility towards the anode in agar gel immunoelectrophoresis and are easily separated in DEAE-cellulose chromatography. In Sephadex gel filtration, these 2 globulins as compared to a human myeloma IgG1 protein and other IgG markers had a typical behavior of 7S IgG immunoglobulins. Their specificity was confirmed by affinity chromatography, and the reactivity of the antibodies eluted was checked by immunodiffusion against the antigen in agar gel plates. In Ouchterlony analysis, an antiserum specific to human IgG .gamma.-chains showed a cross-reaction with both slow and fast mobility capivara Ig populations. Apparently, there is a fast 7S IgG1 and a slow 7S IgG2 immunoglobulin system in capivara immune serum.

Accession: 005411490

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