Figure 3. Differences in molecular mass observed between protease-resistant prion protein in cattle bovine spongiform encephalopathy (BSE) and usual transmissible spongiform encephalopathy cases in small ruminants. Differential molecular mass was obtained by subtracting the molecular mass of the unglycosylated band of the cattle BSE control to that of the natural small ruminant isolate from an immunoblot detected by Bar233 antibody.
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