Development of a real-time polymerase chain reaction assay for single nucleotide polymorphism genotyping codons 136, 154, and 171 of the prnp gene and application to Brazilian sheep herds.

Abstract excerpt

Scrapie is a transmissible spongiform encephalopathy of sheep and goats and is associated with the deposition of an abnormal isoform of prion protein (PrP(sc)). This isoform presents an altered conformation that leads to its aggregation in the host's central nervous and lymphoreticular systems. A predisposition to the prion-agent infection can be influenced by specific genotypes that are related to polymorphisms...

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