Home Acta Virologica 2003 Acta Virologica Vol.47, p.195-198, 2003

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Quarterly, 72-88 pp. per issue
Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

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Acta Virologica Vol.47, p.195-198, 2003

Title: FIRST CONFIRMED SHEEP SCRAPIE WITH A136R154Q171 GENOTYPE IN SLOVAKIA
Author: M. MATÚSKOVÁ, N. CSÓKOVÁ, P. FILIPČÍK, E. HANUSOVSKÁ, J. BÍRES, R. CABADAJ, P. KONTSEK, M. NOVÁK

Abstract: The first confirmed evidence of scrapie in Slovakia was demonstrated in one sheep of the autochthonous Merino breed from the southeastern part of the country. The reported scrapie was diagnosed during compulsory transmissible spongiform encephalitis (TSE) screening of sheep over 9 months of age assigned for consumption. The positive ewe was 5-year-old, which did not show any clinical signs of scrapie. The presence of the proteinase-resistant prion protein (PrP) in brain was proved independently by two laboratories using two different immunochemical screening systems, namely the Prionics Check (Western blot analysis) and Enfer TSE enzyme-linked immunosorbent assay (ELISA). In addition, the genotyping analysis of PrP gene demonstrated the presence of PrP genotype from the high risk group R4. The affected sheep was homozygous for the allele PrPARQ (ARQ/ARQ) coding for alanine (A), arginine (R) and glutamine (Q) at three most relevant codons (136, 154 and 171, respectively. The healthy sister of the positive ewe was heterozygous in the PrP locus and carried alleles ARQ/ARR.

Keywords: scrapie; prion; PrP gene; polymorphism; Slovakia
Year: 2003, Volume: 47, Issue: Page From: 195, Page To: 198



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