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Abstract
Susceptibility to scrapie in goats is influenced by polymorphisms of the prion protein (PRNP) gene. The aim of this study was to identify PRNP gene polymorphisms in a total of 356 scrapie disease-free goats from ten Turkish native breeds. Eighteen single nucleotide polymorphisms were detected in the caprine PRNP open reading frame. Ten previously described amino acid substitutions (I142M, H143R, N146S N146D, R151H, R154H, P168Q, R211Q, Q222K and P240S) and two novel dimorphisms, G134E and Q163P, were identified. The strongest association between caprine PRNP and relative resistance to scrapie disease has been reported previously for polymorphisms at codons 146 (S/D) and 222 (K). In the present study, these three PrP variants were relatively rare with 6.3%. This is the first report on PRNP gene variation in Turkish native goat breeds and our knowledge of these polymorphisms will assist goat breeding programs to reduce the risk of scrapie.
Original language | English |
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Pages (from-to) | 299-305 |
Journal | Journal of Genetics |
Volume | 96 |
Issue number | 2 |
Early online date | 9 May 2017 |
DOIs | |
Publication status | Published - Jun 2017 |
Keywords / Materials (for Non-textual outputs)
- Scrapie
- PRNP
- polymorphism
- Turkish native goat breeds
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Livestock neurobiology
Gill, A., Barron, R., Beard, P., Brunton, P., Goldmann, W., Hume, D., Hunter, N., Lawrence, A., Mabbott, N., Manson, J., McColl, B., Meddle, S. & Wishart, T.
1/04/12 → 31/03/17
Project: Research