Prion Protein Gene Polymorphisms in Turkish Native Goat Breeds

Hasan Meydan, Erkan Pehlivan, Mustafa Muhip Özkan, Mehmet Ali Yildiz, Wilfred Goldmann

Research output: Contribution to journalArticlepeer-review

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 languageEnglish
Pages (from-to)299-305
JournalJournal of Genetics
Volume96
Issue number2
Early online date9 May 2017
DOIs
Publication statusPublished - Jun 2017

Keywords / Materials (for Non-textual outputs)

  • Scrapie
  • PRNP
  • polymorphism
  • Turkish native goat breeds

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