PRNP alleles

Ovine prion protein genotype frequencies in northwestern China

C. - L. Zhao, Wu, R., Liu, L., Li, F. - D., Zhang, X. - L., Wang, C., Wang, F., Diao, X. - L., Guan, H. - W., Wang, X., and Zhou, L., Ovine prion protein genotype frequencies in northwestern China, vol. 11, pp. 1671-1681, 2012.

Anti-scrapie breeding programs have been initiated to screen for scrapie-resistant sheep based on ovine prion protein gene (PRNP) genotypes at codons 136, 154 and 171 in many countries, especially European Union member states. However, investigation of sheep PRNP genotypes is limited in China, despite the large number of sheep breeds. We analyzed 432 sheep of five different breeds from farms in northwestern China, using PCR-single-strand conformational polymorphism analysis (PCR-SSCP); the corresponding haplotypes of different PRNP alleles were cloned.

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