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Genomic Sequence Variability of the Prion Gene (PRNP) in Korean Cattle
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 Title & Authors
Genomic Sequence Variability of the Prion Gene (PRNP) in Korean Cattle
Choi, Sang-Haeng; Chae, Sung-Hwa; Choi, Han-Ho; Kim, Jeong-Seon; Kang, Bo-Ra; Yeo, Jung-Sou; Choi, Inho; Lee, Yong-Seok; Choy, Yun-Ho; Park, Hong-Seog;
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 Abstract
In this study, we have investigated sequence variants in the PRNP gene of 20 individuals belonging to the Korean cattle, and have analyzed and compared genetic features between varieties of other cattle breeds. Of the 73 sequence variants identified in Korean cattle, 27 were identified for the first time in this study, whereas 46 of these polymorphisms had previously been isolated. We discovered a 2.6 kb SNP hot spot region localized on the putative promoter region of the PRNP gene. Furthermore, the copy numbers of the octapeptide repeat (24 bp indel) which is detected on the coding sequence (CDS) of the PRNP exhibited a completely homozygous 6/6 genotype which is dominant in other cattle breeds. We also characterized a new 19 bp/10 bp allele located on the putative promoter region of the PRNP gene, which represented 0.71 in allele frequency. To the best of our knowledge, this report is the first to address polymorphisms of the PRNP gene structure in Korean cattle in which BSE has yet to be discovered. Therefore, our findings may prove useful with regard to our current understanding of allelic diversity in bovine species, and may also provide new insights into the genetic factors associated with susceptibility or resistance to BSE.
 Keywords
PRNP;SNP;BSE;Indel;Korean Cattle;
 Language
English
 Cited by
1.
Effect of Spinal Cord Removal before or after Splitting and Washing on CNST Decontamination of Beef Carcasses,;;;

Asian-Australasian Journal of Animal Sciences, 2007. vol.20. 11, pp.1770-1776 crossref(new window)
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