Amino acid sequence of the Amur tiger prion protein

被引:3
|
作者
Wu, Changde
Pang, Wanyong
Zhao, Deming [1 ]
机构
[1] China Agr Univ, Coll Vet Med, Natl Anim Transmissible Spongiform Encephalopathy, Beijing 100094, Peoples R China
[2] Shenyang Agr Univ, Coll Anim Sci & Vet Med, Liaoning 110161, Peoples R China
[3] Univ Coll Dublin, Fac Vet Med, Dublin 4, Ireland
基金
中国国家自然科学基金;
关键词
Amur tiger; prion protein gene; polymorphisms; TSE; species barrier;
D O I
10.1016/j.virusres.2006.05.001
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Prion diseases are fatal neurodegenerative disorders in human and animal associated with conformational conversion of a cellular prion protein (PrPC) into the pathologic isoform (PrPSc). Various data indicate that the polymorphisms within the open reading frame (ORF) of PrP are associated with the susceptibility and control the species barrier in prion diseases. In the present study, partial Prnp from 25 Amur tigers (tPrnp) were cloned and screened for polymorphisms. Four single nucleotide polymorphisms (T423C, A501G, C511A, A610G) were found; the C511A and A610G nucleotide substitutions resulted in the amino acid changes Lysine171Glutamine and Alanine204Threoine, respectively. The tPrnp amino acid sequence is similar to house cat (Felis catus AF003087) and sheep, but differs significantly from other two cat Prnp sequences that were previousely deposited in GenBank. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:93 / 96
页数:4
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