Molecular characterization of full-length MLV-related endogenous retrovirus ChiRV1 from the chicken, Gallus gallus

被引:10
|
作者
Borysenko, Leonid [1 ]
Stepanets, Volodymir [2 ]
Rynditch, Alla V. [1 ]
机构
[1] Natl Acad Sci Ukraine, Dept Funct Genom, Inst Mol Biol & Genet, UA-03143 Kiev, Ukraine
[2] Acad Sci Czech Republic, Inst Mol Genet, Dept Cellular & Viral Genet, CR-16637 Prague, Czech Republic
关键词
retrovirus; chicken endogenous; Avian; Murine leukemia virus; gammaretrovirus;
D O I
10.1016/j.virol.2008.03.006
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
We report the first full-length sequence of an endogenous retrovirus from the genome of domestic chicken, that is not related to the Avian leukemia viruses (ALV). This retrovirus, designated ChiRV1, clusters with Murine leukemia virus (MLV)-related retroviruses and hence is the first complete gammaretrovirus from the genome of a bird. Nevertheless it is not related to exogenous MLV-related retroviruses infecting chicken. The provirus is 9133 bp long and contains 90%-identical LTRs as well as reading frames for the gag, pol and env genes, interrupted by in-frame stop codons. Expression analysis showed that ChiRV1 is a transcribed provirus. Screening of the chicken genome database revealed 100 ChiRV1 -related sequences that are grouped into three classes based upon LTR alignment and subsequent phylogenetic analysis. (c) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码:199 / 204
页数:6
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