Characterization of an internal ribosomal entry segment within the 5' leader of avian reticuloendotheliosis virus type A RNA and development of novel MLV-REV-based retroviral vectors.
Characterization of an internal ribosomal entry segment within the 5' leader of avian reticuloendotheliosis virus type A RNA and development of novel MLV-REV-based retroviral vectors.
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禽网状内皮增生病毒 A 型 RNA 5 前导序列内内部核糖体进入片段的表征以及新型基于 MLV-REV 的逆转录病毒载体的开发。
DOI:
10.1089/hum.1997.8.16-1855
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发表时间:
1997
影响因子:
4.2
通讯作者:
J. Darlix
中科院分区:
文献类型:
--
作者:
M. López;C. Gabus;J. Darlix
The murine leukemia virus (MLV)-related type C viruses constitute a major class of retroviruses that includes numerous endogenous and exogenous mammalian viruses and the related avian spleen necrosis virus (SNV). The MLV-related viruses possess a long and multifunctional 5' untranslated leader involved in key steps of the viral life cycle--splicing, translation, RNA dimerization, encapsidation, and reverse transcription. Recent studies have shown that the 5' leader of Friend murine leukemia virus and Moloney murine leukemia virus can direct cap independent translation of gag precursor proteins (Berlioz et al., 1995; Vagner et al., 1995b). These data, together with structural homology studies (Koning et al., 1992), prompted us to undertake a search for new internal ribosome entry segment (IRES) of retroviral origin. Here we describe an IRES element within the 5' leader of avian reticuloendotheliosis virus type A (REV-A) genomic RNA. Data show that the REV-A 5' IRES element maps downstream of the packaging/dimerization (E/DLS) sequence (Watanabe and Temin, 1982; Darlix et al., 1992) and the minimal IRES sequence appears to be within a 129 nt fragment (nucleotides 452-580) of the 5' leader, immediately upstream of the gag AUG codon. The REV-A IRES has been successfully utilized in the construction of novel high titer MLV-based retroviral vectors, containing one or more IRES elements of retroviral origin. These retroviral constructs, which represent a starting point for the design of novel vectors suitable for gene therapy, are also of interest as a model system of internal translation initiation and its possible regulation during development, cancer, or virus infection.
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影响因子:
10.5
作者:
Oh,SK;Scott,MP;Sarnow,P
通讯作者:
Sarnow,P
DOI:
10.3109/10409239209082567
发表时间:
1992
影响因子:
6.5
作者:
M. Kozak
通讯作者:
M. Kozak
DOI:
10.1016/s0021-9258(18)33352-0
发表时间:
1982-12
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
D. Etchison;Susan;Milburn;Isaac Ederys;Nahum Sonenberggl;Hershey
通讯作者:
D. Etchison;Susan;Milburn;Isaac Ederys;Nahum Sonenberggl;Hershey
影响因子:
3.5
作者:
Cigan,AM;Donahue,TF
通讯作者:
Donahue,TF
影响因子:
5.3
作者:
KOZAK, M
通讯作者:
KOZAK, M