Cap-independent translation in adenovirus infected cells.

Cap-independent translation in adenovirus infected cells.
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腺病毒感染细胞中的帽独立翻译。

DOI:
10.1007/978-3-642-79663-0_6
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发表时间:
1995
影响因子:
--
通讯作者:
Schneider,RJ
Schneider,RJ
中科院分区:
医学3区
文献类型:
--
作者:
Schneider,RJ

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腺病毒(Ads)是感染人类、动物和鸟类的DNA病毒,具有不同的血清型,表现出不同的组织趋向性(Beladi1972)。Ad最初被分离是因为感染导致细胞病变效应和基本细胞代谢的改变。Ad基因组被暂时组织成早期和晚期转录单位,分别在病毒DNA复制开始之前或开始时被激活。六个早期转录单位编码了病毒复制和感染细胞转化所需的产物。区域E1A和E1B是其他病毒转录单位的细胞转化和反激活所必需的(FlintandShenk1989)。区域E2A和E2B是腺病毒DNA复制所必需的。E3和E4区是多种早期病毒功能所必需的,包括组织相容性抗原表达的抑制(woldandgooding1991),细胞和病毒mrna的转录反激活和核向胞质转运的调节(schneiderandzhang1993)。早期转录单位的产物仅占细胞mRNA和蛋白质合成的很小比例,并且没有证据表明在Ad生命周期的早期部分有选择性的病毒翻译或抑制细胞蛋白质合成。
Adenoviruses (Ads) are DNA viruses that infect humans, animals and birds, with different serotypes displaying different tissue tropisms (Beladi1972). Ad was originally isolated because infection results in cytopathic effects and alterations in basic cellular metabolism. The Ad genome is temporally organized into early and late transcription units that are activated before or with the onset of viral DNA replication, respectively. Six early transcription units encode products required for productive viral replication and transformation of the infected cell. Regions E1A and E1B are required for cellular transformation and transactivation of the other viral transcription units (FlintandShenk1989). Regions E2A and E2B are required for adenoviral DNA replication. Regions E3 and E4 are required for a variety of early viral functions, including suppression of histocompatability antigen expression (reviewed inWoldandGooding1991), transcriptional transactivation and regulation of nuclear to cytoplasmic transport of cellular and viral mRNAs (reviewed inSchneiderandZhang1993). The products of the early transcription units comprise only a very minor proportion of cellular mRNA and protein synthesis, and there is no evidence for selective viral translation or inhibition of cell protein synthesis during the early part of the Ad life cycle.
人蛋白质合成起始因子 4E 的 48 S 起始复合物的体外合成、磷酸化和定位。
DOI: --
发表时间: 1989
期刊: The Journal of biological chemistry
影响因子: --
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发表时间: 1986
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发表时间: 1993
期刊: Acta virologica
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B. Thimmapaya;G. Ghadge;P. Rajan;S. Swaminathan
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DOI: 10.1073/pnas.87.18.7115
发表时间: 1990-09
影响因子: 11.1
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通讯作者: J. Huang;R. Schneider
DOI: --
发表时间: 1991
期刊: The Journal of biological chemistry
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