首页> 美国卫生研究院文献>Journal of Virology >Effect of 5-methylcytidine on virus production in avian sarcoma virus-infected chicken embryo cells.
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Effect of 5-methylcytidine on virus production in avian sarcoma virus-infected chicken embryo cells.

机译:5-甲基胞苷对禽肉瘤病毒感染的鸡胚细胞中病毒产生的影响。

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摘要

5-Methylcytidine (5mC) is a minor constituent of RNA in procaryotes as well as eucaryotes. The function of this modified nucleoside is not known. We studied the effect of this compound on virus production in avian sarcoma virus-infected chicken embryo fibroblasts. We found, surprisingly, that virus release into the medium was severely reduced in cultures treated with 5mC. In contrast to the effect of 5mC on virus release, intracellular levels of virus-specific RNA transcripts as well as the proteins were slightly elevated. Analysis of intracellular RNA transcripts on velocity gradients and virus-specific proteins in polyacrylamide gels did not reveal any qualitative differences in 5mC-treated cells compared to cytidine-treated cells. From these results we conclude that the effect of 5mC is probably at the level of virus maturation or packaging.
机译:5-甲基胞苷(5mC)是原核生物和真核生物中RNA的次要成分。该修饰的核苷的功能尚不清楚。我们研究了该化合物对禽肉瘤病毒感染的鸡胚成纤维细胞中病毒产生的影响。令人惊讶地,我们发现,在用5mC处理的培养物中,病毒向培养基中的释放显着减少。与5mC对病毒释放的影响相反,病毒特异性RNA转录本以及蛋白质的细胞内水平略有升高。与胞苷处理的细胞相比,对聚丙烯酰胺凝胶中速度梯度和病毒特异性蛋白质的细胞内RNA转录物的分析未发现在5mC处理的细胞中有任何定性差异。从这些结果可以得出结论,5mC的影响可能在病毒成熟或包装的水平上。

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