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通过碱性氯化铯密度沉降从鸡DNA中分离与禽成髓细胞瘤病毒RNA互补的DNA序列。

Separation of DNA sequences complementary to the RNA of avian myeloblastosis virus from chicken DNA by alkaline cesium chloride density sedimentation.

作者信息

Shoyab M, Baluda M A

出版信息

J Virol. 1973 Sep;12(3):534-7. doi: 10.1128/JVI.12.3.534-537.1973.

Abstract

Density gradient sedimentation in alkaline cesium chloride of DNA from normal chicken embryos or leukemic myeloblasts fragmented to a size of 13S revealed that the DNA sequences complementary to 70S avian myeloblastosis virus RNA sedimented in the high guanine plus cytosine region ahead of the main peak of cellular DNA. When the DNA was fragmented into pieces of 6.6S there was a broader distribution of the DNA sequences complementary to the viral RNA. This technique could be employed as a step towards the isolation of DNA copies of the entire viral RNA genome from the mass of host cellular DNA.

摘要

将来自正常鸡胚胎或白血病成髓细胞的DNA片段化至13S大小后,在碱性氯化铯中进行密度梯度沉降分析,结果显示,与70S禽成髓细胞瘤病毒RNA互补的DNA序列沉降在细胞DNA主峰之前的高鸟嘌呤加胞嘧啶区域。当DNA片段化至6.6S时,与病毒RNA互补的DNA序列分布更为广泛。该技术可作为从大量宿主细胞DNA中分离整个病毒RNA基因组DNA拷贝的一个步骤。

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SEDIMENTATION STUDIES OF THE SIZE AND SHAPE OF DNA.DNA大小与形状的沉降研究
J Mol Biol. 1965 Feb;11:373-90. doi: 10.1016/s0022-2836(65)80064-x.
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Heterogeneity of murine leukemia virus in vitro DNA; detection of viral DNA in mammalian cells.
Science. 1971 Jun 25;172(3990):1353-5. doi: 10.1126/science.172.3990.1353.

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