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首页> 外文期刊>Journal of Virology >In vitro transcription of the avian oncornavirus genome by the RNA-directed DNA polymerase: effect of actinomycin D on the extent of transcription.
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In vitro transcription of the avian oncornavirus genome by the RNA-directed DNA polymerase: effect of actinomycin D on the extent of transcription.

机译:通过RNA定向的DNA聚合酶对禽类血管基因组的体外转录:放线霉素D对转录程度的影响。

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The minus-strand component of double-stranded DNA synthesized by the avian oncornavirus RNA-directed DNA polymerase in vitro represents as much of the nucleotide sequences of the viral genome as single-stranded DNA synthesized in the presence of actinomycin D. Since actinomycin D inhibits doublestranded DNA formation, we propose that the principal effect of the drug on RNA-directed DNA synthesis is the reduction in synthesis of plus-strand DNA, thereby allowing single-stranded minus-strand DNA to accumulate. This effect, rather than increasing the extent of genome transcription, is responsible for the more uniform nature of the DNA transcripts synthesized in the presence of actinomycin D.
机译:在体外,由禽类上的双链DNA的双链DNA的减去分量代表了病毒基因组的大部分核苷酸序列,因为在放线霉素D存在下合成的单链DNA。由于放线霉素D抑制双层DNA形成,我们提出了药物对RNA定向的DNA合成的主要作用是加股DNA的合成还原,从而允许单链的负链DNA积聚。这种效果,而不是提高基因组转录的程度,负责在放线蛋白D存在下合成的DNA转录物的更均匀性。

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