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首页> 外文期刊>Journal of Virology >In vitro transcription of theavian oncornavirus genome by the RNA-directed DNA polymerase: analysis of DNA transcripts synthesized in reconstructed enzymatic reactions.
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In vitro transcription of theavian oncornavirus genome by the RNA-directed DNA polymerase: analysis of DNA transcripts synthesized in reconstructed enzymatic reactions.

机译:通过RNA定向的DNA聚合酶在体外转录Theavian Oncornavirus基因组:在重建的酶促反应中合成的DNA转录物分析。

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We have analyzed the DNA products synthesized in vitro in reconstructed reactions containing purified avian oncornavirus genome RNA and RNA-directed DNA polymerase. The results of these studies indicate that: (i) the initial DNA product synthesized on either 70S RNA or reconstituted 35S RNA-tRNAtrp template - primer complexes in the presence of low concentrations of deoxynucleoside triphosphates consists of several discrete size classes, none of which exceed 200 nucleotides in length; (ii) large DNA transcripts (about 2,000 nucleotides) can be synthesized on both 70S RNA and the 35S RNA - tRNAtrp complex by increasing the deoxynucleoside triphosphate concentration; and (iii) DNA synthesized by detergent-disrupted virus is considerably longer than DNA synthesized in reconstructed reactions.
机译:我们已经分析了在含有纯化的禽血管基因组RNA和RNA定向的DNA聚合酶的重建反应中体外合成的DNA产品。这些研究的结果表明:(i)在70秒RNA或重构的35s RNA-TRNATRP模板 - 引物在低浓度的脱氧核苷三磷酸盐中合成的初始DNA产物由几个离散尺寸的等级组成,其中没有长度为200个核苷酸; (ii)通过增加脱氧核苷三磷酸浓度,可以在70s RNA和35s RNA-Trnatrp复合物上合成大DNA转录物(约2,000个核苷酸); (III)通过洗涤剂破坏的病毒合成的DNA显着比重建反应中合成的DNA长。

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