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RNA synthesis in cells infected with herpes simplex virus. X. Properties of viral symmetric transcripts and of double-stranded RNA prepared from them.

机译:用疱疹病毒感染细胞中的RNA合成。 X.病毒对称转录物的性质和由它们制备的双链RNA。

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HEp-2 cells infected with herpes simplex 1 virus contain RNA transcripts capable of forming double-stranded (DS) RNA on annealing. The properties of purified DS RNA were as follows (i) DS RNA is resistant to depolymerization by RNase A or T-1 in 2 times 0.15 M NaCl, plus 0.015 M sodium citrate (SSC) but not 0.1 times SSC or following thermal denaturation. (ii) The Tm of the viral DS RNA was 100 C in 0.1 times SSC. (iii) Undenatured DS RNA does not hybridize with viral DNA: upon denaturation, excess unlabeled RNA drove 50 to 55% of labeled DNA into DNA-RNA hybrid. The kinetics of hybridization indicate that the DS RNA consists of at least two populations of transcripts arising from 29 and 26% of viral DNA and differing 40-fold in molar concentration.
机译:用疱疹1病毒感染的HEP-2细胞含有能够在退火上形成双链(DS)RNA的RNA转录物。纯化的DSRNA的性质如下(I)DS RNA通过RNase A或T-1抵抗2次0.15M NaCl,加0.015μm柠檬酸钠(SSC),但不为0.1倍SSC或在热变性之后。 (ii)病毒DSRNA的TM在0.1倍SSC中为100℃。 (iii)未表明的DS RNA与病毒DNA不杂交:在变性时,过量的未标记的RNA将50至55%标记为DNA-RNA杂交物。杂交的动力学表明,DSRNA由29和26%的病人DNA引起的至少两个转录物群体组成,并且以摩尔浓度不同40倍。

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