positive-strand DNA 正股DNA
positive-strand rna 正链RNA
positive strand rna 正链RNA
positive-strand rna viruses 正链rna病毒
positive strand phage 正链噬菌体
All the 6 genotypes (9 strains) of measles virus showed DNA positive strand, it means this RT-PCR method is sensitive for measles viruses.
结果9株6种基因型麻疹病毒RT PCR均呈现阳性条带，说明本研究采用的RT PCR方法敏感。
The viruses of Picornaviridae are positive-strand RNA viruses, the genome organization and mechanisms of gene expression belong to highly conserved among them.
小RNA病毒科属于正链RNA病毒，该科各属病毒基因组结构和基因表达机制具有保守性。
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