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。
The viruses of Picornaviridae are positive-strand RNA viruses, the genome organization and mechanisms of gene expression belong to highly conserved among them.
鹅细小病毒基因组含有两个主要开放性阅读框(ORF)，分别编码非结构蛋白和结构蛋白。
The genomes of GPV contain two main open reading frame (ORF), encoding structural proteins and non-structural proteins. VP3 protein is a mainly structural proteins and highly conservative.
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