ICTV 病毒分类学简介：
ICTV Virus Taxonomy Profile: .
机构信息
Istituto per la Protezione Sostenibile delle Piante, Consiglio Nazionale delle Ricerche, Bari, 70126, Italy.
Molecular Plant Pathology Laboratory, US Department of Agriculture, Agricultural Research Service, Beltsville, MD 20705, USA.
出版信息
J Gen Virol. 2021 Feb;102(2). doi: 10.1099/jgv.0.001543.
Members of the family have single-stranded circular RNA genomes that adopt a rod-like or a quasi-rod-like conformation. These genomes contain a central conserved region that is involved in replication in the nucleus through an asymmetric RNA-RNA rolling-circle mechanism. Members of the family lack the hammerhead ribozymes that are typical of viroids classified in the family . The family includes the genera , , , and , with >25 species. This is a summary of the ICTV Report on the family , which is available at ictv.global/report/pospiviroidae.
该科病毒的单链环状 RNA 基因组呈棒状或准棒状结构。这些基因组含有一个中央保守区，通过非对称 RNA-RNA 滚环复制机制在核内进行复制。该科病毒缺乏通常存在于归类于该科的类病毒中的锤头核酶。科包括 、 、 、 属，共有超过 25 个种。这是 ICTV 关于该科的报告摘要，可在 ictv.global/report/pospiviroidae 上查阅。
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