生物
核糖核酸
病毒分类
RNA病毒
遗传多样性
病毒
RNA依赖性RNA聚合酶
GenBank公司
RNA聚合酶
遗传学
计算生物学
病毒学
基因
基因组
人口
人口学
社会学
作者
Ziyu Tian,Tao Hu,Edward C. Holmes,Jingkai Ji,Weifeng Shi
摘要
RNA viruses are characterized by a broad host range and high levels of genetic diversity. Despite a recent expansion in the known virosphere following metagenomic sequencing, our knowledge of the species rank genetic diversity of RNA viruses, and how often they are misassigned and misclassified, is limited. We performed a clustering analysis of 7801 RNA-directed RNA polymerase (RdRp) sequences representing 1897 established RNA virus species. From this, we identified substantial genetic divergence within some virus species and inconsistency in RNA virus assignment between the GenBank database and The International Committee on Taxonomy of Viruses (ICTV). In particular, 27.57% virus species comprised multiple virus operational taxonomic units (vOTUs), including
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