文献类型： 外文期刊
作者： Dai Z.;Wang H.;Wu H.;Zhang Q.;Ji L.;Wang X.;Shen Q.;Yang S.;Ma X.;Shan T.;Zhang W.
作者机构：
关键词： Parvoviridae;dark matter;metagenomic;wild bird
期刊名称： GigaScience
ISSN： 2047-217X
年卷期： 2022 年 12 卷
页码：
收录情况： SCIE（2023版）
摘要： With the development of viral metagenomics and next-generation sequencing technology, more and more novel parvoviruses have been identified in recent years, including even entirely new lineages. The Parvoviridae family includes a different group of viruses that can infect a wide variety of animals. In this study, systematic analysis was performed to identify the "dark matter" (datasets that cannot be easily attributed to known viruses) of parvoviruses and to explore their genetic diversity from wild birds' cloacal swab samples. We have tentatively defined this parvovirus "dark matter" as a highly divergent lineage in the Parvoviridae family. All parvoviruses showed several characteristics, including 2 major protein-coding genes and similar genome lengths. Moreover, we observed that the novel parvo-like viruses share similar genome organizations to most viruses in Parvoviridae but could not clustered with the established subfamilies in phylogenetic analysis. We also found some new members associated with the Bidnaviridae family, which may be derived from parvovirus. This suggests that systematic analysis of domestic and wild animal samples is necessary to explore the genetic diversity of parvoviruses and to mine for more of this potential dark matter. © The Author(s) 2023. Published by Oxford University Press GigaScience.
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