期刊
PLANT JOURNAL
卷 108, 期 6, 页码 1786-1797出版社
WILEY
DOI: 10.1111/tpj.15545
关键词
Physcomitrium patens; Physcomitrella patens; amalgavirus; vertical transmission; ribosomal frameshift
资金
- Spanish Ministerio de Economia, Industria y Competitividad [AGL2016-78992-R/FEDER]
- Ministerio de Ciencia e Innovacion [PID2019-106374RB-I00/AEI/10.13039/501100011033]
- LabEx Saclay Plant Sciences (SPS) [ANR-10-LABX-0040-SPS]
Next-generation sequencing techniques have been used to identify new plant viruses, increasing our knowledge beyond economically important crops. A study identified a virus named PHPAV1 infecting Physcomitrium patens, which can be vertically transmitted throughout the plant cell cycle.
In the last few years, next-generation sequencing techniques have started to be used to identify new viruses infecting plants. This has allowed to rapidly increase our knowledge on viruses other than those causing symptoms in economically important crops. Here we used this approach to identify a virus infecting Physcomitrium patens that has the typical structure of the double-stranded RNA endogenous viruses of the Amalgaviridae family, which we named Physcomitrium patens amalgavirus 1, or PHPAV1. PHPAV1 is present only in certain accessions of P. patens, where its RNA can be detected throughout the cell cycle of the plant. Our analysis demonstrates that PHPAV1 can be vertically transmitted through both paternal and maternal germlines, in crosses between accessions that contain the virus with accessions that do not contain it. This work suggests that PHPAV1 can replicate in genomic backgrounds different from those that actually contain the virus and opens the door for future studies on virus-host coevolution.
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