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Archives of Virology
Erschienen in:

13.10.2022 | Annotated Sequence Record

Molecular characterization of a novel endornavirus isolated from Ophiostoma bicolor associated with bark beetles

verfasst von: Yuyao Zhu, Anna Lu, Zheng Wang, Quan Lu, Chengming Yu, Huixiang Liu

Erschienen in: Archives of Virology | Ausgabe 12/2022

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Abstract

Ophiostoma bicolor is a pathogenic fungus associated with bark beetles that can cause serious damage to host plants. In this study, a novel fungal virus, “Ophiostoma bicolor endornavirus 1” (ObEV1), was obtained from O. bicolor, and its complete genome sequence was determined. ObEV1 has a single-stranded positive-sense (+ ss) RNA genome of 10,119 nucleotides. Sequence annotation and comparison showed that the viral genome has a single large open reading frame (ORF) encoding a polyprotein of 362.48 kDa. The polyprotein contains seven conserved domains: RNA-dependent RNA polymerase (RdRp), viral RNA helicase 1 (VHel1), viral methyltransferase (VMet), DEAD-like helicase (DEXDc), gliding-GltJ (G1), large tegument protein UL36 (PHA), and YlqF-related-GTPase (Y). Sequence comparisons and phylogenetic analysis showed that ObEV1 is a novel mycovirus belonging to the genus Betaendornavirus of the family Endornaviridae. This is the first report of a mycovirus in the ophiostomatoid fungus O. bicolor.
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Metadaten
Titel
Molecular characterization of a novel endornavirus isolated from Ophiostoma bicolor associated with bark beetles
verfasst von
Yuyao Zhu
Anna Lu
Zheng Wang
Quan Lu
Chengming Yu
Huixiang Liu
Publikationsdatum
13.10.2022
Verlag
Springer Vienna
Erschienen in
Archives of Virology / Ausgabe 12/2022
Print ISSN: 0304-8608
Elektronische ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-022-05613-5

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