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Erschienen in: Archives of Virology 5/2020

10.03.2020 | Annotated Sequence Record

A novel narnavirus from the plant-pathogenic fungus Magnaporthe oryzae

verfasst von: Yuan Lin, Jia Zhou, Xuan Zhou, Simin Shuai, Rendi Zhou, Hongliu An, Shouguo Fang, Songbai Zhang, Qingchao Deng

Erschienen in: Archives of Virology | Ausgabe 5/2020

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Abstract

A novel mycovirus with the proposed name “Magnaporthe oryzae narnavirus virus 1” (MoNV1), was described in the rice blast fungus Magnaporthe oryzae. The virus has a single-stranded (+ss) RNA genome of 2452 nucleotides, contains a single open reading frame (ORF) predicted to encode an RNA-dependent RNA polymerase (RDRP), and is closely related to some viruses of the genus Narnavirus, family Narnaviridae, including Aspergillus fumigatus narnavirus 1 (AfNV1), Neofusicoccum parvum narnavirus 2 (NpNV2) and Alternaria tenuissima narnavirus 1 (AtNV2). Genome sequence comparisons and phylogenetic analysis suggested that MoNV1 is a new member of the genus Narnavirus. The RDRPs of MoNV1 and some closely related narnaviruses do not contain a typical metal-binding “GDD” motif and catalytic site. Further studies are needed to investigate the replication mechanism of these viruses.
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Metadaten
Titel
A novel narnavirus from the plant-pathogenic fungus Magnaporthe oryzae
verfasst von
Yuan Lin
Jia Zhou
Xuan Zhou
Simin Shuai
Rendi Zhou
Hongliu An
Shouguo Fang
Songbai Zhang
Qingchao Deng
Publikationsdatum
10.03.2020
Verlag
Springer Vienna
Erschienen in
Archives of Virology / Ausgabe 5/2020
Print ISSN: 0304-8608
Elektronische ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-020-04586-7

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