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Archives of Virology
Published in: Archives of Virology 9/2017

01-09-2017 | Annotated Sequence Record

A mitovirus isolated from the phytopathogenic fungus Alternaria brassicicola

Authors: Yi Chen, Hong Hong Shang, Hong Qi Yang, Bi Da Gao, Jie Zhong

Published in: Archives of Virology | Issue 9/2017

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Abstract

Alternaria brassicicola is one of the causal agents of alternaria blackspot in rapeseed. In this study, a dsRNA segment was isolated and sequenced from the fungus. The complete nucleotide sequence of the dsRNA was 2506 bp in length and, using the fungal mitochondrial genetic code, was predicted to contain a single large open reading frame (ORF) in the positive strand. This ORF was predicted to encode a protein with 719 amino acids that contains characteristic conserved motifs of the RNA-dependent RNA polymerase (RdRp). BLAST analysis revealed that this protein had significant sequence similarity to the RdRp from viruses of the genus Mitovirus. These results indicated that the dsRNA segment represents the replicative form of a mitovirus, which is tentatively designated “Alternaria brassicicola mitovirus 1” (AbMV1) and is a new member of the genus Mitovirus in the family Narnaviridae.
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Metadata
Title
A mitovirus isolated from the phytopathogenic fungus Alternaria brassicicola
Authors
Yi Chen
Hong Hong Shang
Hong Qi Yang
Bi Da Gao
Jie Zhong
Publication date
01-09-2017
Publisher
Springer Vienna
Published in
Archives of Virology / Issue 9/2017
Print ISSN: 0304-8608
Electronic ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-017-3371-8

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