Complete genome sequence of a novel endornavirus in the wheat sharp eyespot pathogen Rhizoctonia cerealis

Complete genome sequence of a novel endornavirus in the wheat sharp eyespot pathogen Rhizoctonia... We report here the presence of a novel double-stranded RNA (dsRNA) virus in an isolate (R0959) of the fungus Rhizoctonia cerealis , the causal agent of sharp eyespot of wheat in China. Sequence analysis showed that the dsRNA segment is 17,486 bp long and contains a single open reading frame (ORF) with the potential to encode a protein of 5,747 amino acids. The predicted protein contains conserved motifs of putative viral methyltransferase, helicase 1, and RNA-dependent RNA polymerase. Sequence similarity and phylogenetic analysis clearly place it in a distinct species within the genus Endornavirus , family Endornaviridae , and therefore we propose its name to Rhizoctonia cerealis endornavirus 1 (RcEV1). This is the first report of the full-length genomic sequence of a dsRNA mycovirus in R. cerealis . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Complete genome sequence of a novel endornavirus in the wheat sharp eyespot pathogen Rhizoctonia cerealis

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Publisher
Springer Vienna
Copyright
Copyright © 2014 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-013-1893-2
Publisher site
See Article on Publisher Site

Abstract

We report here the presence of a novel double-stranded RNA (dsRNA) virus in an isolate (R0959) of the fungus Rhizoctonia cerealis , the causal agent of sharp eyespot of wheat in China. Sequence analysis showed that the dsRNA segment is 17,486 bp long and contains a single open reading frame (ORF) with the potential to encode a protein of 5,747 amino acids. The predicted protein contains conserved motifs of putative viral methyltransferase, helicase 1, and RNA-dependent RNA polymerase. Sequence similarity and phylogenetic analysis clearly place it in a distinct species within the genus Endornavirus , family Endornaviridae , and therefore we propose its name to Rhizoctonia cerealis endornavirus 1 (RcEV1). This is the first report of the full-length genomic sequence of a dsRNA mycovirus in R. cerealis .

Journal

Archives of VirologySpringer Journals

Published: May 1, 2014

References

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