Full genome sequence of a new mitovirus from the phytopathogenic fungus Rhizoctonia solani.
Journal
Archives of virology
ISSN: 1432-8798
Titre abrégé: Arch Virol
Pays: Austria
ID NLM: 7506870
Informations de publication
Date de publication:
Jul 2020
Jul 2020
Historique:
received:
09
03
2020
accepted:
05
04
2020
pubmed:
20
5
2020
medline:
19
6
2020
entrez:
20
5
2020
Statut:
ppublish
Résumé
A double-stranded RNA (dsRNA) segment was identified in Rhizoctonia solani anastomosis group (AG)-2-2IIIB, the primary causal agent of Rhizoctonia crown and root rot of sugar beet. The dsRNA segment represented the genome replication intermediate of a new mitovirus that was tentatively designated as "Rhizoctonia solani mitovirus 39" (RsMV-39). The complete sequence of the dsRNA was 2805 bp in length with 61.9% A+U content. Using either the fungal mitochondrial or universal genetic code, a protein of 840 amino acids containing an RNA-dependent RNA polymerase (RdRp) domain was predicted with a molecular mass of 94.46 kDa. BLASTp analysis revealed that the RdRp domain of RsMV-39 had 43.55% to 72.96% sequence identity to viruses in the genus Mitovirus, and was the most similar (72.96% identical) to that of Ceratobasidium mitovirus A (CbMV-A). Phylogenetic analysis based on RdRp domains clearly showed that RsMV-39 is a member of a distinct species in the genus Mitovirus of the family Mitoviridae. This is the first full genome sequence of a mycovirus associated with R. solani AG-2-2IIIB.
Identifiants
pubmed: 32424446
doi: 10.1007/s00705-020-04664-w
pii: 10.1007/s00705-020-04664-w
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1719-1723Subventions
Organisme : the earmarked fund for China Agriculture Research System
ID : CARS-170304
Organisme : National Training Program of Innovation and Entrepreneurship for Undergraduates
ID : 201910019031
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