TITLE

The complete genomic sequence of a novel mycovirus from Rhizoctonia solani AG-1 IA strain B275

AUTHOR(S)
Zheng, Li; Liu, Huiquan; Zhang, Meiling; Cao, Xiong; Zhou, Erxun
PUB. DATE
July 2013
SOURCE
Archives of Virology;Jul2013, Vol. 158 Issue 7, p1609
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The complete genome of a novel mycovirus, Rhizoctonia solani dsRNA virus 1 (RsRV1) was sequenced and analyzed. It is composed of two dsRNA genome segments, 2379 bp and 1811 bp in length, which were referred to as RsRV1-1 and RsRV1-2, respectively. RsRV1-1 contains a single open reading frame (ORF1), which has a conserved RNA-dependent RNA polymerase (RdRp) domain, whereas RsRV1-2 contains a single ORF2, which might encode a multifunctional protein. The genome organization of RsRV1 is similar to that of members of the family Partitiviridae. However, phylogenetic analysis indicated that RsRV1 formed a distinct clade together with three other unclassified viruses, suggesting that RsRV1 may belong to a new family of dsRNA mycoviruses. This is the first report of the full-length nucleotide sequence of a novel dsRNA mycovirus, RsRV1, infecting R. solani AG-1 IA strain B275, the causal agent of rice sheath blight.
ACCESSION #
88428265

 

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