3 years ago

Two alphapartitiviruses co-infecting a single isolate of the plant pathogenic fungus Rhizoctonia solani

Jiasen Cheng, Qing Tang, Ruiling Lyu, Tao Chen, Yangyi Li, Yanping Fu, Yi Zhang, Jiatao Xie, Daohong Jiang

Abstract

Seven dsRNA segments were detected from a single Rhizoctonia solani strain HG81. From the full-length cDNA sequences of four smaller dsRNA segments, the genomes of two related partitiviruses, designated as Rhizoctonia solani partitivirus 3 (RsPV3) and RsPV4, were determined. The genomes of RsPV3 and RsPV4 are both composed of two separate dsRNA segments, with each segment possessing a single open reading frame (ORF). ORF1 from RsPV3 and RsPV4 encodes a putative RNA-dependent RNA polymerase, while ORF2 of RsPV3 and RsPV4 encodes a putative capsid protein. RsPV3 and RsPV4 share high sequence identity with viruses classified within the genus Alphapartitivirus, family Partitiviridae.

Publisher URL: https://link.springer.com/article/10.1007/s00705-017-3627-3

DOI: 10.1007/s00705-017-3627-3

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