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  • Title: Characterization of a novel gammapartitivirus infecting the phytopathogenic fungus Pyricularia oryzae.
    Author: Fan Y, Zhao W, Tang X, Wang L, Yang M, Yang Y, Cheng B, Zhou E, He Z.
    Journal: Arch Virol; 2024 Apr 18; 169(5):105. PubMed ID: 38637359.
    Abstract:
    In this study, we identified a novel double-strand RNA (dsRNA) mycovirus in Pyricularia oryzae, designated "Magnaporthe oryzae partitivirus 4" (MoPV4). The genome of MoPV4 consists of a dsRNA-1 segment encoding an RNA-dependent RNA polymerase (RdRP) and a dsRNA-2 segment encoding a capsid protein (CP). Phylogenetic analysis indicated that MoPV4 belongs to the genus Gammapartitivirus within family Partitiviridae. The particles of MoPV4 are isometric with a diameter of about 32.4 nm. Three-dimensional structure predictions indicated that the RdRP of MoPV4 forms a classical right-handed conformation, while the CP has a reclining-V shape.
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