The nucleotide sequence and genome organization of mushroom bacilliform virus: a single-stranded RNA virus of Agaricus bisporus (Lange) Imbach
Revill, P.A. | Davidson, A.D. | Wright, P.J.
Mushroom bacilliform virus (MBV) is found in association with spherical virus-like particles in cultivated mushrooms (Agaricus bisporus) afflicted with La France disease. MBV possesses a monopartite ssRNA genome of positive sense and differs from the majority of characterized mycoviruses, which contain segmented dsRNA genomes. We have cloned and sequenced the MBV genome and determined that its length is 4009 nucleotides. The MBV genome contains four major and three minor open reading frames and has 5' and 3' noncoding regions of 60 and 250 nucleotides, respectively. The putative RNA-dependent RNA polymerase and the coat protein display homology with corresponding proteins encoded by certain plant viruses, particularly luteoviruses and carmoviruses.
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