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The wide distribution of endornaviruses, large double-stranded RNA replicons with plasmid-like properties

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The International Committee on Taxonomy of Viruses (ICTV) recently accepted Endornavirus as a new genus of plant dsRNA virus. We have determined the partial nucleotide sequences of the RNA-dependent RNA polymerase regions from the large dsRNAs (about 14 kbp) isolated from barley (Hordeum vulgare), kidney bean (Phaseolus vulgaris), melon (Cucumis melo), bottle gourd (Lagenaria siceraria), Malabar spinach (Basella alba), seagrass (Zostera marina), and the fungus Helicobasidium mompa. Phylogenetic analyses of these seven dsRNAs indicate that these dsRNAs are new members of the genus Endornavirus that are widely distributed over the plant and fungal kingdoms.

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Fukuhara, T., Koga, R., Aoki, N. et al. The wide distribution of endornaviruses, large double-stranded RNA replicons with plasmid-like properties. Arch Virol 151, 995–1002 (2006).

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