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wheat streak mosaic virus
Wheat streak mosaic virus (WSMV) is a plant pathogenic virus of the family Potyviridae that infects plants in the Poaceae family, especially wheat (''Triticum spp.''); it is globally distributed and vectored by the wheat curl mite, particularly in regions where wheat is widely grown. First described in Nebraska in 1922,〔(【引用サイトリンク】title=Viral Diseases of Corn in Illinois )〕 stunted growth and the eponymous “streaks” of yellowed, non-uniform discoloration are characteristic of WSMV infection. As it has been known to cause 100% crop mortality, WSMV is a subject of ongoing scientific research.
== Genome ==
WSMV is a flexible, rod-shaped virus composed of a positive-sense single-strand RNA genome approximately 8.5 to 12 kilobases in length, and can be either mono- or bipartite. The RNA serves as both the genome and viral messenger. The genomic RNA (or its segments) is translated into polyprotein(s) which are transformed by virus-encoded proteases into functional products.〔(【引用サイトリンク】title=Potyviridae )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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