Molecular characterization of A2 and D strains of Soybean mosaic virus, which caused a recent virus outbreak in soybean cultivar Sachiyutaka in Chugoku and Shikoku regions of Japan |
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| Authors: | Masayasu Saruta Akio Kikuchi Akinori Okabe Takahide Sasaya |
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| Institution: | (1) National Agricultural Research Center for Western Region, Zentsuji, Kagawa 765-8508, Japan;(2) Present address: Policy Planning and Evaluation Division, Minister's Secretariat, MAFF, Kasumigaseki, Tokyo 100-8950, Japan |
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| Abstract: | Coat protein sequences of two isolates in strain A2 and five isolates in strain D of Soybean mosaic virus (SMV), which caused a recent mosaic outbreak in soybeans (cv. Sachiyutaka) in Chugoku and Shikoku in Japan, were compared
to published data on 15 other Asian-origin isolates. Sequence comparison and cluster analysis showed that SMV isolates of
strain A2 from these districts were closely related, as were those of strain D, but strains A2 and D were not. Thus, the two strains may have different origins and be carried through seed transmission. |
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| Keywords: | Soybean mosaic virus Coat protein gene Soybean cultivar Sachiyutaka |
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