Infectious in vivo transcripts from a full-length clone of soybean mosaic virus strain G5H

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Abstract

An infectious full-length clone of Soybean mosaic vims (SMV) strain G5H was constructed under the control of the cauliflower mosaic virus 35S promoter. The cloned SMV G5H established infections upon simple rub-inoculation of soybean leaves with intact plasmid DNA. We demonstrated that this SMV G5H infectious DNA clone caused typical characteristic symptoms and virulence of SMV strain G5H in twelve tested soybean cultivars. Soybean cultivars Lee74, Somyungkong and Sowonkong developed systemic mosaic symptom while Kwanggyo, Taekwangkong, Hwangkeumkong and Geumjeongkong-1 showed systemic necrosis. In contrast, Geumjeongkong-2, Jinpumkong-2, L29, V94-5152 and Ogden showed resistant response against SMV-G5H infection. We also determined full-length sequence of cloned SMV-G5H. The phyogenetic analyses reveal that SMV-G5H is most closely related to SMV-G5, and support that SMV-G5H might be derived from SMV-G5 by recombination rather than mutation. © The Korean Society of Plant Pathology.

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Seo, J. K., Lee, H. G., Choi, H. S., Lee, S. H., & Kim, K. H. (2009). Infectious in vivo transcripts from a full-length clone of soybean mosaic virus strain G5H. Plant Pathology Journal, 25(1), 54–61. https://doi.org/10.5423/PPJ.2009.25.1.054

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