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http://dx.doi.org/10.5423/RPD.2015.21.4.315

Detection of Soybean mosaic virus by Reverse Transcription Loop-mediated Isothermal Amplification  

Lee, Yeong-Hoon (Crop Production Technology Research Division, National Institutes of Crop Science, Rural Development Administration)
Bae, Dae-Hyeon (School of Applied bioscience, Kyungpook National University)
Kim, Bong-Sub (School of Applied bioscience, Kyungpook National University)
Yoon, Young-Nam (Crop Production Technology Research Division, National Institutes of Crop Science, Rural Development Administration)
Bae, Soon-Do (Crop Production Technology Research Division, National Institutes of Crop Science, Rural Development Administration)
Kim, Hyun-Joo (Crop Production Technology Research Division, National Institutes of Crop Science, Rural Development Administration)
Mainali, Bishwo P. (Crop Production Technology Research Division, National Institutes of Crop Science, Rural Development Administration)
Park, In-Hee (Crop Production Technology Research Division, National Institutes of Crop Science, Rural Development Administration)
Lee, Su-Heon (School of Applied bioscience, Kyungpook National University)
Kang, Hang-Won (Crop Production Technology Research Division, National Institutes of Crop Science, Rural Development Administration)
Publication Information
Research in Plant Disease / v.21, no.4, 2015 , pp. 315-320 More about this Journal
Abstract
Soybean mosaic virus (SMV) is a prevalent pathogen that causes significant yield reduction in soybean production worldwide. SMV belongs to potyvirus and causes typical symptoms such as mild mosaic, mosaic and necrosis. SMV is seed-borne and also transmitted by aphid. Eleven SMV strains, G1 to G7, G5H, G6H, G7H, and G7a were reported in soybean varieties in Korea. A reverse transcription loop-mediated isothermal amplification (RT-LAMP) method allowed one-step detection of gene amplification by simple procedure and needed only a simple incubator for isothermal template. This RT-LAMP method allowed direct detection of RNA from virus-infected plants without thermal cycling and gel electrophoresis. In this study, we designed RT-LAMP primers named SML-F3/B3/FIP/BIP from coat protein gene sequence of SMV. After the reaction of RT-LAMP, products were identified by electrophoresis and with the detective fluorescent dye, SYBR Green I under daylight and UV light. Optimal reaction condition was at $58^{\circ}C$ for 60 min and the primers of RT-LAMP showed the specificity for nine SMV strains tested in this study.
Keywords
Detection; RT-LAMP; SMV; Soybean; Virus;
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