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http://dx.doi.org/10.5423/RPD.2014.20.1.021

Development of Species-Specific Primers for Plasmodiophora brassicae, Clubroot Pathogen of Kimchi Cabbage  

Choi, Jin Su (Department of Applied Biology, Chungnam National University)
Yang, Seul Gi (Department of Applied Biology, Chungnam National University)
Song, Jeong Young (Department of Applied Biology, Chungnam National University)
Kim, Hong Gi (Department of Applied Biology, Chungnam National University)
Publication Information
Research in Plant Disease / v.20, no.1, 2014 , pp. 21-24 More about this Journal
Abstract
Clubroot caused by the obligate biotrophic protist Plasmodiophora brassicae Woronin is one of the most damaging diseases of Brassicaceae family. In this study, we developed species-specific primer sets for rapid and accurate detection of P. brassicae. The primer sets developed amplified a specific fragment only from P. brassicae DNA while they did not amplify a band from 10 other soilborne pathogens or from Kimchi cabbage. In sensitivity test, the species-specific primer set ITS1-1/ITS1-2 could work for approximately 10 spores/ml of genomic DNA showing more sensitivity and accuracy than previous methods. With quantitative real-time PCR test, the primer set detected less spores of P. brassicae than before, confirming that the species-specific primer set could be useful for rapid and accurate detection of P. brassicae.
Keywords
Clubroot pathogen; Detection; Plasmodiophora brassicae; Quantitative real-time PCR; Species-specific primer;
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Times Cited By KSCI : 2  (Citation Analysis)
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