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Simultaneous detection of Tomato spotted wilt virus, Dahlia mosaic virus and Chrysanthemum stunt viroid by multiplex RT-PCR in dahlias and their distribution in Japanese dahlias



Simultaneous detection of Tomato spotted wilt virus, Dahlia mosaic virus and Chrysanthemum stunt viroid by multiplex RT-PCR in dahlias and their distribution in Japanese dahlias



Letters in Applied Microbiology 61(2): 113-120



Tomato spotted wilt virus (TSWV), Dahlia mosaic virus (DMV) and Chrysanthemum stunt viroid (CSVd) are economically important viruses and viroid that infect cultivated dahlias. Prior to this investigation, no multiplex RT-PCR assay for the detection of dahlia virus and viroid infections existed. In this study, we report the development of a multiplex RT-PCR that simultaneously detects TSWV, DMV and CSVd infections in dahlias. In addition, a simple RT-PCR method that does not require RNA extraction, microtissue direct RT-PCR, could be used to prepare samples for analysis by this multiplex RT-PCR. A field survey validated our results, indicating that TSWV was the dominant virus found in the Kansai region, DMV in the Tohoku and Kyushu regions, and CSVd in the Hokkaido region. This method represents a rapid, sensitive and cost effective approach to diagnose viral infections in dahlias. The multiplex RT-PCR assay described in this study is the first report of simultaneous detection of virus and viroid in dahlia. This method represents a rapid, sensitive and cost effective approach to diagnose viral infections in dahlias. A field survey validated our results, indicating that TSWV was the dominant virus found in the Kansai region, DMV in the Tohoku and Kyushu regions and CSVd in the Hokkaido region.

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Accession: 058856697

Download citation: RISBibTeXText

PMID: 25976592

DOI: 10.1111/lam.12442


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