Abstract
A system for simultaneous detection of two orchid-infecting viruses was developed and applied to several orchid species. The detection system involved multiplex reverse transcription-polymerase chain reaction (RT-PCR) and could simultaneously identify Cymbidium mosaic virus (CymMV) and Odontoglossum ringspot virus (ORSV) from the orchid species studied. Multiplex RT-PCR was conducted using two virus-specific primer pairs and an internal control pair of primers to amplify the CymMV and ORSV coat protein regions, and orchid 18S rDNA, respectively. For optimization of multiplex RT-PCR conditions, serial dilutions of total RNA and cDNA were performed and the detection limit of the system was evaluated. The optimized multiplex detection system for CymMV and ORSV was applied to various orchid species, including several cultivars of Doritaenopsis, Cymbidium, Dendrobium, and Phalaenopsis to test the efficacy of this method. Our results indicate that the multiplex RT-PCR detection system will be a rapid, simple, and precise diagnosis tool in a range of orchid species.
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This work was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2014R1A1A2056541).
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Kim, S.M., Choi, S.H. Simultaneous detection of Cymbidium mosaic virus and Odontoglossum ringspot virus in orchids using multiplex RT-PCR. Virus Genes 51, 417–422 (2015). https://doi.org/10.1007/s11262-015-1258-x
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DOI: https://doi.org/10.1007/s11262-015-1258-x