Abstract
The protocol for a simple, sensitive, and specific method using a cDNA macroarray to detect multiple viruses is provided. The method can be used even at the production sites for crops, which need a reliable routine diagnosis for mixed infection of plant viruses. The method consists of three steps: RNA extraction, duplex RT-PCR, and “microtube hybridization” (MTH). Biotinylated cDNA probes are prepared using RT-PCR and used to hybridize a nylon membrane containing target viral cDNAs by MTH. Positive signals can be visualized by colorimetric reaction and judged by eyes. We here demonstrate this method to detect asparagus viruses (Asparagus virus 1 and Asparagus virus 2) from latently infected asparagus plants.
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Acknowledgment
We thank Ms. Chieko Hirata for her excellent technical help. This work was supported in part by a Grant-in-Aid for Research and Development Projects for Application in Promoting New Policy of Agriculture, Forestry and Fisheries from the Ministry of Agriculture, Forestry and Fisheries (MAFF) (Japan).
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© 2015 Springer Science+Business Media New York
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Shimura, H., Furuta, K., Masuta, C. (2015). Detection of Plant Viruses in Mixed Infection by a Macroarray-Assisted Method. In: Uyeda, I., Masuta, C. (eds) Plant Virology Protocols. Methods in Molecular Biology, vol 1236. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-1743-3_1
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DOI: https://doi.org/10.1007/978-1-4939-1743-3_1
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Publisher Name: Humana Press, New York, NY
Print ISBN: 978-1-4939-1742-6
Online ISBN: 978-1-4939-1743-3
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