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• W3134598265 abstract "HomePlant DiseaseVol. 105, No. 7First Report of Colombian Datura Virus in Brugmansia suaveolens in Korea PreviousNext DISEASE NOTE OPENOpen Access licenseFirst Report of Colombian Datura Virus in Brugmansia suaveolens in KoreaH.-R. Kwak, H.-S. Byun, S.-B. Hong, J.-Y. Lee, H.-R. Kim, H.-S. Choi, E. Back, J. Han, and M. KimH.-R. Kwak†Corresponding authors: H.-R. Kwak; E-mail Address: hrkwakhahn@korea.kr and M. Kim; E-mail Address: mkim00@chungbuk.ac.krhttp://orcid.org/0000-0002-1852-9776Crop Protection Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Republic of KoreaSearch for more papers by this author, H.-S. ByunCrop Protection Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Republic of KoreaSearch for more papers by this author, S.-B. HongCrop Protection Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Republic of KoreaSearch for more papers by this author, J.-Y. LeeCrop Protection Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Republic of KoreaSearch for more papers by this author, H.-R. KimCrop Protection Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Republic of KoreaSearch for more papers by this author, H.-S. Choihttp://orcid.org/0000-0003-3154-8178Crop Protection Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Republic of KoreaSearch for more papers by this author, E. Backhttp://orcid.org/0000-0002-3701-2406Institution of Plant Analysis Technology Development, The Saeron, Suwon 11648, Republic of KoreaSearch for more papers by this author, J. HanSeoul Agricultural Technology Center, Seoul 06795, Republic of KoreaSearch for more papers by this author, and M. Kim†Corresponding authors: H.-R. Kwak; E-mail Address: hrkwakhahn@korea.kr and M. Kim; E-mail Address: mkim00@chungbuk.ac.krDepartment of Plant Medicine, Chungbuk National University, Cheongju 28644, Republic of KoreaSearch for more papers by this author AffiliationsAuthors and Affiliations H.-R. Kwak1 † H.-S. Byun1 S.-B. Hong1 J.-Y. Lee1 H.-R. Kim1 H.-S. Choi1 E. Back2 J. Han3 M. Kim4 † 1Crop Protection Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Republic of Korea 2Institution of Plant Analysis Technology Development, The Saeron, Suwon 11648, Republic of Korea 3Seoul Agricultural Technology Center, Seoul 06795, Republic of Korea 4Department of Plant Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea Published Online:1 Aug 2021https://doi.org/10.1094/PDIS-12-20-2675-PDNAboutSectionsView articlePDFPDF PlusSupplemental ToolsAdd to favoritesDownload CitationsTrack Citations ShareShare onFacebookTwitterLinked InRedditEmailWechat View articleBrugmansia suaveolens, known as angel’s trumpet, is a perennial ornamental shrub in the Solanaceae with large fragrant flowers. In June 2018, a leaf sample of B. suaveolens that showed virus-like symptoms including chlorotic spots, yellowing, and mottle on leaves was collected from a greenhouse in Seongnam, South Korea, for disease diagnosis. Disease incidence in the greenhouse was greater than 80% for about 2,000 B. suaveolens plants. To identify a causal virus, transmission electron microscopy (TEM) was used to analyze symptomatic leaf samples using leaf dips and thin section methods. Filamentous virus particles and pinwheel structures were observed, indicating the presence of a potyvirus. To confirm the TEM results, a symptomatic leaf sample was further analyzed by reverse-transcription polymerase chain reaction (RT-PCR) using species-specific detection primers for three potyviruses that infect Brugmansia spp.: Colombian datura virus (CDV), Brugmansia mosaic virus, and Brugmansia suaveolens mottle virus (Lucinda et al. 2008; Park et al. 2014; Verma et al. 2014). The sample was positive only for CDV. CDV is transmitted by aphids in a nonpersistent manner and mechanical inoculation and can infect plants in the Solanaceae family including tomato and tobacco (Kahn and Bartels 1968; Schubert et al. 2006; Verhoeven et al. 1996) and has been designated a quarantine virus in Korea. Additional analysis of 13 symptomatic B. suaveolens plants from the infected greenhouse found that all samples except one were infected with CDV. To isolate CDV from B. suaveolens, leaf extracts from symptomatic samples were mechanically inoculated on an assay host, Nicotiana tabacum cv. BY, via three single-lesion passages followed by propagation in N. benthamiana. For the bioassay of the CDV isolate (CDV-AT-Kr), sap from infected N. benthamiana was mechanically inoculated on 31 indicator plants, including B. suaveolens. CDV-AT-Kr induced chlorotic local lesions, necrotic local lesions, mottle, and/or mosaic systemically in 10 Nicotiana spp., and mottle and yellowing in tomato. On inoculated B. suaveolens, the mild mottle symptom was reproduced. No symptoms were observed in pepper or Datura stramonium. These results were confirmed by RT-PCR. To characterize CDV-AT-Kr genetically, the complete genome sequence of CDV-AT-Kr was obtained by RT-PCR using specific primers and deposited in GenBank (accession no. MW075268). The CDV-AT-Kr RNA consists of 9,620 nt, encoding a polyprotein of 3,076 aa. BLASTn analysis showed that CDV-AT-Kr had maximum nucleotide identities of 98.9% at the complete genome level with a CDV isolate (accession no. JQ801448) from N. tabacum in the United Kingdom. To our knowledge, this is the first report of CDV infection in B. suaveolens in Korea and the second report in the world of the complete genome sequence. Because B. suaveolens is cultivated by vegetative propagation, production and maintenance of virus-free, healthy B. suaveolens is needed. In addition, as new CDV hosts have been repeatedly reported (Pacifico et al. 2016; Salamon et al. 2015; Tomitaka et al. 2014; Verma et al. 2014), we are monitoring nationwide occurrence to prevent the spread of the virus to other crops.The author(s) declare no conflict of interest.References:Kahn, R. P., and Bartels, R. 1968. Phytopathology 58:587. ISI, Google ScholarLucinda, N., et al. 2008. Arch. Virol. 153:1971. https://doi.org/10.1007/s00705-008-0211-x Crossref, ISI, Google ScholarPacifico, D., et al. 2016. Plant Dis. 100:2338. https://doi.org/10.1094/PDIS-04-16-0445-PDN Link, Google ScholarPark, C. Y., et al. 2014. Res. Plant Dis. 20:307. https://doi.org/10.5423/RPD.2014.20.4.307 Crossref, Google ScholarSalamon, P., et al. 2015. Plant Dis. 99:898. https://doi.org/10.1094/PDIS-07-14-0743-PDN Link, Google ScholarSchubert, J., et al. 2006. J. Phytopathol. 154:343. https://doi.org/10.1111/j.1439-0434.2006.01104.x Crossref, ISI, Google ScholarTomitaka, Y., et al. 2014. Plant Dis. 98:698. https://doi.org/10.1094/PDIS-06-13-0668-PDN Link, ISI, Google ScholarVerhoeven, J. T. J., et al. 1996. Eur. J. Plant Pathol. 102:895. https://doi.org/10.1007/BF01877061 Crossref, ISI, Google ScholarVerma, R. K., et al. 2014. New Dis. Rep. 30:2044. Crossref, Google ScholarFunding: This research was supported by a grant from the Agenda Program funded by the Rural Development Administration of Korea (PJ014878012020).The author(s) declare no conflict of interest.DetailsFiguresLiterature CitedRelated Vol. 105, No. 7 July 2021SubscribeISSN:0191-2917e-ISSN:1943-7692 DownloadCaptionLeaf spot symptoms on Zizyphus mauritiana in the field caused by Colletotrichum spp. (J. Shu et al.). Photo credit: Q. Li. Symptoms of twig dieback of tea plants caused by Fusarium solani (A. K. Pandey et al.). Photo credit: A. K. Pandey. Metrics Downloaded 575 times Article History Issue Date: 25 Oct 2021Published: 1 Aug 2021First Look: 9 Mar 2021Accepted: 9 Mar 2021 Page: 2024 Information© 2021 The American Phytopathological SocietyFundingRural Development Administration of KoreaGrant/Award Number: PJ014878012020KeywordsBrugmansia suaveolensColombian datura viruspotyvirusThe author(s) declare no conflict of interest.Cited ByBrugmansia suaveolens as a New Host for Root-Knot Nematode, Meloidogyne incognita, in Goiás State, BrazilD. D. Nascimento, E. M. Silva, A. P. M. Lopes, R. J. Ferreira, V. R. Carvalho, A. L. Z. Santos, E. T. Correia, S. R. S. Wilcken, and P. L. M. Soares25 February 2022 | Plant Disease, Vol. 0, No. 0" @default.
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