The Plant Pathology Journal

The Korean Society of Plant Pathology (한국식물병리학회)
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Rapid Identification of Jasmine Virus H Infecting Ixora coccinea by Nanopore Metatranscriptomics

  • Sung-Woong Kim (Department of Applied Biology, Institute of Environmentally Friendly Agriculture, Chonnam National University) ;
  • Hyo-Jeong Lee (Department of Applied Biology, Institute of Environmentally Friendly Agriculture, Chonnam National University) ;
  • Sena Choi (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • In-Sook Cho (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Rae-Dong Jeong (Department of Applied Biology, Institute of Environmentally Friendly Agriculture, Chonnam National University)
  • Received : 2023.03.06
  • Accepted : 2023.04.23
  • Published : 2023.06.01
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Abstract

The global climate change and international trade have facilitated the movement of plants across borders, increasing the risk of introducing novel plant viruses in new territories. Ixora coccinea exhibited virus-like foliar symptoms, including mosaic and mild mottle. An Oxford Nanopore Technologies-based compact and portable MinION platform was used to identify the causal viral pathogen. The complete genome sequence of jasmine virus H (JaVH; 3867 nt, JaVH-CNU) was determined and found to share 88.4-90.3% nucleotide identity with that of Jasminum sambac JaVH isolate in China. Phylogenetic analysis based on the complete amino acid sequences of RNA-dependent RNA polymerase and coat protein revealed that JaVH-CNU was grouped separately with other JaVH isolates. This is the first report of a natural JaVH infection of I. coccinea. The application of rapid nanopore sequencing for plant virus identification was demonstrated and is expected to provide accurate and rapid diagnosis for virus surveillance.

Keywords

Acknowledgement

This work was carried out with the support of Cooperative Research Program for Agriculture Science and Technology Development (Project No. PJ014947032023) Rural Development Administration, Republic of Korea.

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