The Plant Pathology Journal

The Korean Society of Plant Pathology (한국식물병리학회)
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Identification of Leonurus sibiricus as a Weed Reservoir for Three Pepper-Infecting Viruses

  • Kwon, Sun-Jung (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Choi, Gug-Seoun (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Yoon, Ju-Yeon (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Seo, Jang-Kyun (Crop Protection Division, National Academy of Agricultural Science, RDA) ;
  • Choi, Hong-Soo (Crop Protection Division, National Academy of Agricultural Science, RDA)
  • Received : 2015.07.14
  • Accepted : 2015.08.30
  • Published : 2016.02.01
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Abstract

In plant virus ecology, weeds are regarded as wild reservoirs of viruses and as potential sources for insect-mediated transmission of viruses. During field surveys in 2013-2014, three Leonurus sibiricus plants showing virus-like symptoms were collected from pepper fields in Daegu, Seosan, and Danyang in Korea. Molecular diagnosis assays showed that the collected L. sibiricus samples were infected with either Tomato spotted wilt virus (TSWV), Pepper mild mottle virus (PMMoV), or Beet western yellow virus (BWYV), respectively. Since this is the first identification of TSWV, PMMoV, and BWYV from L. sibiricus, complete genome sequences of three virus isolates were determined to examine their phylogenetic relationships with the previously reported strains and isolates. Phylogenetic analyses performed using full genome sequences of the viruses showed the isolates of TSWV and PMMoV obtained from L. sibiricus are closely related to the pepper isolates of the corresponding viruses. Our results suggest that L. sibiricus could act an alternative host and reservoir of viruses that cause damages in pepper fields.

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References

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