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Simultaneous Detection of Barley Virus Diseases in Korea

국내 맥류에 발생하는 바이러스병 동시진단 방법

  • Lee, Bong-Choon (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Bae, Ju-Young (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Kim, Sang-Min (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Ra, Ji-Eun (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Choi, Nak Jung (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Choi, Man Young (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Park, Ki Do (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration)
  • 이봉춘 (농촌진흥청 국립식량과학원 작물기초기반과) ;
  • 배주영 (농촌진흥청 국립식량과학원 작물기초기반과) ;
  • 김상민 (농촌진흥청 국립식량과학원 작물기초기반과) ;
  • 나지은 (농촌진흥청 국립식량과학원 작물기초기반과) ;
  • 최낙중 (농촌진흥청 국립식량과학원 작물기초기반과) ;
  • 최만영 (농촌진흥청 국립식량과학원 작물기초기반과) ;
  • 박기도 (농촌진흥청 국립식량과학원 작물기초기반과)
  • Received : 2017.07.21
  • Accepted : 2017.08.09
  • Published : 2017.12.31

Abstract

Barley mild mosaic virus (BaMMV), Barley yellow mosaic virus (BaYMV) and Barley yellow dwarf virus (BYDV) have been identified as an important causative agents for an economically important disease of winter barley in Korea. In this study, a multiplex reverse transcription polymerase chain reaction (mRT-PCR) method was used for the simultaneous detection. Three sets of virus-specific primers targeted to the capsid protein coding genes of BaMMV, BaYMV and BYDV were used to amplify fragments that were 594 bp, 461 bp, and 290 bp, respectively. Several sets of primers for each target virus were evaluated for their sensitivity and specificity by multiplex RT-PCR. The optimum primer concentrations and RT-PCR conditions were determined for the multiplex RT-PCR. The mRT-PCR assay was found to be a better and rapid virus diagnostic tool of specific barley diseases and potential for investigating the epidemiology of these viral diseases.

최근 국내 맥류 재배지에서는 대부분 BaMMV, BaYMV, BYDV의 발생이 확인되고 있다. 본 연구에서는 multiplex reverse transcription polymerse chain reaction (mRT-PCR) 방법에 의해 이들 3종류의 바이러스를 동시에 진단하는 방법을 확립하였다. 이들 3종 바이러스의 외피단백질 유전자 정보를 활용하여 각 바이러스에 대한 primer를 제작하였다. mRT-PCR에 사용한 primer는 RT-PCR 반응의 민감도와 특이성에 의해 선발하여 primer 농도와 mRT-PCR의 조건을 설정하였다. 각 바이러스에 대하여 선발된 primer 사용에 의한 mRT-PCR 결과 BaMMV 594 bp, BaYMV 461 bp, BYDV 290 bp의 PCR 산물을 얻을 수 있었다. 본 연구에서 확립된 맥류 바이러스 동시진단방법은 신속하고 특이적인 진단 뿐 아니라 맥류 바이러스병의 전염 등 역학 연구에도 활용 될 것으로 기대된다.

Keywords

References

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