Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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First Report of Cucumber mosaic virus Isolated from Sambungai (Gynura procumbens)

명월초에서 분리한 오이모자이크바이러스의 감염 첫 보고

  • Kwon, June (Department of Applied Biology, Kangwon National University) ;
  • Hong, Jin-Sung (Department of Applied Biology, Kangwon National University)
  • 권준 (강원대학교 응용생물학과) ;
  • 홍진성 (강원대학교 응용생물학과)
  • Received : 2017.10.01
  • Accepted : 2017.10.30
  • Published : 2017.12.31
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Abstract

In March 2016, an isolate of Cucumber mosaic virus (named Gyp-CMV) was isolated from the Sambungai (Gynura procumbens) showing the symptoms of mosaic and chlorosis. The isolate Gyp-CMV was characterized by disease reactions in several indicator plants, reverse transcription-polymerase chain reaction (RT-PCR), PCR-restriction fragment length polymorphism, and sequence analysis of movement protein (3a) and coat protein (CP) genes. Tobacco, tomato, pepper, ground cherry, and lambsquarters (Chenopodium quinoa and C. amaranticolor) appeared typical CMV symptoms, but zucchini and cucumber were not infected. Phylogenetic analysis of the 3a and CP gene indicated that Gyp-CMV belongs to the CMV subgroup II. Sequence identities of the Gyp-CMV 3a and CP genes showed 99.3% and 100% to that of Hnt-CMV at amino acid level. To our knowledge, this is the first report of CMV infection in Gynura procumbens.

2016년 3월, 모자이크와 황화 병징을 보이는 명월초 잎에서 CMV를 분리하여 CMV-Gyp로 명명하였다. 기주식물의 생물적 반응과 RT-PCR, PCR-RFLP, 이동단백질 및 외피단백질 유전자의 염기서열 분석을 통해 CMV를 동정하였다. 가지과(담배, 고추, 꽈리)와 비름과(흰명아주, 붉은명아주)에서는 전형적인 CMV의 병징이 나타났으나 박과(쥬키니호박, 오이)에서는 병징이 발현되지 않는 특성을 보였다. 3a 및 CP 유전자의 계통학적 분석 결과, CMV-Gyp가 CMV Subgroup II에 속하는 것으로 나타냈다. CMV-Gyp의 이동단백질과 외피단백질유전자의 서열은 아미노산 수준에서 CMV-Hnt와 99.3% 및 100% 일치하였다. 이 논문은 명월초에서 CMV 감염에 대한 첫 보고이다.

Keywords

References

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