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Convenient Virion Capture (VC)/PCR for Tomato yellow leaf curl geminivirus Occurring on Tomato in Korea

우리나라 토마토에 발생한 토마토황화잎말림바이러스(Tomato yellow leaf curl geminivirus)의 초간편 Virion Capture(VC)/PCR 진단법

  • Cho, Jeom-Deog (National Institute of Horticultural & Herbal Science, R.D.A.) ;
  • Kim, Tae-Seong (Gyeongsangnam-do Agricultural Reaearch & Extension Services) ;
  • Kim, Ju-Hee (Jeollabuk-do Agricultural Reaearch & Extension Services) ;
  • Choi, Gug-Seoun (National Institute of Horticultural & Herbal Science, R.D.A.) ;
  • Chung, Bong-Nam (National Institute of Horticultural & Herbal Science, R.D.A.) ;
  • Choi, Hong-Soo (National Academy of Agricultural Science, R.D.A.) ;
  • Kim, Jeong-Soo (National Academy of Agricultural Science, R.D.A.)
  • 조점덕 (농촌진흥청 국립원예특작과학원) ;
  • 김태성 (경상남도 농업기술원) ;
  • 김주희 (전라북도 농업기술원) ;
  • 최국선 (농촌진흥청 국립원예특작과학원) ;
  • 정봉남 (농촌진흥청 국립원예특작과학원) ;
  • 최홍수 (농촌진흥청 국립농업과학원) ;
  • 김정수 (농촌진흥청 국립농업과학원)
  • Published : 2008.12.01

Abstract

Tomato yellow leaf curl virus (TYLCV), a newly reported Geminivirus from tomato, generated recently large economic losses in Korea. Development of a fast and precise genetic diagnosis technique for detecting TYLCV which Agricultural research and extension services can utilize easy and handy is very important to prevent yield losses. Virion Capture (VC)/PCR is a simple, accurate and economical genetic detection method without any works or commercial kits for the extraction of the nucleic acid from the infected plants. Primers of twenty two for detection of TYLCV were designed and tested with extracted total DNA or crude sap from tomato leaf infected with TYLCV and healthy plant. Nine primers for total DNA using conventional PCR and another 9 primers for VC/PCR were selected eventually. Primers of six having same specificity were selected from the two methods and tested with other Geminivirus, Tobacco leaf curl virus (TLCV) by VC/PCR. Finally specific primers of four were selected for detection of TYLCV using VC/PCR, and Deng (540, 541), a degenerate primer for Geminivirus reported in 1996, was also developed for VC/PCR.

국내에서 최근 발견된 Tomato yellow leaf curl virus(TYLCV)가 토마토에 발생하여 큰 피해가 발생하였다. TYLCV의 피해 발생 예방을 위하여 농업현장의 연구지도연구기관에서 쉽고 간편하게 사용할 수 있는 조기 정밀 유전자 진단기술 개발은 매우 중요하다. TYLCV에 대해 특이적 프라이머를 제작하고 특별한 핵산분리 기술이나 도구가 필요 없는 빠르고 정확하며 경제적인 VC/PCR 진단법을 이용한 유전자 진단법을 개발하였다. TYLCV 진단용 프라이머를 22개 제작하여 감염주 및 건전 토마토의 전체 핵산을 이용해 특이성 검정으로 PCR용으로 9점을 선발하였고, VC/PCR 진단법 용으로 9종을 선발하였다. 이러한 두 가지 진단법에 모두 특이적인 프라이머를 6종을 선발한 후 TLCV로 알려진 다른 Geminivirus와의 특이성 검정결과로 총 4종이 최종 선발하였다. 이들 중 Deng(540,541) 프라이머는 Ceminivirus를 진단할 수 있는 degenerate 프라이머로 VC/PCR진단법이 개발 되었다.

Keywords

References

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