Abstract
현재까지 벼 줄무의잎마름병(Rice stripe virus, RSV)은 남부지방에 국한되어 발생되어 왔다. 그러나 최근에는 RSV의 발생이 충청도, 경기도를 포함한 중부지방까지 확산되는 경향을 나타내고 있다. 이병의 병징은 육안으로는 생리적인 장해 현상과 구분하기가 힘들다 본 실험에서는 이병주 및 애멸구(Laodelphax striatellus)로 부터 viral RNA를 추출한 후 RNA복제효소 및 외피단백질유전자에 특이적인 primer를 제작하여 RT-PCR법에 의해 RSV를 검정하였다. 그결과 이병식물체 및 보독 애멸구로부터 RNA복제효소 유전자에 특이적인 band(1,023 bp) 및 외피단백질유전자에 특이적인 band(969 bp)가 관찰되었다. Until now, occurrence of rice stripe virus (RSV) is limitted in southern part of Korea. However, recently the occurrence of RSV is increased and spreaded in central part of Korea including Chungcheong and Kyonggi province. It is very difficult to distinguish RSV symptoms on virus symptom physiological damage of rice. We detected RSV viral RNA from infected rice and its insect vector Laodelphax striatellus using specific primer of RSV-polymerase and coat protein gene with reverse transcription (RT)-PCR. The result of RT-PCR, we observed specific band including RSV-polymerase (1,,023 bp) and CP (969 bp) in both host of rice and insect vector.
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