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Tobamoviruses of Green Peppers Growing on Hydroponic Systems

풋고추 수경재배에서 발생하는 tobamovirus의 특성

  • Published : 2004.09.01

Abstract

Incidence of tobamovirus diseases was 100% at late growth stage of green pepper on hydroponic systems in plastic house. Infection frequency of the diseases showed 34% of Pepper mild mottle virus (PMMoV), 41.5% of Tobacco mild green mottle virus (TMGMV), and 24.5% of the co-infected viruses. The two viruses specifically reacted in DAS-ELISA prepared with each polyclonal antibody. A total of 77 pure tobamovirus isolates obtained from the crops was tested for pathotype determination. The isolation frequency of tobamovirus pathotype $P_{0}$ and $P_{1,2}$ was 61 % and 39%, respectively. All TMGMV isolates belonged to the pathotype $P_{0}$. In restriction enzyme analysis of the cDNAs synthesized with coat protein gene of PMMoV pathotype $P_{0}$ and $P_{1,2}$, the former had two TaqI sites but the later had one.one.

풋고추 수경재배에서 tobamovirus 병의 발병률은 생육 후기 단계에서 100%였다 바이러스 종류별 감염 빈도는 PMMOY 34%, TMGMY 41.5% 및 이들 2종의 바이러스 복합감염이 24.5%로 나타났다. 다클론 항체로 제작된 DAS-ELISA에서 각각의 항체에 대하여 특이적인 반응을 보였다. 수경재배하는 풋고추에서 77개의 tobamovirus를 순수분리하여 tobamovirus의 pathotype을 구분한 결과, $P_{0}$은 61% 및 $P_{1,2}$는 39% 빈도로 분리되었다. 모든 TMGMV 분리주는 pathotype $P_{0}$에 속하였다. PMMOY에서 구분된 pathotype $P_{0}$$P_{1,2}$의 외피단백질유전자에 상응하는 cDNA를 합성하여 제한효소에 대한 분석을 실시한 결과, $P_{1,2}$는 TaqI 위치가 두 곳에 존재하였으나 $P_{0}$은 단지 한 곳에만 존재하였다.존재하였다.

Keywords

References

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