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Detection of Pseudomonas syringae pv. actinidiae in Soil on the Basis of PCR Amplification

PCR을 통한 토양에서 Pseudomonas syringae pv. actinidiae의 검출

  • Published : 2004.12.01

Abstract

Pseudomonas syringae pv. actinidiae is the causative agent of bacterial canker in kiwifruit. A nested PCR detection method that uses primers designed from the cfl gene, involved in production of the phytotoxin coronatine, was applied on soil samples. These primers yielded 665 and 310-bp fragments in consecutive PCR amplification step with DNA from soil inoculated with Korean strain of P. syringae pv. actinidiae. This system was applied to survey soil samples from a kiwifruit orchard destroyed by bacterial canker. A specific 310-bp PCR product was obtained from all six samples of soil tested.

Pseudomonas syringae pv. actinidiae는 참다래 궤양병을 일으키는 세균이다. 식물독소인 coronatine 생합성에 관여하는 유전자 중 하나인 cfl의 염기서열로부터 설계된 primer를 사용한 nested PCR 방법을 토양시료에 적용시켰다. 이 primer 세트와 우리나라에서 분리된 P. syringae pv. actinidiae가 접종된 토양으로부터 얻은 DNA로 두 번의 PCR을 행했을 때 665 bp와 310 bp의 절편이 각각 증폭되었다. 이 시스템을 참다래 궤양병으로 폐원된 과수원의 토양조사에 적용시킨 결과 여섯 곳으로부터 채취한 토양시료 모두에서 특이적인 310 bp의 PCR 산물이 증폭되었다.

Keywords

References

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