한국식물병리학회지 (Korean Journal Plant Pathology)
- 제14권4호
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- Pages.308-313
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- 1998
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- 0256-8608(pISSN)
PCR기법을 이용한 오이 모자이크 바이러스 개나리 분리주(CMV-Fk)의 동정과 구분
Identification and Differentiation of Cucumber Mosaic Virus Isolated from Forsythia koreana (CMV-Fk) Using PCR Techniques
초록
Reverse transcription and polymerase chain reaction (RT-PCR) techiniques were used to identification and differentiation of cucumber mosaic virus isolated from Forsythia koreana (CMV-Fk). RT-PCT used by two set of 20-mer primers one was CMV-common primers and another was CMV subgroup I-specific primers designed in a conserved region of the 3' end of CMV RNA3, amplified about 490 bp and 200 bp DNA fragments from CMV-Fk, respectively. CMV could be detected by RT-PCR at a dilution as low as 10-4 in forsythia crude sap extracts. Restriction enzyme analysis of RT-PCR products using EcoRI and MspI showed that CMV-Fk belonged to CMV subgroup I. But, analysis of RNA fingerprinting by arbitrarily primed polymerase chain reaction (RAP-PCR) showed heterogeneity of RNA3 between CMV-Fk and CMV-Y as a member of subgroup I.