ITS 부위의PCR-RFLP 및 STS 마커를 이용한 차가버섯의 종 및 계통간 유연관계 분석
Identification and Phylogenetic Relationships of Inonotus obliquus Strains by PCR-RFLP of ITS sequences and STS markers
Because the import of Inonotus obliquus have been rapidly increased in Korea, we developed the Inonotus species-specific marker by using various sequences including ITS sequences, PCR-RFLP and STS primers and used this marker to determine both genetic relatedness and strains discrimination of Inonotus spp. Total 17 different Inonotus spp. were examined by using ITS sequences and classified into 2 different groups. One strain, ASI74008 isolated from Kamchaka island of Siberia, showed the high sequence identity (98%) at the nucleotide level to the other I. obliquus DSM strain, indicating the ASI74008 belong to I . obliquus species. Comparison of banding patterns after restriction enzyme digestions with PCR amplicons of ITS region revealed some variations depending on the species and strains. However, PCR products amplified with STS primer showed species specific patterns.Therefore, use of both STS primers and PCR-RFLP could help for better strain identification.
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ABSTRACT 서론 재료 및 방법 균주분리 및 배양 DNA 추출 및 PCR 증폭 염기서열 및 유연관계 분석 결과 및 고찰 적요 참고문헌