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자료유형
학술저널
저자정보
배은하 (대전국제학교) 신동민 (국제한의원) 배영민 (창원대학교 미생물학과)
저널정보
대한본초학회 대한본초학회지(본초분과학회지) 대한본초학회지 제21권 제2호
발행연도
2006.1
수록면
9 - 13 (5page)

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Objectives : To determine the DNA sequence of the 18S rRNA gene of the Rehmannia glutinosa and analyze it phylogenetically Methods : Dried root of the Rehmannia glutinosa was ground with a mortar and pestle. Glass beads(0.5 mm in diameter), TE buffer and SDS solution were added to that. The mixture was vortexed vigorously and extracted with the mixture of phenol, chloroform and isoamyl alcohol and with the mixture of the chloroform and isoamyl alcohol. The nucleic acids were precipitated with ethanol and resuspended in TE buffer. Contaminating RNA was digested with RNAse A and the DNA was purified further with the Geneclean Turbo Kit. This DNA was used as a template for amplification of the 18S rRNA gene by PCR. The PCR product was cloned in the pBluescript SK II plasmid by blunt-end ligation and the DNA sequence of the insert was determined. This DNA sequence was analyzed phylogenetically by the BLAST program. Results and Conclusion : Vortexing the ground powder of the dried plant root with glass beads during cell lysis improved recovery of DNA. The DNA sequence of the Rehmannia glutinosa 18S rRNA gene was determined and deposited at the GenBank as the accession number DQ469606. Phylogenetic analysis of that sequence showed the relationship between the members of the family of Scrophulariaceae and also the close relationship of the Buddleja davidii to the members of the Scrophulariaceae family.

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