Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Phylogenetic Analysis of Dendropanax morbifera Using Nuclear Ribosomal DNA Internal Transcribed Spacer (ITS) Region Sequences

Internal transcribed spacer (ITS) region의 염기서열 분석에 의한 보길도산 황칠나무의 분자 계통학적 연구

  • Shin, Yong Kook (School of Integrated Oriental Medical Bioscience, Semyung University)
  • 신용국 (세명대학교 한방바이오융합과학부)
  • Received : 2016.10.12
  • Accepted : 2016.10.23
  • Published : 2016.11.30
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Abstract

Dendropanax morbifera is an endemic tree species of Korea, it is restricted to the southern parts of Korea. The internal transcribed spacer (ITS) region of nuclear ribosomal DNA (nrDNA) for Dendropanax morbifera grown at Bogil-do, Korea was determined. We investigated the sequence-based phylogenetic relationships of plants related and clarified its taxonomical position. The determined sequences consisted of 689 residues. ITS1 was 222 bp long while ITS2 was 233 bp long. The 5.8S rDNA was 160 bp long. The ITS region sequences of the Dendropanax species included in this study were obtained from GenBank. Oreopanax polycephalus was used as the outgroup. A pairwise alignment was calculated using the Clustal X program. A phylogenetic tree was constructed by the neighbor-joining method using the Tree view program. Sequence similarities among species including D. morbifera Bogil-do isolate showed the range 92.6 to 99.7% in sequence-based phylogenetic analysis using total 615 base pairs of ITS1, 5.8S rDNA and ITS2. D. morbifera Bogil-do isolate exhibited the highest degree of relatedness to D. chevalieri, sharing 99.7% ITS region similarity. D. morbifera Bogil-do isolate also showed to D. trifidus, sharing 99.4% ITS region similarity.

보길도에서 자라고 있는 황칠나무(Dendropanax morbifera)를 구입하여, 캘러스로 유도한 후, ribosomal DNA(nrDNA)의 internal transcribed spacer (ITS) region의 염기서열을 결정하였다 보길도의 황칠나무(Dendropanax morbifera)의 ITS region의 염기서열을 분석한 결과, 총 689염기를 결정하였다. 결정된 689염기 중에서 ITS1은 222 개염기, 5.8S rDNA는 160염기, ITS2는 233염기인 것으로 판명되었다. GenBank의 BLAST 프로그램(http://www.ncbi.nlm.nih.BLAST)을 사용하여 GenBank/EMBL/DDBJ에 등록되어 있는 Dendropanax 속 33의 염기서열을 수집한 후 multiple alignment를 수행한 결과, 유사도는 99.7%(D. chevalieri)에서 92.6%(Dendropanax arboreus)로 나타났으며, 일본황칠나무(D. trifidus)와는 유사도가 99.4%로 판명되었다.

Keywords

References

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