Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Selection of Active Grow Hairy Root Lines in Ginseng

고생장 인삼 모상근의 선발

  • 양덕춘 (한국인삼연초연구원 유전생리부) ;
  • 김용해 (한국인삼연초연구원 유전생리부) ;
  • 양덕조 (충북대학교 생명과학부) ;
  • 민병훈 (배재대학교 원예학과) ;
  • 신성련 (중부대학교 원예학과) ;
  • 최광태 (한국인삼연초연구원 유전생리부)
  • Published : 1998.11.01
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Abstract

These studies were carried out to select the active grow hairy root lines induced from various ginseng(Panax ginseng C. A. Meyer) parts. Hairy roots were induced in root explants, stem and petiole in vitro by A. rhizogenes R1000 or A. rhizogenes $A_4$. These hairy roots could be grown on the phytohormone free medium, and PCR analysis of rol C and vir C gene fragments confirmed that hairy roots were transgenic tissues. We have selected 11 hairy root lines with active growing characters among 300 hairy root lines selected based on growth and morphological characteristics on 1/2MS solid media with 250 mg/L carbenicillin. Morphological characteristics of selected 11 hairy root lines were thickness and thiness of main roots, and many projection for lateral roots, active grow of lateral roots. Among selected 11 hair root lines prominent characteristics of hairy roots with active growing characters were thiness of main roots and active grow of lateral roots. But characteristics of low growing hairy roots were thickness of main roots and low grow of lateral roots. Finally we have selected actively growing hairy roots, KGHR-1, KGHR-5, KGHR-8 among 11 hairy root lines.

인삼의 뿌리절편, 줄기, 엽병에 Agrobacterium을 접종하여 고생장 모상근을 선발하고자 수행하였다. 인삼 뿌리 절편에서 A. rhizogenes R1000과 A. rhizogenes $A_4$에 의하여 모상근이 유도되었으며, 인삼의 줄기 및 엽병에서도 모상근이 유도되었다. 유도된 모상근은 rolC및 virC DNA절편의 확인으로 형질전환체임을 확인하였으며, 균이 제거된 모상근을 선발하였다. 선발된 모상근 300 세포주중 성장과 형태적 특징이 뚜렷한 11 모상근을 선발하였다. 이들 모상근은 주근이 비후된 것, 주근이 가는 것, 측근의 돌기가 많은 것, 측근의 생장이 높은 것 등의 특징을 나타내었다. 이들 11 모상근중 주근이 가늘고 측근의 생장이 왕성한 형태가 모상근의 생장이 좋았으며, 주근이 비후되고 측근의 돌기가 많은 형태는 생장이 낮았다. 본 연구에서 인삼 뿌리절편으로부터 고생장 모상근인 KGHR-1, KGHR-5, KGHR-8을 선발하였다.

Keywords

References

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