Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Plantlet Formation and Somatic Embryogenesis from the penduncle explants of wild Corydalis remota for. peatinata

야생 현호색 (Corydalis remota for. peatinata)의 꽃자루로부터 체세포배 발생과 소식물체형성

  • 천우재 (동국대학교 자연과학대학 생물학과) ;
  • 이대원 (동국대학교 자연과학대학 생물학과)
  • Published : 1999.01.01
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Abstract

For the induction of somatic embryogenic callus, the penduncle explants of Corydalis remota for peatinata were cultured on MS basal media supplemented with 2,4-D, kinetin and zeatin. The highest embryogenic callus formation was observed on the media containing 2.0 mg/L of 2,4-D and 2.0 mg/L of zeatin. The somatic embryogenesis on the media with 0.5 mg/L of cytokinin (zeatin or kinetin) were excellent under light condition, however somatic embryos abnormally developed into plantlets. Normal dicotyledonary plantlets were found on MS medium supplemented with 1.0 mg/L of zeatin. When MS medium with 2,4-D plus cytokinin and with BAP were used, the secondary somatic embryogenesis took place in root explants of the regenerants derived from in vitro somatic embryogenic callus.

Corydalis remota for. peatinata의 꽃자루에서 캘러스를 유도한 후 MS기본배지에 생장조절물질을 첨가하여 체세포 배발생 및 재분화를 시도하였다. 생장조절 물질에 따른 캘러스 유도율을 비교하면 2,4-D 2.0 mg/L 에 zeatin 2.0 mg/L를 혼용 처리한 배지에서 아주 양호한 캘러스 유도 및 생장율을 나타냈다. 식물생장조절물질 또는 호르몬 첨가에 의한 체세포 배의 발생율은 광조건에서 cytokinin류의 농도가 0.5mg/L 단독 첨가한 배지에서 가장 높았다. 또한 발생된 부정배중 MS기본배지에 zeatin 1.0mg/L을 단독처리한 경우가 가장 쌍자엽형성율이 높은 것으로 나타났다. 또한 2,4-D를 미량 첨가하고 cytokinin류를 혼용첨가한 배지나 BAP를 단독 처리한 배지에서는 소식물체의 배지 접지면인 뿌리부분에 활발한 2차 배발생이 나타났다.

Keywords

References

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