Journal of Plant Biotechnology

  • 제33권2호
  • /
  • Pages.99-104
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  • 2006
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  • 1229-2818(pISSN)
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  • 2384-1397(eISSN)
한국식물생명공학회 (The Korean Society of Plant Biotechnology)
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L. longiflorum X L. elegans의 잡종 배로부터 캘러스의 증식 및 식물체 재분화

Callus growth and plant regeneration from hybrid embryo of L. longiflorum X L. elegans

  • 윤의수 (공주대학교 생명과학과) ;
  • 권혜경 (공주대학교 생명과학과) ;
  • 조이연 (공주대학교 생물교육학과)
  • Yoon, Eui-Soo (Department of Biology, Kongju National University) ;
  • Kwon, Hye-Kyoung (Department of Biology, Kongju National University) ;
  • Cho, Yi-Yun (Department of Biology Education, Kongju National University)
  • 발행 : 2006.06.30
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⟨ 이전 논문 다음 논문 ⟩

초록

L. longifilorum Georgia $\times$ L. elegans Kakutanohikari 잡종 배로부터 유식물체를 분화시키고, 이때 유도된 캘러스의 증식과 이 캘러스로부터 유식물체 분화과정을 조직학적으로 관찰하였다. 잡종 배는 배양한 60개 절편 중 48개 절편에서 86개체의 배주가 발아되었으며, 1 mg/L NAA가 캘러스로부터 식물체의 재분화에 가장 효과적이었으며, 재분화를 억제한 캘러스만을 증식시키기 위해서는 0.1 mg/L NAA + 1 mg/L BA가 가장 양호하였다. 또한 Pyridoxin-HCI을 첨가하지 않은 경우에는 유식물체의 재분화가 거의 보이지 않았으며 50 mg/L의 Pyridoxin-HCI을 첨가한 배지에서 유식물체의 재분화가 가장 효과적이었다. 배에서 발생된 캘러스의 원형성층 지역으로부터 체세포배가 형성되었으며, NAA가 전형성층 부분에서 배발생적 세포 또는 전배 발생의 증식을 자극하는 것으로 생각되었다.

This study was performed to investigate regeneration of plants differentiated from hybrid embryos between L. longifilorum Georgia and L. elegans Kakutanohikari. In addition, proliferation of callus and process of differentiation were investigated by histological observation. The germination of hybrid embryos was observed in 86 individuals from 48 slice cultures. Plant regeneration was effective on a medium supplemented with 1 mg/L HPh, and only callus proliferation was the highest in combination of 0.1 mg/L HPh and 1 mg/L BA. Also, plant regeneration was the most effective on a medium supplemented with 50 mg/L pyridoxine. We concluded that somatic embryos were formed from procambium of callus and proliferation of embryonic or proembryonic cells were stimulated with NAA from procambial cells.

키워드

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