Shoot Regeneration from the Leaf Explants of Tetragonia tetragonoides $O.\;K_{UNTZE}$

번행초의 잎 절편으로부터 신초의 재분화

  • Hwang, Sung-Jin (Department of Food and Biotechnology, Dongshin University) ;
  • Pyo, Byoung-Sik (Department of Food and Biotechnology, Dongshin University) ;
  • Hwang, Baik (Department of Biology, Chonnam National University)
  • 황성진 (동신대학교 식품생물공학과) ;
  • 표병식 (동신대학교 식품생물공학과) ;
  • 황백 (전남대학교 생물학과)
  • Published : 2002.06.30

Abstract

A protocol has been developed for differentiation of adventitious shoots directly from leaf segments of Tetragonia tetragonoides O. Kuntze. Murashige and Skoog (MS) medium supplemented with 2 mg/L $N^6-benzyladenine$ (BA) and 0.5 mg/L ${\alpha}-naphthaleneacetic$ acid (NAA) supported the induction of adventitious shoots from leaf explants. Adventitious shoots were multiplied by subculturing on the double strength MS (2MS) medium supplemented with 0.5 mg/L NAA and 2 mg/L BA. Shoots were rooted on MS basal medium without any growth regulators.

번행초(Tetragonia tetragonoides)의 잎 절편으로부터 기내(in vitro) 증식을 유도 하였다. 2 mg/L BA와 0.5 mg/L NAA가 조합 처리된 MS 기본배지에서 잎 절편으로부터 직접 기관형성 과정을 통하여 부정아가 형성 되었다. 유기한 부정아는 절취하여 2 mg/L NAA와 0.5 mg/L BA이 첨가된 MS배지로 옮겨 유묘의 대량 증식을 시도하였으며, 배양 3주 후 신초의 지속적인 성장을 위해 무기염의 농도가 두배로 증가된 2MS배지로 옮겨 배양 하였다. 증식된 신초로부터 발근은 식물성장조절물질이 첨가되지 않은 1/2MS와 MS배지 모두에서 이루어 졌다.

Keywords

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