Journal of Plant Biotechnology

  • 제39권2호
  • /
  • Pages.93-98
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  • 2012
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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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소나무의 체세포배 유도 및 발아에 미치는 ABA, 삼투압제 및 배발생조직 라인 효과

Effects of ABA, osmoticum and embryogenic tissue lines for somatic embryo induction and germination in Pinus densiflora

  • 김용욱 (국립산림과학원 산림생명공학과) ;
  • 문흥규 (국립산림과학원 산림생명공학과)
  • Kim, Yong-Wook (Division of Forest Biotechnology, Korea Forest Research Institute) ;
  • Moon, Heung-Kyu (Division of Forest Biotechnology, Korea Forest Research Institute)
  • 투고 : 2012.05.07
  • 심사 : 2012.05.25
  • 발행 : 2012.06.30
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초록

본 연구는 소나무의 삼투압제 종류 및 농도, gelrite 농도에 따른 체세포배 발생 및 abscisic acid (ABA) 농도, 배발생 조직 라인에 따른 체세포배 발아 효과를 조사하기 위해 수행되었다. 삼투압제 종류 및 농도에 따른 체세포배 발생비교에서 최대의 체세포배 유도 수는 0.1 M maltose+3.75% polyethylen glycol (PEG) 4000 처리구에서 45개 (/90 mg FW)로 나타났으며, 0.2 M maltose 처리구 또한 41개로 효과가 있었다. Gelrite 농도에 따른 체세포배 발생비교에서 0.4 및 0.6%의 농도에서는 전혀 체세포배가 유도되지 않았으며, 0.8% 이상의 농도부터 체세포배가 발생되는 경향을 보였다. 최대 체세포배 유도 수는 1.0% gelrite에서 41개로 가장 높은 유도 수를 보였으며, 0.8 혹은 1.2%에서의 농도에서 또한 각각 37.3 및 39.7개로 높은 유도수를 보여 0.8% gelrite 이상에서 체세포배 유도 효과가 있었다. ABA농도, 배발생조직 라인 및 활성탄 첨가에 따른 체세포배 발아율 비교에서 06-6조직라인의 경우 150 혹은 $200{\mu}M$ ABA 처리구 유래 체세포배를 0.2% 활성탄첨가 배지에서 배양한 경우 45%의 최대 발아율을 보였다. 활성탄 무첨가 배지의 경우 최대 발아율은 06-6라인, $250{\mu}M$ ABA 처리구 유래 체세포배에서 28.9%로 나타났다.

This study was conducted to evaluate effects of somatic embryos (SEs) induction with different kinds and concentrations of osmoticum, with gelrite and SEs germination with different abscisic acid (ABA) and embryogenic tissue lines (ETLs) in Japanese red pine (Pinus densiflora). In comparison of somatic embryos induction with different kinds and concentrations of osmoticum, the highest record (45/90 mg FW) was obtained from the treatment of 0.1 M maltose+3.75% PEG 4000. In addition, the higher one was also recorded from 0.2 M maltose (41 SEs), it turned out this treatment was also effective in induction of SEs with previous one. In effects of various gelrite concentrations for SEs production, no SEs were occurred in the treatment of 0.4 or 0.6% gelrite, however, the highest no. of SEs shown in 1.0% gellrite (41 SEs), and some comparable results were also marked with 0.8 (37.3 SEs) or 1.2% (39.7 SEs) gelrite. Therefore, SEs can be produced from above 0.8% concentration of gelrite. Finally, in comparison of SEs germination with different concentrations of ABA, ETLs, and AC, the best germination rates (45%) were obtained from the SEs derived from both concentrations of 150 and $200{\mu}M$ ABA in 06-6 ETL and when cultured on germination supplemented with 0.2% AC. When SEs were cultured on germination medium without AC, best germination rate (28.9%) came from the SEs which cultured on $250{\mu}M$ ABA in 06-6 ETL.

키워드

참고문헌

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