KSBB Journal

The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Effects of Jasmonic Acid-Cellulase Combined Elicitors on the Paclitaxel Production in Suspension Cultures of Taxus wallichiana Zucc

Taxus wallichiana Zucc. 현탁세포에서 Jasmonic Acid-Cellulase 복합 Elicitor가 Paclitaxel 생합성에 미치는 영향

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  • 변상요 (아주대학교 대학원 응용생명공학과)
  • Received : 2010.03.27
  • Accepted : 2010.04.24
  • Published : 2010.04.28
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Abstract

Cell cultures of Taxus wallichiana Zucc. were made to enhance the production of anticancer agent paclitaxel. In suspension cultures, the maximum cell growth rate in exponential growth phase was 0.14 $day^{-1}$ which was correlated to 4.96 days of cell doubling time. The production of paclitaxel was non-growth associated. The paclitaxel production was started after the exponential growth phase and increased to declined phase where the maximum concentration was observed. Various elicitors were tested to enhance the production of paclitaxel. The combination of two elicitors of jasmonic acid and cellulase increased the production of paclitaxel 1.8 and 3.1 times compared to paclitaxel production by individual elicitor respectively.

Taxus wallichiana Zucc. 현탁세포배양에서 항암제 paclitaxel 생합성 연구를 수행하였다. 현탁세포배양에서 exponential phase의 최고 생장 속도는 0.14 $day^{-1}$이었으며 배가시간이 4.96 day이었다. Paclitaxel은 배양초기에 생성되지 않고 exponential phase 말기부터 서서히 생성되어 stationary phase에서도 이어지며 declined phase에서 최고치를 나타내었다. Paclitaxel의 생산을 촉진하기 위하여 elicitor를 사용하였다. 여러 elicitor 중 jasmonic acid와 cellulase가 paclitaxel의 생성을 증가시켰다. Elicitor는 접종과 동시에 투여했을 때 가장 효과가 좋았으며, jasmonic acid와 cellulase의 combination으로 효과가 더욱 증진했는데 각각 투여할 때보다 1.8배 및 3.1배 paclitaxel 생성이 증가되었다.

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References

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