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- W1917274161 abstract "본 연구는 옥수수 뿌리에서 cytokinin (<TEX>$N^6$</TEX>-benzyladenine; BA)과 IAA를 각각 혹은 같이 처리하여 ethylene 생성에 미치는 영향을 알아보았다. 두 호르몬을 외부에서 동시에 처리하면 ethylene 생성은 각각 처리하였을 때 보다 함께 처리하면 상승적으로 증가하였다. 예를 들면, <TEX>$10^{-4};M$</TEX> BA와 <TEX>$10^{-4};M$</TEX> IAA를 처리하면 ethylene 생성량은 각각 대조구의 87%와 170% 증가되지만 함께 처리하면 대조구의 480%가 증가된다. 이러한 상승적 효과는 에틸렌생성에 관여하는 효소인 ACC synthase의 활성과 유전자 발현 수준에서도 볼 수가 있었다. 그러나 에틸렌 생성에 관여하는 다른 효소인 ACC oxidase의 활성에서는 관찰되지 않았다. 이러한 결과는 cytokinin인 BA와 IAA가 옥수수 뿌리에서 ACC synthase에 영향을 미쳐 ethylene 생성을 상승적으로 촉진시킨다는 사실을 제시한다. This study was conducted to examine the effect of cytokinin (<TEX>$N^6$</TEX>-benzyladenine; BA) and/or an IAA on ethylene production of maize (Zea mays) primary roots. When the two hormones were applied exogenously, both hormones synergistically increased ethylene production, which was greater than the sum of the level of each hormone's effect. For example, the ethylene production was stimulated between about 87% and 170% of the control by <TEX>$10^{-4};M$</TEX> BA with <TEX>$10^{-4};M$</TEX> IAA for 8 hours respectively, whereas the ethylene production was increased by about 480% of the control when the two hormones were treated simultaneously. Such a synergistic effect was also found in changes in the activity and gene expression level of ACC synthase. However, in the case of ACC oxidase did not show any observable effects. Based on our results, it is possible to conclude that BA and IAA stimulated the ethylene production synergistically by affecting the ACC synthase in maize roots." @default.
- W1917274161 created "2016-06-24" @default.
- W1917274161 date "2010-05-30" @default.
- W1917274161 modified "2023-10-17" @default.
- W1917274161 title "Effect of Benzyladenine on the IAA-Induced Ethylene Production in the Primary Roots of Maize" @default.
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- W1917274161 doi "https://doi.org/10.5352/jls.2010.20.5.745" @default.
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