培养的野胡萝卜组织中的光敏色素。I. 合成。
Phytochrome in cultured wild carrot tissue. I. Synthesis.
机构信息
Biological Sciences Group, University of Connecticut, Storrs, Connecticut 06268.
出版信息
Plant Physiol. 1969 Dec;44(12):1734-7. doi: 10.1104/pp.44.12.1734.
Abstract
Stable levels of P(FR) occur in light-grown suspension cultures of wild carrot. Upon darkening such tissue, P(R) accumulates until the high P(R) level characteristics of dark-grown tissue is reached. Data are compatible with the idea of an equilibrium between processes of synthesis and destruction in tissue grown in the light. Reappearance of phytochrome also follows light-induced pigment destruction in dark-grown tissue. The rate of P(R) appearance is similar in both cases. The rate of disappearance of P(FR), however, is slower in light-grown tissue than in dark-grown tissue.
摘要
在野生胡萝卜的光培养悬浮培养物中，P(FR)水平稳定。当这种组织变暗时，P(R)会积累，直到达到暗培养组织的高 P(R)水平特征。这些数据与在光下生长的组织中合成和破坏过程之间存在平衡的观点是一致的。在黑暗中生长的组织中，phytochrome 的重新出现也遵循光诱导色素破坏的规律。在这两种情况下，P(R)的出现速率相似。然而，在光培养组织中，P(FR)的消失速度比在暗培养组织中慢。
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