生长素诱导乙烯生成的机制。
Mechanism of Auxin-induced Ethylene Production.
机构信息
The Fairchild Tropical Garden, Miami, Florida 33156.
出版信息
Plant Physiol. 1971 Apr;47(4):504-9. doi: 10.1104/pp.47.4.504.
Abstract
Indoleacetic acid-induced ethylene production and growth in excised segments of etiolated pea shoots (Pisum sativum L. var. Alaska) parallels the free indoleacetic acid level in the tissue which in turn depends upon the rate of indoleacetic acid conjugation and decarboxylation. Both ethylene synthesis and growth require the presence of more than a threshold level of free endogenous indoleacetic acid, but in etiolated tissue the rate of ethylene production saturates at a high concentration and the rate of growth at a lower concentration of indoleacetic acid. Auxin stimulation of ethylene synthesis is not mediated by induction of peroxidase; to the contrary, the products of the auxin action which induce growth and ethylene synthesis are highly labile.
摘要
吲哚乙酸诱导的乙烯产生和生长在黄化豌豆芽切段（Pisum sativum L. var. Alaska）中与组织中的游离吲哚乙酸水平平行，而游离吲哚乙酸水平又取决于吲哚乙酸的结合和脱羧速率。乙烯合成和生长都需要超过一个阈值水平的内源性游离吲哚乙酸，但在黄化组织中，乙烯的产生速率在高浓度下达到饱和，而生长速率在较低浓度的吲哚乙酸下达到饱和。生长素刺激乙烯合成不是通过诱导过氧化物酶介导的；相反，诱导生长和乙烯合成的生长素作用产物是高度不稳定的。
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本文引用的文献
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Timing of the auxin response in etiolated pea stem sections.黄化豌豆茎段中生长素反应的时间
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Ethylene and auxin participation in pollen induced fading of vanda orchid blossoms.乙烯和生长素参与蝴蝶兰花朵的花粉诱导凋谢。
Plant Physiol. 1967 Nov;42(11):1648-50. doi: 10.1104/pp.42.11.1648.
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An effect of light on the production of ethylene and the growth of the plumular portion of etiolated pea seedlings.光照对黄化豌豆幼苗乙烯生成及胚轴部分生长的影响。
Plant Physiol. 1967 Aug;42(8):1077-80. doi: 10.1104/pp.42.8.1077.
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