Concentration and Metabolic Turnover of Indoles in Germinating Kernels of Zea mays L.
作者： Ephraim Epstein , Jerry D. Cohen , Robert S. Bandurski
DOI: 10.1104/PP.65.3.415
关键词: Inositol 、 Germination 、 Botany 、 Biology 、 Tryptamine 、 Tryptophan 、 Shoot 、 Endosperm 、 Seedling 、 Metabolism
摘要: The amounts and rates of metabolic turnover the indolylic compounds in germinating kernels sweet corn were determined. Knowledge pool size rate has permitted: ( a ) identification indole-3-acetyl- myo -inositol as major chemical form for transport indole-3-acetic acid (IAA) from endosperm to shoot; b demonstration that free IAA is turning over rapidly with half-life 3.2 hours; c esters immediate precursors d neither tryptophan nor tryptamine precursor seed or e IAA- glycosides -inositol. It concluded seedlings Zea mays utilize IAA, not its derivatives, requirements seedling.
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