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萝卜下胚轴向光性研究:I. 参与萝卜下胚轴向光性的生长抑制剂顺式和反式黎芦烷素和萝卜酰胺的分离与鉴定。

Phototropism in Hypocotyls of Radish : I. Isolation and Identification of Growth Inhibitors, cis- and trans-Raphanusanins and Raphanusamide, Involved in Phototropism of Radish Hypocotyls.

机构信息

Biological Institute, College of Liberal Arts, Kagoshima University, Korimoto 1-21-30, Kagoshima 890, Japan.

出版信息

Plant Physiol. 1986 Aug;81(4):976-9. doi: 10.1104/pp.81.4.976.

Abstract

Three growth inhibitors which might be involved in phototropism of Sakurajima radish (Raphanus sativus var. hortensis f. gigantissimus Makino) hypocotyls, were isolated as crystalline forms from light-exposed radish seedlings and identified as cis- and trans-raphanusanins and 6-methoxy-2,3,4,5-tetrahydro-1,3-oxazepin-2-one (designated raphanusamide). The cis- and trans-raphanusanins inhibited growth of etiolated radish hypocotyls at concentrations higher than 1.5 micromolar, raphanusamide at concentrations higher than 20 micromolar.

摘要

从暴露在光线下的萝卜幼苗中分离出三种可能参与樱岛萝卜(Raphanus sativus var. hortensis f. gigantissimus Makino)下胚轴向光性的生长抑制剂,它们以结晶形式存在,并被鉴定为顺式和反式莱菔硫烷以及 6-甲氧基-2,3,4,5-四氢-1,3-恶唑-2-酮(命名为莱菔酰胺)。顺式和反式莱菔硫烷在浓度高于 1.5 微摩尔时抑制黄化萝卜下胚轴的生长,莱菔酰胺在浓度高于 20 微摩尔时抑制生长。

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