Molecular mechanism of the control of nyctinastic leaf-movement in Lespedeza cuneata G. Don

被引：39

作者：

Ohnuki, T ^{[1
]}

Ueda, M ^{[1
]}

Yamamura, S ^{[1
]}

机构：

[1] Keio Univ, Fac Sci & Technol, Dept Chem, Yokohama, Kanagawa 223, Japan

来源：

TETRAHEDRON | 1998年 / 54卷 / 40期

关键词：

biologically active compounds; biosynthesis; enzymes and enzyme reaction; natural products;

D O I：

10.1016/S0040-4020(98)00747-9

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The nyctinastic leaf-movement of plants is controlled by an endogenous biological clock. In a nyctinastic plant, Lespedeza cuneata G. Don, this movement is controlled by the balance of the concentration between the leaf-closing and -opening substances. Quantitative HPLC analysis revealed that the change in the concentration of this leaf-opening substance is inversed through a day, and the deactivation of this substance is performed by a glucosidase whose activity is controlled by a biological clock. The leaf-movement of nyctinastic plants is caused by the balance of two leaf-movement factors, which is controlled by the enzymatic transformation. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：12173 / 12184

页数：12

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