ABSCISIC-ACID METABOLISM - VACUOLAR EXTRAVACUOLAR DISTRIBUTION OF METABOLITES

被引：42

作者：

LEHMANN, H

GLUND, K

机构：

[1] ACAD SCI GDR, INST PLANT BIOCHEM, WEINBERG 3, DDR-4010 HALLE, GER DEM REP

[2] MARTIN LUTHER UNIV, SEKT BIOWISSENSCH, WISSENSCH BEREICH BIOCHEM, PFLANZENBIOCHEM ABT, DDR-4020 HALLE, GER DEM REP

来源：

PLANTA | 1986年 / 168卷 / 04期

关键词：

D O I：

10.1007/BF00392276

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The biotransformation of abscisic acid (ABA) was studied in cell suspension cultures of Lycopersicon esculentum. The ABA was converted by the cells to phaseic acid, nigellic acid, dihydrophaseic acid, abscisic acid-.beta.-D-glucopyranosyl ester (ABA-Glc) and other ABA and phaseic acid conjugates. Investigation of their cellular distribution showed that the conjugated forms were located only in the vasuoles whereas ABA and its acidic metabolites were found mainly in the extravacuolar fractions. Our results, together with a number of studies on the increase of ABA-Glc as a response to stress, allow us to propose that ABA-Glc is irreversibly compartmented in the vacuoles of plant cells.

引用

页码：559 / 562

页数：4

共 18 条

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