Tomato flacca mutant is impaired in ABA aldehyde oxidase and xanthine dehydrogenase activities

被引：0
作者：
Marin, E [1 ]
MarionPoll, A [1 ]
机构：
[1] INRA,BIOL CELLULAIRE LAB,F-78026 VERSAILLES,FRANCE
来源：
PLANT PHYSIOLOGY AND BIOCHEMISTRY | 1997年 / 35卷 / 05期
关键词：
abscisic acid; molybdenum cofactor; tomato; flacca; sitiens; Lycopersicon esculentum;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The wilty mutants flacca (flc) and sitiens (sit) of tomato (Lycopersicon esculentum) are both impaired in the final step of abscisic acid (ABA) biosynthesis, which is assumed to be catalysed by a molybdoenzyme, ABA aldehyde oxidase. Mutant flc is lacking two enzymatic activities requiring a molybdenum cofactor (MoCo): xanthine dehydrogenase (XDH; EC 1.1.1.204) and aldehyde oxidase (EC 1.2.3.1), therefore it likely is a MoCo-deficient mutant, as aba1 of Nicotiana plumbaginifolia.
引用
收藏
页码：369 / 372
页数：4
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