Control of abscisic acid synthesis

The abscisic acid (ABA) biosynthetic pathway involves the formation of a 9-cis-epoxycarotenoid precursor. Oxidative cleavage then results in the formation of xanthoxin, which is subsequently converted to ABA. A number of steps in the pathway may control ABA synthesis, but particular attention has be...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 51(2000), 350 vom: 22. Sept., Seite 1563-74
1. Verfasser: Taylor, I B (VerfasserIn)
Weitere Verfasser: Burbidge, A, Thompson, A J
Format: Aufsatz
Sprache:English
Veröffentlicht: 2000
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Review Plant Proteins Abscisic Acid 72S9A8J5GW Oxidoreductases EC 1.- zeaxanthin epoxidase Oxygenases EC 1.13.- mehr... Dioxygenases EC 1.13.11.- 9-cis-epoxy-carotenoid dioxygenase EC 1.13.11.51 Aldehyde Oxidoreductases EC 1.2.- Aldehyde Oxidase EC 1.2.3.1
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520 |a The abscisic acid (ABA) biosynthetic pathway involves the formation of a 9-cis-epoxycarotenoid precursor. Oxidative cleavage then results in the formation of xanthoxin, which is subsequently converted to ABA. A number of steps in the pathway may control ABA synthesis, but particular attention has been given to the enzyme involved in the oxidative cleavage reaction, i.e. 9-cis-epoxycarotenoid dioxygenase (NCED). Cloning of a gene encoding this enzyme in maize was first reported in 1997. Mapping and DNA sequencing studies indicated that a wilty tomato mutant was due to a deletion in the gene encoding an enzyme with a very similar amino acid sequence to this maize NCED. The potential use of this gene in altering ABA content will be discussed together with other genes encoding ABA biosynthetic enzymes 
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700 1 |a Thompson, A J  |e verfasserin  |4 aut 
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