Article
Specific oxidative cleavage of carotenoids by VP14 of maize.
Science (New York, N.Y.) - 20 Jun 1997
Schwartz S H, Tan B C, Gage D A, Zeevaart J A, McCarty D R
Abstract excerpt
The plant growth regulator abscisic acid (ABA) is formed by the oxidative cleavage of an epoxy-carotenoid. The synthesis of other apocarotenoids, such as vitamin A in animals, may occur by a similar mechanism. In ABA biosynthesis, oxidative cleavage is the first committed reaction and is believed to be the key regulatory step. A new ABA-deficient mutant of maize has been identified and the corresponding gene,...
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