Journal
ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS
Volume 430, Issue 1, Pages 16-21Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.abb.2004.06.028
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Carotenoids are isoprenoid pigmented compounds that are present in representatives from practically all eukaryotic and prokaryotic taxa. In plants, carotenoids are synthesized and normally sequestered in plastids as lipophilic C-40 constituents. However, they are also subjected to oxidative remodeling initiated by specific carotenoid cleavage dioxygenases. Primary products resulting from these reactions undergo modifications involving oxido-reduction, dehydratation rearrangement, and glycosylation. This review focuses on only a few of these derivatives for which the enzymes and genes involved have been characterized. The compartmentation of this metabolism and its significance have also been considered. paired right arrows 2004 Elsevier Inc. All rights reserved.
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