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Lange BM, Ghassemian M: Genome organization in Arabidopsis thaliana: a survey for genes involved in isoprenoid and chlorophyll metabolism. Plant Mol Biol. 2003 Apr;51(6):925-48.
The isoprenoid biosynthetic pathway provides intermediates for the synthesis of a multitude of natural products which serve numerous biochemical functions in plants: sterols (isoprenoids with a C30 backbone) are essential components of membranes; carotenoids (C40) and chlorophylls (which contain a C20 isoprenoid side-chain) act as photosynthetic pigments; plastoquinone, phylloquinone and ubiquinone (all of which contain long isoprenoid side-chains) participate in electron transport chains; gibberellins (C20), brassinosteroids (C30) and abscisic acid (C15) are phytohormones derived from isoprenoid intermediates; prenylation of proteins (with C15 or C20 isoprenoid moieties) may mediate subcellular targeting and regulation of activity; and several monoterpenes (C10), sesquiterpenes (C15) and diterpenes (C20) have been demonstrated to be involved in plant defense. |
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