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Article

The evolution and function of carotenoid hydroxylases in Arabidopsis.

Plant & cell physiology - 1 Mar 2009

Kim Joonyul, Smith James J, Tian Li, Dellapenna Dean

Abstract excerpt

To gain insight into the evolution of xanthophyll synthesis in Arabidopsis thaliana, we analyzed two pairs of duplicated carotenoid hydroxylase enzymes in Arabidopsis thaliana: the cytochrome P450 enzymes CYP97A3 and CYP97C1, and non-heme di-iron enzymes, BCH1 and BCH2. Hydroxylated carotenes did not accumulate in a quadruple mutant for these four genes, demonstrating that they encode the full complement of...

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PMID: 19147649
DOI: 10.1093/pcp/pcp005

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