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Article

Tyrosine Hydroxylation in Betalain Pigment Biosynthesis Is Performed by Cytochrome P450 Enzymes in Beets (Beta vulgaris).

PloS one - 1 Jan 2016

Sunnadeniya Rasika, Bean Alexander, Brown Matthew, Akhavan Neda, Hatlestad Gregory, Gonzalez Antonio, Symonds V Vaughan, Lloyd Alan

Abstract excerpt

Yellow and red-violet betalain plant pigments are restricted to several families in the order Caryophyllales, where betacyanins play analogous biological roles to anthocyanins. The initial step in betalain biosynthesis is the hydroxylation of tyrosine to form L-DOPA. Using gene expression experiments in beets, yeast, and Arabidopsis, along with HPLC/MS analysis, the present study shows that two novel cytochrome...

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Identifiers

PMID: 26890886
DOI: 10.1371/journal.pone.0149417
PMCID: PMC4758722

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