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Article

A dopamine-based biosynthetic pathway produces decarboxylated betalains in Chenopodium quinoa.

Plant physiology - 6 Jul 2021

Henarejos-Escudero Paula, Contreras-Llano Luis Eduardo, Lozada-Ramírez José Daniel, Gómez-Pando Luz Rayda, García-Carmona Francisco, Gandía-Herrero Fernando

Abstract excerpt

Betalains are the nitrogenous pigments that replace anthocyanins in the plant order Caryophyllales. Here, we describe unconventional decarboxylated betalains in quinoa (Chenopodium quinoa) grains. Decarboxylated betalains are derived from a previously unconsidered activity of the 4,5-DOPA-extradiol-dioxygenase enzyme (DODA), which has been identified as the key enzymatic step in the established biosynthetic...

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Identifiers

PMID: 33826743
DOI: 10.1093/plphys/kiab158
PMCID: PMC8260129

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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