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Article

Combined R2R3-MYB transcription factor mutants reveal the regulatory structure of the Arabidopsis thaliana flavonoid biosynthesis pathway.

Planta - 6 Feb 2026

Sielmann Lennart Malte, Denecke Timo, Weisshaar Bernd, Stracke Ralf

Abstract excerpt

MAIN CONCLUSION: Comparative metabolic profiling of new genetic multiple flavonoid r2r3-myb mutants show that different types of R2R3-MYBs activate the early flavonoid biosynthesis genes. A revised model for flavonoid biosynthesis in Arabidopsis thaliana is proposed that integrates the regulatory roles of these R2R3-MYBs across early and late biosynthetic steps. Flavonoids are a large group of specialized plant...

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Identifiers

PMID: 41649624
DOI: 10.1007/s00425-026-04938-8
PMCID: PMC12881018

Genes

MYB

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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