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Article

Duplicate maize Wrinkled1 transcription factors activate target genes involved in seed oil biosynthesis.

Plant physiology - 1 Jun 2011

Pouvreau Benjamin, Baud Sébastien, Vernoud Vanessa, Morin Valérie, Py Cyrille, Gendrot Ghislaine, Pichon Jean-Philippe, Rouster Jacques, Paul Wyatt, Rogowsky Peter M

Abstract excerpt

WRINKLED1 (WRI1), a key regulator of seed oil biosynthesis in Arabidopsis (Arabidopsis thaliana), was duplicated during the genome amplification of the cereal ancestor genome 90 million years ago. Both maize (Zea mays) coorthologs ZmWri1a and ZmWri1b show a strong transcriptional induction during the early filling stage of the embryo and complement the reduced fatty acid content of Arabidopsis wri1-4 seeds,...

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Identifiers

PMID: 21474435
DOI: 10.1104/pp.111.173641
PMCID: PMC3177267

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