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Abstract
The development of maternal tissues like fruit and seed coats is crucial for the success of flowering plants. Fertilization triggers auxin synthesis in the endosperm, which then stimulates the development of these maternal tissues. This study identifies the type I MADS box gene *AGL62* as essential for activating auxin synthesis in the endosperm of both strawberry (*Fragaria vesca*) and Arabidopsis. Downstream targets of *AGL62*, *FveATHB* genes, repress auxin biosynthesis. This work elucidates a key mechanism for auxin induction in mediating fertilization success, with broad relevance to flowering plants.
Publisher
Nature Communications
Published On
Jul 09, 2022
Authors
Lei Guo, Xi Luo, Muzi Li, Dirk Joldersma, Madison Plunkert, Zhongchi Liu
Tags
auxin synthesis
maternal tissues
MADS box gene
fertilization success
Fragaria vesca
Arabidopsis
AGL62

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