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The evolution of euAPETALA2 genes in vascular plants: from plesiomorphic roles in sporangia to acquired functions in ovules and fruits

Mol Biol Evol. 2021-02; 
Cecilia Zumajo-Cardona, Natalia Pabón-Mora, Barbara A Ambrose
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摘要

The field of evolutionary developmental biology (evo-devo) can help address how morphological novelties evolve, a key question in evolutionary biology. In Arabidopsis thaliana, APETALA2 (AP2) plays a role in the development of key plant innovations including seeds, flowers, and fruits. AP2 belongs to the APETALA2/ETHYLENE RESPONSIVE ELEMENT BINDING FACTOR (AP2/ERF) family which has members in all viridiplantae, making it one of the oldest and most diverse gene lineages. One key subclade, present across vascular plants is the euAPETALA2 (euAP2) clade, whose founding member is AP2. We reconstructed the evolution of the euAP2 gene lineage in vascular plants to better understand its impact on the morphological evol... More

关键词

AP2/TOE3, co-option, evo-devo, gene lineage evolution, morphological innovations, sporangium development