Evolutionary variation in MADS-box dimerization affects floral development and protein abundance in maize

Madelaine Bartlett, Jazmin Abraham-Juarez & Amanda Schrager-Lavelle
Interactions between MADS-box transcription factors are critical in the regulation of floral development, and shifting MADS-box protein-protein interactions are predicted to have influenced floral evolution. However, precisely how evolutionary variation in protein-protein interactions affects MADS-box protein function remains unknown. To assess the impact of changing MADS-box protein-protein interactions on transcription factor function, we turned to the grasses, where interactions between B-class MADS-box proteins vary. We tested the functional consequences of this evolutionary variability using maize...
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