Abstract:Colourful patterns on flower corollas are key signals to attract pollinators. The formation of such motifs relies on the establishment of developmental boundaries that partition the growing petal epidermis into different subdomains, where cells can produce specific pigments and acquire distinctive cell shapes and textures. While some of the transcription factors and biosynthetic pathways producing these characteristics as cell differentiate have been extensively studied, the upstream processes restricting the … Show more
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