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When to form flowers is a developmental decision that profoundly impacts the fitness of flowering plants. In Arabidopsis this decision is ultimately controlled by the induction and subsequent activity of the transcription factors LEAFY (LFY), FRUITFULL (FUL), and APETALA1 (AP1). Despite their central importance, our current understanding of the regulation of LFY, FUL, and AP1 expression is still incomplete...
At germination, plants must coordinate the exit from dormancy and the start of vegetative growth. In this issue of Developmental Cell, Gazzarrini et al. show that FUSCA3 plays a critical role in regulating hormone levels to synchronize the transition from embryonic to vegetative growth in Arabidopsis.
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