Abstract
AbstractThe autonomous pathways for floral inhibition and induction are central to the entire process of floral transition in Arabidopsis. The floral inhibition pathway acts throughout the plant's life to ensure flowering does not occur until the appropriate environmental, developmental, and physiological cues have been received. The inhibition pathway operates through a single protein repressing the transcription of genes necessary for the floral transition to occur at the shoot apical meristem. The autonomous induction pathway is equally essential to the life history of a weedy annual. Unlike long-lived perennial plants, Arabidopsis does not have the option to delay flowering indefinitely until perfect environmental conditions are perceived. Instead, the autonomous induction pathway acts antagonistically to the inhibition pathway to ensure that the plant flowers eventually, irrespective of a lack of inductive environmental signals.
Published Version
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