Abstract
A Blossoming Field of Research: How Florigen Is Transported to Create Flowers
Highlights
The act of flowering is the defining and most dramatic change that flowering plants undergo, and the fruits of such labor are crops that the world depends on
If HIS3 and lacZ got activated, that meant both halves of the transcription factor had Selected PLoS Biology research articles are accompanied by a synopsis written for a general audience to provide non-experts with insight into the significance of the published work
Non-functional versions of the FT-INTERACTING PROTEIN 1 (FTIP1) gene flowered much later in response to long days, and when such mutants were given a working version of the gene, their flowering time was restored largely back to normal. These findings suggested FTIP1 was key to how flowering was controlled over time
Summary
The act of flowering is the defining and most dramatic change that flowering plants undergo, and the fruits of such labor are crops that the world depends on. A Blossoming Field of Research: How Florigen Is Transported to Create Flowers Pioneering experiments revealed that plants used their leaves to perceive day length, sending a mystery signal, dubbed ‘‘florigen’’ in the 1930s, to a shoot’s growing tip, formally known as its apical meristem. It seemed unlikely that simple diffusion could transport FT from leaves across the phloem all the way to the shoot, but it remained a mystery as to what proteins might help it on its way.
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