FLOWERING LOCUS T encodes a flowering regulator in Arabidopsis thaliana. The FT protein can move between tissues and contributes to the long-distance connection between light-dependent regulation in leaves and reproductive development at the shoot.
Experiments combining tissue-specific expression and grafting supplied evidence for movement of FT protein, separating production of a signal from the site at which development changes. Its roles also extend beyond one flowering response: maternal temperature history in fruits can affect progeny dormancy through this regulatory system.[ref]
FT protein movement contributes to long-distance signaling in floral induction of Arabidopsis by Laurent Corbesier and others. 2007, pp. 1030–1033
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