The mRNA of the Arabidopsis Gene FT Moves from Leaf to Shoot Apex and Induces Flowering-Reference-Cited by-同舟云学术

The mRNA of the Arabidopsis Gene FT Moves from Leaf to Shoot Apex and Induces Flowering

Published:2005-09-09 Issue:5741 Volume:309 Page:1694-1696
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Huang Tao¹²,Böhlenius Henrik¹²,Eriksson Sven¹²,Parcy François¹²,Nilsson Ove¹²

Affiliation:

1. Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-90183, Umeå, Sweden.

2. Laboratoire de Physiologie Cellulaire Végétale, Département Réponse et Dynamique Cellulaires (DRDC/PCV), Unité Mixte de Recherche 5168 [(UMR) Joint Research Unit] Centre National de la Recherche Scientifique (CNRS), Commissariat à l'Energie Atomique (CEA), Institut National de la Recherche Agronomique (INRA), Université Joseph Fourier, 17 rue des Martyrs, bâtiment C2–38054, Grenoble Cedex 9, France.

Abstract

Day length controls flowering time in many plants. The day-length signal is perceived in the leaf, but how this signal is transduced to the shoot apex, where floral initiation occurs, is not known. In Arabidopsis , the day-length response depends on the induction of the FLOWERING LOCUS T ( FT ) gene. We show here that local induction of FT in a single Arabidopsis leaf is sufficient to trigger flowering. The FT messenger RNA is transported to the shoot apex, where downstream genes are activated. These data suggest that the FT mRNA is an important component of the elusive “florigen” signal that moves from leaf to shoot apex.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference24 articles.

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