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PMID: 23790253 Published · ppublish English Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Review

Flowering time regulation: photoperiod- and temperature-sensing in leaves.

Trends in plant science ·Vol. 18 ·No. 10 ·2013-10-00 ·Pages 575-83

Song YH, Ito S, Imaizumi T

Abstract

Plants monitor changes in photoperiod and temperature to synchronize their flowering with seasonal changes to maximize fitness. In the Arabidopsis photoperiodic flowering pathway, the circadian clock-regulated components, such as FLAVIN-BINDING, KELCH REPEAT, F-BOX 1 and CONSTANS, both of which have light-controlled functions, are crucial to induce the day-length specific expression of the FLOWERING LOCUS T (FT) gene in leaves. Recent advances indicate that FT transcriptional regulation is central for integrating the information derived from other important internal and external factors, such as developmental age, amount of gibberellic acid, and the ambient temperature. In this review, we describe how these factors interactively regulate the expression of FT, the main component of florigen, in leaves.

Keywords
FLOWERING LOCUS T ambient temperature florigen flowering gibberellic acid photoperiod
MeSH Terms
Flowers/genetics,physiology Photoperiod Plant Leaves/physiology Signal Transduction Temperature Time Factors
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Song Young Hun
Department of Biology, University of Washington, Seattle, WA 98195-1800, USA.
Ito Shogo
Imaizumi Takato
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Article Info
Journal
Trends in plant science
Abbr.
Trends Plant Sci
ISSN
1878-4372
DOI
10.1016/j.tplants.2013.05.003
Published
2013-10-00
Epub
2013-00-18
Pages
575-83
Language
English
Region
England
NLM ID
9890299
PMCID
PMC3796012
Subset
IM
Grants
NIGMS NIH HHS · R01 GM079712 · United States
NIGMS NIH HHS · GM079712 · United States
External Links
PubMed source DOI: 10.1016/j.tplants.2013.05.003 PMC Full Text View journal details
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