Russian Journal of Plant Physiology

, Volume 57, Issue 2, pp 166–174 | Cite as

FLC: A key regulator of flowering time in Arabidopsis

  • Zhiqiang Yan
  • Dawei Liang
  • Heng Liu
  • Guochang Zheng
Reviews

Abstract

The timing of floral transition has significant consequences for reproductive success in plants. The molecular genetic dissection of flowering time control in Arabidopsis identified an integrated network of pathways that quantitatively control this developmental switch. A central player in this process is the FLOWERING LOCUS C gene (FLC), which blocks flowering by inhibiting the genes required to switch the meristem from vegetative to floral development. Three systems (the FRIGIDA gene, vernalization, and the autonomous pathway) all influence the state of FLC. Last years many new genes have been identified that regulate FLC expression, and most of them are involved in the modification of FLC chromatin. This review focuses on recent insights in FLC regulation.

Key words

Arabidopsis flowering FLC FRI vernalization autonomous pathway chromatin modification 

Abbreviations

ChIP

chromatin immunoprecipitation

FLC

FLOWERING LOCUS C

FRI

FRIGIDA

LD

long day

NLS

nuclear localization signal

PHD

plant homeodomain

RRM

RNA recognition motifs

siRNA

short interfering RNA

WT

wild type

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • Zhiqiang Yan
    • 1
  • Dawei Liang
    • 1
  • Heng Liu
    • 1
  • Guochang Zheng
    • 1
  1. 1.MOE Key Laboratory of Arid and Grassland Ecology, Institute of Cell Biology, Life Science SchoolLanzhou UniversityGansuChina

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