The AGAMOUS-lIKE 20 MADS domain protein integrates floral inductive pathways in Arabidopsis

Horim Lee, Sung S. Suh, Eunsook Park, Euna Cho, Ji Hoon Ahn, Sang G. Kim, Jong Seob Lee, Young Myung Kwon, Ilha Lee

Research output: Contribution to journalArticle

479 Citations (Scopus)

Abstract

The very late-flowering behavior of Arabidopsis winter-annual ecotypes is conferred mainly by two genes, FRIGIDA (FRI) and FLOWERING LOCUS C (FLC). A MADS-domain gene, AGAMOUS-LIKE 20 (AGL20), was identified as a dominant FRI suppressor in activation tagging mutagenesis. Overexpression of AGL20 suppresses not only the late flowering of plants that have functional FRI and FLC alleles but also the delayed phase transitions during the vegetative stages of plant development. Interestingly, AGL20 expression is positively regulated not only by the redundant vernalization and autonomous pathways of flowering but also by the photoperiod pathway. Our results indicate that AGL20 is an important integrator of three pathways controlling flowering in Arabidopsis.

Original languageEnglish
Pages (from-to)2366-2376
Number of pages11
JournalGenes and Development
Volume14
Issue number18
DOIs
Publication statusPublished - 2000 Sep 15
Externally publishedYes

Fingerprint

MADS Domain Proteins
Arabidopsis
Ecotype
Plant Development
Phase Transition
Photoperiod
Mutagenesis
Genes
Alleles

Keywords

  • Activation tagging
  • AGL20
  • Flowering
  • MADS domain protein
  • Phase transition

ASJC Scopus subject areas

  • Developmental Biology
  • Genetics

Cite this

The AGAMOUS-lIKE 20 MADS domain protein integrates floral inductive pathways in Arabidopsis. / Lee, Horim; Suh, Sung S.; Park, Eunsook; Cho, Euna; Ahn, Ji Hoon; Kim, Sang G.; Lee, Jong Seob; Kwon, Young Myung; Lee, Ilha.

In: Genes and Development, Vol. 14, No. 18, 15.09.2000, p. 2366-2376.

Research output: Contribution to journalArticle

Lee, H, Suh, SS, Park, E, Cho, E, Ahn, JH, Kim, SG, Lee, JS, Kwon, YM & Lee, I 2000, 'The AGAMOUS-lIKE 20 MADS domain protein integrates floral inductive pathways in Arabidopsis', Genes and Development, vol. 14, no. 18, pp. 2366-2376. https://doi.org/10.1101/gad.813600
Lee, Horim ; Suh, Sung S. ; Park, Eunsook ; Cho, Euna ; Ahn, Ji Hoon ; Kim, Sang G. ; Lee, Jong Seob ; Kwon, Young Myung ; Lee, Ilha. / The AGAMOUS-lIKE 20 MADS domain protein integrates floral inductive pathways in Arabidopsis. In: Genes and Development. 2000 ; Vol. 14, No. 18. pp. 2366-2376.
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