Distinct roles of constans target genes in reproductive development of Arabidopsis

Alon Samach, Hitoshi Onouchi, Scott E. Gold, Gary S. Ditta, Zsuzsanna Schwarz-Sommer, Martin F. Yanofsky, George Coupland*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1181 Scopus citations

Abstract

In plants, flowering is triggered by endogenous and environmental signals. CONSTANS (CO) promotes flowering of Arabidopsis in response today length. Four early target genes of CO were identified using a steroid- inducible version of the protein. Two of these genes, SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) and FLOWERING LOCUS T (FT), are required for CO to promote flowering; the others are involved in proline or ethylene biosynthesis. The SOC1 and FT genes are also regulated by a second flowering- time pathway that acts independently of CO. Thus, early target genes of CO define common components of distinct flowering-time pathways.

Original languageAmerican English
Pages (from-to)1613-1616
Number of pages4
JournalScience
Volume288
Issue number5471
DOIs
StatePublished - 2 Jun 2000

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