Journal
SCIENCE
Volume 288, Issue 5471, Pages 1613-1616Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.288.5471.1613
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In plants, flowering is triggered by endogenous and environmental signals, CONSTANS (CO) promotes flowering of Arabidopsis in response to day 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.
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