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Article

Photoreceptor regulation of CONSTANS protein in photoperiodic flowering.

Science (New York, N.Y.) - 13 Feb 2004

Valverde Federico, Mouradov Aidyn, Soppe Wim, Ravenscroft Dean, Samach Alon, Coupland George

Abstract excerpt

Many plants flower in response to seasonal fluctuations in day length. The CONSTANS (CO) gene of Arabidopsis promotes flowering in long days. Flowering is induced when CO messenger RNA expression coincides with the exposure of plants to light. However, how this promotes CO activity is unknown. We show that light stabilizes nuclear CO protein in the evening, whereas in the morning or in darkness the protein is...

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PMID: 14963328
DOI: 10.1126/science.1091761

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

Photoreceptor regulation of CONSTANS protein in photoperiodic flowering.PMID 14963328Read ↗

DAY NEUTRAL FLOWERING represses CONSTANS to prevent Arabidopsis flowering early in short days.Semantic proximity Read ↗

Arabidopsis COP1 shapes the temporal pattern of CO accumulation conferring a photoperiodic flowering response.Semantic proximity Read ↗

FKF1 conveys timing information for CONSTANS stabilization in photoperiodic flowering.Semantic proximity Read ↗

CONSTANS mediates between the circadian clock and the control of flowering in Arabidopsis.Semantic proximity Read ↗

Regulation of CONSTANS and FLOWERING LOCUS T expression in response to changing light quality.Semantic proximity Read ↗

Molecular basis of seasonal time measurement in Arabidopsis.Semantic proximity Read ↗

Overexpression of COL9, a CONSTANS-LIKE gene, delays flowering by reducing expression of CO and FT in Arabidopsis thaliana.Semantic proximity Read ↗

The balance between CONSTANS and TEMPRANILLO activities determines FT expression to trigger flowering.Semantic proximity Read ↗

Distinct roles of FKF1, Gigantea, and Zeitlupe proteins in the regulation of Constans stability in Arabidopsis photoperiodic flowering.Semantic proximity Read ↗

TCP4-dependent induction of CONSTANS transcription requires GIGANTEA in photoperiodic flowering in Arabidopsis.Semantic proximity Read ↗

Chlamydomonas CONSTANS and the evolution of plant photoperiodic signaling.Semantic proximity Read ↗

Red Light-Mediated Degradation of CONSTANS by the E3 Ubiquitin Ligase HOS1 Regulates Photoperiodic Flowering in Arabidopsis.Semantic proximity Read ↗

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