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Article

Arabidopsis COP1 shapes the temporal pattern of CO accumulation conferring a photoperiodic flowering response.

The EMBO journal - 23 Apr 2008

Jang Seonghoe, Marchal Virginie, Panigrahi Kishore C S, Wenkel Stephan, Soppe Wim, Deng Xing-Wang, Valverde Federico, Coupland George

Abstract excerpt

The transcriptional regulator CONSTANS (CO) promotes flowering of Arabidopsis under long summer days (LDs) but not under short winter days (SDs). Post-translational regulation of CO is crucial for this response by stabilizing the protein at the end of a LD, whereas promoting its degradation throughout the night under LD and SD. We show that mutations in CONSTITUTIVE PHOTOMORPHOGENIC 1 (COP1), a component of a...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

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Identifiers

PMID: 18388858
DOI: 10.1038/emboj.2008.68
PMCID: PMC2291449

Genes

COP1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Arabidopsis COP1 shapes the temporal pattern of CO accumulation conferring a photoperiodic flowering response.PMID 18388858Read ↗

The F-box protein FKF1 inhibits dimerization of COP1 in the control of photoperiodic flowering.Semantic proximity Read ↗

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Arabidopsis SPA proteins regulate photoperiodic flowering and interact with the floral inducer CONSTANS to regulate its stability.Semantic proximity Read ↗

CONSTANS and ASYMMETRIC LEAVES 1 complex is involved in the induction of FLOWERING LOCUS T in photoperiodic flowering in Arabidopsis.Semantic proximity Read ↗

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

The Photomorphogenic Central Repressor COP1: Conservation and Functional Diversification during Evolution.Semantic proximity Read ↗

The Arabidopsis E3 ubiquitin ligase HOS1 negatively regulates CONSTANS abundance in the photoperiodic control of flowering.Semantic proximity Read ↗

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

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

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

Arabidopsis COP1 SUPPRESSOR 2 Represses COP1 E3 Ubiquitin Ligase Activity through Their Coiled-Coil Domains Association.Semantic proximity Read ↗

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