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Article

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

Proceedings of the National Academy of Sciences of the United States of America - 9 Dec 2014

Song Young Hun, Estrada Daniel A, Johnson Richard S, Kim Somi K, Lee Sang Yeol, MacCoss Michael J, Imaizumi Takato

Abstract excerpt

Many plants measure changes in day length to synchronize their flowering time with appropriate seasons for maximum reproductive success. In Arabidopsis, the day-length-dependent regulation of Constans (CO) protein stability is crucial to induce flowering locus T (FT) expression for flowering in long days. The flavin-binding, KELCH repeat, F-box1 (FKF1) protein binds to CO protein specifically in the long-day...

Topics

Arabidopsis
Arabidopsis Proteins
Cell Nucleus
DNA-Binding Proteins
Flowers
Gene Expression Regulation, Plant
Light
Mutation
Photoperiod
Promoter Regions, Genetic

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Seasons

Signal Transduction

Transcription Factors

Ubiquitin-Protein Ligases

Source

Open in PubMed Open full text

Identifiers

PMID: 25422419
DOI: 10.1073/pnas.1415375111
PMCID: PMC4267339

Genes

CUL1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 31 Aug 2026.

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Distinct roles of FKF1, Gigantea, and Zeitlupe proteins in the regulation of Constans stability in Arabidopsis photoperiodic flowering.PMID 25422419Read ↗

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

LOV KELCH PROTEIN2 and ZEITLUPE repress Arabidopsis photoperiodic flowering under non-inductive conditions, dependent on FLAVIN-BINDING KELCH REPEAT F-BOX1.Semantic proximity Read ↗

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

FKF1 and GIGANTEA complex formation is required for day-length measurement in Arabidopsis.Semantic proximity Read ↗

FKF1 F-box protein mediates cyclic degradation of a repressor of CONSTANS in Arabidopsis.Semantic proximity Read ↗

Arabidopsis DOF transcription factors act redundantly to reduce CONSTANS expression and are essential for a photoperiodic flowering response.Semantic proximity Read ↗

F-box proteins FKF1 and LKP2 act in concert with ZEITLUPE to control Arabidopsis clock progression.Semantic proximity Read ↗

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

GIGANTEA directly activates Flowering Locus T in Arabidopsis thaliana.Semantic proximity Read ↗

Functional domain studies uncover novel roles for the ZTL Kelch repeat domain in clock function.Semantic proximity Read ↗

ZEITLUPE and FKF1: novel connections between flowering time and circadian clock control.Semantic proximity Read ↗

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

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