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Article

Analysis of the function of two circadian-regulated CONSTANS-LIKE genes.

The Plant journal : for cell and molecular biology - 1 Apr 2001

Ledger S, Strayer C, Ashton F, Kay S A, Putterill J

Abstract excerpt

The Arabidopsis genes CONSTANS-LIKE 1 (COL1) and CONSTANS-LIKE 2 (COL2) are predicted to encode zinc finger proteins with approximately 67% amino acid identity to the protein encoded by the flowering-time gene CONSTANS (CO). We show that the circadian clock regulates expression of COL1 and COL2 with a peak in transcript levels around dawn. We analyzed transgenic plants misexpressing COL1, COL2 and CO. Unlike CO,...

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Identifiers

PMID: 11359606
DOI: 10.1046/j.1365-313x.2001.01003.x

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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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Analysis of the function of two circadian-regulated CONSTANS-LIKE genes.PMID 11359606Read ↗

Distinct roles of CONSTANS target genes in reproductive development of Arabidopsis.Semantic proximity Read ↗

CONSTANS mediates between the circadian clock and the control of flowering 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 CONSTANS gene of Arabidopsis promotes flowering and encodes a protein showing similarities to zinc finger transcription factors.Semantic proximity Read ↗

Functional importance of conserved domains in the flowering-time gene CONSTANS demonstrated by analysis of mutant alleles and transgenic plants.Semantic proximity Read ↗

The sequence variation responsible for the functional difference between the CONSTANS protein, and the CONSTANS-like (COL) 1 and COL2 proteins, resides mostly in the region encoded by their first exons.Semantic proximity Read ↗

RFI2, a RING-domain zinc finger protein, negatively regulates CONSTANS expression and photoperiodic flowering.Semantic proximity Read ↗

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

Epistatic interactions between PHOTOPERIOD1, CONSTANS1 and CONSTANS2 modulate the photoperiodic response in wheat.Semantic proximity Read ↗

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

Arabidopsis clock-associated pseudo-response regulators PRR9, PRR7 and PRR5 coordinately and positively regulate flowering time through the canonical CONSTANS-dependent photoperiodic pathway.Semantic proximity Read ↗

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

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