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Article

Genomic evidence for COP1 as a repressor of light-regulated gene expression and development in Arabidopsis.

The Plant cell - 1 Oct 2002

Ma Ligeng, Gao Ying, Qu Lijia, Chen Zhangliang, Li Jinming, Zhao Hongyu, Deng Xing Wang

Abstract excerpt

Microarray gene expression profiling was used to examine the role of COP1 in the light control of Arabidopsis genome expression. Qualitatively similar gene expression profiles were observed between wild-type seedlings grown in white light and multiple cop1 mutant alleles grown in the dark. Furthermore, overexpression of the dominant-negative-acting N terminus of COP1 (N282) in darkness produced a genome...

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Source

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Identifiers

PMID: 12368493
DOI: 10.1105/tpc.004416
PMCID: PMC151224

Genes

COP1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Genomic evidence for COP1 as a repressor of light-regulated gene expression and development in Arabidopsis.PMID 12368493Read ↗

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

Expression of an N-terminal fragment of COP1 confers a dominant-negative effect on light-regulated seedling development in Arabidopsis.Semantic proximity Read ↗

Genetic and molecular analysis of an allelic series of cop1 mutants suggests functional roles for the multiple protein domains.Semantic proximity Read ↗

Overexpression of Arabidopsis COP1 results in partial suppression of light-mediated development: evidence for a light-inactivable repressor of photomorphogenesis.Semantic proximity Read ↗

cop1: a regulatory locus involved in light-controlled development and gene expression in Arabidopsis.Semantic proximity Read ↗

Evidence for functional conservation of a mammalian homologue of the light-responsive plant protein COP1.Semantic proximity Read ↗

Short communication: the N-terminal fragment of Arabidopsis photomorphogenic repressor COP1 maintains partial function and acts in a concentration-dependent manner.Semantic proximity Read ↗

COP1b, an isoform of COP1 generated by alternative splicing, has a negative effect on COP1 function in regulating light-dependent seedling development in Arabidopsis.Semantic proximity Read ↗

COP9: a new genetic locus involved in light-regulated development and gene expression in arabidopsis.Semantic proximity Read ↗

CONSTITUTIVELY PHOTOMORPHOGENIC1 is required for the UV-B response in Arabidopsis.Semantic proximity Read ↗

Promotion of photomorphogenesis by COP1.Semantic proximity Read ↗

Two interacting bZIP proteins are direct targets of COP1-mediated control of light-dependent gene expression in Arabidopsis.Semantic proximity Read ↗

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