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Article

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

The Plant cell - 1 Oct 1994

McNellis T W, von Arnim A G, Deng X W

Abstract excerpt

Arabidopsis seedlings are genetically endowed with the capability to follow two distinct developmental programs: photomorphogenesis in the light and skotomorphogenesis in darkness. The regulatory protein CONSTITUTIVE PHOTO-MORPHOGENIC1 (COP1) has been postulated to act as a repressor of photomorphogenesis in the dark because loss-of-function mutations of COP1 result in dark-grown seedlings phenocopying the...

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Identifiers

PMID: 7994173
DOI: 10.1105/tpc.6.10.1391
PMCID: PMC160528

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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Overexpression of Arabidopsis COP1 results in partial suppression of light-mediated development: evidence for a light-inactivable repressor of photomorphogenesis.PMID 7994173Read ↗

Promotion of photomorphogenesis by COP1.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 ↗

cop1: a regulatory locus involved in light-controlled development and gene expression 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 ↗

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

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

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

Genetic and developmental control of nuclear accumulation of COP1, a repressor of photomorphogenesis in Arabidopsis.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 ↗

Constitutive photomorphogenesis 1 and multiple photoreceptors control degradation of phytochrome interacting factor 3, a transcription factor required for light signaling in Arabidopsis.Semantic proximity Read ↗

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