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Article

CONSTITUTIVELY PHOTOMORPHOGENIC1 is required for the UV-B response in Arabidopsis.

The Plant cell - 1 Aug 2006

Oravecz Attila, Baumann Alexander, Máté Zoltán, Brzezinska Agnieszka, Molinier Jean, Oakeley Edward J, Adám Eva, Schäfer Eberhard, Nagy Ferenc, Ulm Roman

Abstract excerpt

CONSTITUTIVELY PHOTOMORPHOGENIC1 (COP1) is a negative regulator of photomorphogenesis in Arabidopsis thaliana. COP1 functions as an E3 ubiquitin ligase, targeting select proteins for proteasomal degradation in plants as well as in mammals. Among its substrates is the basic domain/leucine zipper (bZIP) transcription factor ELONGATED HYPOCOTYL5 (HY5), one of the key regulators of photomorphogenesis under all light...

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Identifiers

PMID: 16829591
DOI: 10.1105/tpc.105.040097
PMCID: PMC1533968

Genes

COP1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

CONSTITUTIVELY PHOTOMORPHOGENIC1 is required for the UV-B response in Arabidopsis.PMID 16829591Read ↗

Arabidopsis FHY3 and HY5 positively mediate induction of COP1 transcription in response to photomorphogenic UV-B light.Semantic proximity Read ↗

Interaction of COP1 and UVR8 regulates UV-B-induced photomorphogenesis and stress acclimation in Arabidopsis.Semantic proximity Read ↗

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

Short Hypocotyl in White Light1 Interacts with Elongated Hypocotyl5 (HY5) and Constitutive Photomorphogenic1 (COP1) and Promotes COP1-Mediated Degradation of HY5 during Arabidopsis Seedling Development.Semantic proximity Read ↗

Photoactivated UVR8-COP1 module determines photomorphogenic UV-B signaling output in Arabidopsis.Semantic proximity Read ↗

Arabidopsis phytochrome B promotes SPA1 nuclear accumulation to repress photomorphogenesis under far-red light.Semantic proximity Read ↗

Negative feedback regulation of UV-B-induced photomorphogenesis and stress acclimation in Arabidopsis.Semantic proximity Read ↗

Arabidopsis CULLIN4-damaged DNA binding protein 1 interacts with CONSTITUTIVELY PHOTOMORPHOGENIC1-SUPPRESSOR OF PHYA complexes to regulate photomorphogenesis and flowering time.Semantic proximity Read ↗

Functional interaction of the circadian clock and UV RESISTANCE LOCUS 8-controlled UV-B signaling pathways in Arabidopsis thaliana.Semantic proximity Read ↗

Promotion of photomorphogenesis by COP1.Semantic proximity Read ↗

The COP1-ADA2b module mediates light regulation of DNA double-strand break repair in Arabidopsis.Semantic proximity Read ↗

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

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