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Article

Light regulation of gibberellin biosynthesis in pea is mediated through the COP1/HY5 pathway.

The Plant cell - 1 Mar 2009

Weller James L, Hecht Valérie, Vander Schoor Jacqueline K, Davidson Sandra E, Ross John J

Abstract excerpt

Light regulation of gibberellin (GA) biosynthesis occurs in several species, but the signaling pathway through which this occurs has not been clearly established. We have isolated a new pea (Pisum sativum) mutant, long1, with a light-dependent elongated phenotype that is particularly pronounced in the epicotyl and first internode. The long1 mutation impairs signaling from phytochrome and cryptochrome...

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Source

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Identifiers

PMID: 19329557
DOI: 10.1105/tpc.108.063628
PMCID: PMC2671700

Genes

COP1

Provenance

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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Click a neighbor to travelStep 1 · 12 closest

Light regulation of gibberellin biosynthesis in pea is mediated through the COP1/HY5 pathway.PMID 19329557Read ↗

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

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

The roles of photoreceptor systems and the COP1-targeted destabilization of HY5 in light control of Arabidopsis seedling development.Semantic proximity Read ↗

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

Chimeric Activators and Repressors Define HY5 Activity and Reveal a Light-Regulated Feedback Mechanism.Semantic proximity Read ↗

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

The signaling mechanism of phyA involves direct interaction with ATG8 to regulate HY5 autophagic degradation under nutrient starvation.Semantic proximity Read ↗

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

Arabidopsis COP1 and SPA genes are essential for plant elongation but not for acceleration of flowering time in response to a low red light to far-red light ratio.Semantic proximity Read ↗

Identification of TaGL1-B1 gene controlling grain length through regulation of jasmonic acid in common wheat.Semantic proximity Read ↗

LZF1, a HY5-regulated transcriptional factor, functions in Arabidopsis de-etiolation.Semantic proximity Read ↗

Cryptochrome 1 contributes to blue-light sensing in pea.Semantic proximity Read ↗

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