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Article

Molecular interactions of GBF1 with HY5 and HYH proteins during light-mediated seedling development in Arabidopsis thaliana.

The Journal of biological chemistry - 27 Jul 2012

Singh Aparna, Ram Hathi, Abbas Nazia, Chattopadhyay Sudip

Abstract excerpt

Arabidopsis bZIP transcription factor, GBF1, acts as a differential regulator of cryptochrome-mediated blue light signaling. Whereas the bZIP proteins, HY5 (elongated hypocotyl 5) and HYH (HY5 homologue), are degraded by COP1-mediated proteasomal pathways, GBF1 is degraded by a proteasomal pathway independent of COP1. In this study, we have investigated the functional interrelations of GBF1 with HY5 and HYH in...

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Source

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Identifiers

PMID: 22692212
DOI: 10.1074/jbc.M111.333906
PMCID: PMC3406683

Genes

GBF1
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

Molecular interactions of GBF1 with HY5 and HYH proteins during light-mediated seedling development in Arabidopsis thaliana.PMID 22692212Read ↗

Functional interconnections of HY1 with MYC2 and HY5 in Arabidopsis seedling development.Semantic proximity Read ↗

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

BZR1 Interacts with HY5 to Mediate Brassinosteroid- and Light-Regulated Cotyledon Opening in Arabidopsis in Darkness.Semantic proximity Read ↗

HY1 genetically interacts with GBF1 and regulates the activity of the Z-box containing promoters in light signaling pathways in Arabidopsis thaliana.Semantic proximity Read ↗

Arabidopsis MSBP1 is activated by HY5 and HYH and is involved in photomorphogenesis and brassinosteroid sensitivity regulation.Semantic proximity Read ↗

OsbZIP48, a HY5 Transcription Factor Ortholog, Exerts Pleiotropic Effects in Light-Regulated Development.Semantic proximity Read ↗

Dissection of HY5/HYH expression in Arabidopsis reveals a root-autonomous HY5-mediated photomorphogenic pathway.Semantic proximity Read ↗

HY5 and ABI5 transcription factors physically interact to fine tune light and ABA signaling in Arabidopsis.Semantic proximity Read ↗

Characterization and functional analysis of four HYH splicing variants in Arabidopsis hypocotyl elongation.Semantic proximity Read ↗

The Arabidopsis bZIP transcription factor HY5 regulates expression of the PFG1/MYB12 gene in response to light and ultraviolet-B radiation.Semantic proximity Read ↗

HFR1, a phytochrome A-signalling component, acts in a separate pathway from HY5, downstream of COP1 in Arabidopsis thaliana.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 ↗

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