BZS1 B-box zinc finger family protein [Arabidopsis thaliana (thale cress)] - Gene

Summary

Official Symbol: BZS1
Official Full Name: B-box zinc finger family protein
Primary source: TAIR:AT4G39070
Locus tag: AT4G39070
See related: Araport:AT4G39070
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Arabidopsis thaliana (ecotype: Columbia)
Lineage: Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
Also known as: B-box domain protein 20; BBX20; F19H22.170; F19H22_170
Summary: Encodes BZS1, a brassinosteroids-regulated BZR1 target (BRBT) gene. BZS1 is a putative zinc finger transcription factor. Expression of BZS1 was increased under BR-deficient condition and repressed by BR. Transgenic Arabidopsis plants overexpressing BZS1 showed a hypersensitivity to the BR biosynthetic inhibitor brassinazole (BRZ). In contrast, transgenic plants expressing reduced level of BZS1 had longer hypocotyls than wild type when grown on BRZ.
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Chromosome 4 - NC_003075.7 Genomic Context describing neighboring genes

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Karrikins control seedling photomorphogenesis and anthocyanin biosynthesis through a HY5-BBX transcriptional module.
Title: Karrikins control seedling photomorphogenesis and anthocyanin biosynthesis through a HY5-BBX transcriptional module.
Identification of BBX proteins as rate-limiting cofactors of HY5.
Title: Identification of BBX proteins as rate-limiting cofactors of HY5.
BZS1 interacts with HY5 and plays a central role in integrating light and multiple hormone signals for photomorphogenesis in Arabidopsis
Title: The Arabidopsis B-box protein BZS1/BBX20 interacts with HY5 and mediates strigolactone regulation of photomorphogenesis.
BZS1 mediates the crosstalk between brassinosteroid and light pathways.[BZS1]
Title: BZS1, a B-box protein, promotes photomorphogenesis downstream of both brassinosteroid and light signaling pathways.

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

NM_120067.7

Function	Evidence Code	Pubs
enables DNA-binding transcription factor activity	ISS Inferred from Sequence or Structural Similarity more info	PubMed
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables transcription cis-regulatory region binding	IPI Inferred from Physical Interaction more info	PubMed
enables zinc ion binding	IEA Inferred from Electronic Annotation more info

Process	Evidence Code	Pubs
involved_in negative regulation of brassinosteroid mediated signaling pathway	IDA Inferred from Direct Assay more info	PubMed
involved_in positive regulation of photomorphogenesis	IDA Inferred from Direct Assay more info	PubMed
acts_upstream_of_or_within regulation of DNA-templated transcription	TAS Traceable Author Statement more info	PubMed
acts_upstream_of_or_within response to brassinosteroid	IEP Inferred from Expression Pattern more info	PubMed

Component	Evidence Code	Pubs
located_in nucleus	ISM Inferred from Sequence Model more info

NP_195618.2

B-box zinc finger family protein; FUNCTIONS IN: sequence-specific DNA binding transcription factor activity, zinc ion binding; INVOLVED IN: response to karrikin, response to chitin, regulation of transcription; LOCATED IN: intracellular; EXPRESSED IN: 16 plant structures; EXPRESSED DURING: 10 growth stages; CONTAINS InterPro DOMAIN/s: Zinc finger, B-box (InterPro:IPR000315); BEST Arabidopsis thaliana protein match is: salt tolerance homolog2 (TAIR:AT1G75540.1); Has 1892 Blast hits to 1305 proteins in 109 species: Archae - 0; Bacteria - 0; Metazoa - 4; Fungi - 0; Plants - 1793; Viruses - 0; Other Eukaryotes - 95 (source: NCBI BLink).

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