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

Summary

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Official Symbol: STO
Official Full Name: B-box zinc finger family protein
Primary source: TAIR:AT1G06040
Locus tag: AT1G06040
See related: Araport:AT1G06040
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 24; BBX24; SALT TOLERANCE; T21E18.9; T21E18_9
Summary: Encodes salt tolerance protein (STO) which confers salt tolerance to yeast cells. Fully complements calcineurin deficient yeast but does not encode a phosphoprotein phosphatase. Sequence has similarities to CONSTANS. STO co-localizes with COP1 and plays a role in light signaling.
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Genomic context

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See STO in Genome Data Viewer

Location:: chromosome: 1

Exon count:: 2

Sequence:: Chromosome: 1; NC_003070.9 (1828340..1829983, complement)

Chromosome 1 - NC_003070.9 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:: NC_003070.9

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Arabidopsis ERD15 regulated by BBX24 plays a positive role in UV-B signaling.
Title: Arabidopsis ERD15 regulated by BBX24 plays a positive role in UV-B signaling.
BBX24 Interacts with JAZ3 to Promote Growth by Reducing DELLA Activity in Shade Avoidance.
Title: BBX24 Interacts with JAZ3 to Promote Growth by Reducing DELLA Activity in Shade Avoidance.
Quantitative Proteomic Analyses Identify STO/BBX24 -Related Proteins Induced by UV-B.
Title: Quantitative Proteomic Analyses Identify STO/BBX24 -Related Proteins Induced by UV-B.
UV-B inhibited the growth of Arabidopsis root, possibly because it changes the Gibberellic acid signal and inhibited cell division and cell elongation, which be related to COP1 and STO genes.
Title: STO and GA negatively regulate UV-B-induced Arabidopsis root growth inhibition.
Findings indicate that both B-Box Proteins BBX21 and BBX24 regulate ELONGATED HYPOCOTYL 5 protein (HY5) activity post-transcriptionally, in opposite ways.
Title: Two B-Box Proteins Regulate Photomorphogenesis by Oppositely Modulating HY5 through their Diverse C-Terminal Domains.
BBX24 physically interacts with DELLA proteins and alleviates DELLA-mediated repression of PIF4 activity.[BBX24]
Title: The transcriptional regulator BBX24 impairs DELLA activity to promote shade avoidance in Arabidopsis thaliana.
Data indicate that the expression of the B-box family gene STO (BBX24) is controlled by circadian rhythm and is affected by environmental factors and phytohormones
Title: The B-box family gene STO (BBX24) in Arabidopsis thaliana regulates flowering time in different pathways.
BX24 and BBX25 physically interact with HYH which leads to depletion of HYH molecules from the active pool and, thus indirectly, reduce the function of HY5 in promoting photomorphogenesis. [BBX24]
Title: Molecular interactions of BBX24 and BBX25 with HYH, HY5 HOMOLOG, to modulate Arabidopsis seedling development.
Data suggest that BBX25 (At2g31380) and BBX24 (At1g06040) function as transcriptional corepressors, probably by forming inactive heterodimers with HY5 (At5g11260) downregulating BBX22 (AT1G78600) expression for the light-mediated seedling development.
Title: The Arabidopsis B-BOX protein BBX25 interacts with HY5, negatively regulating BBX22 expression to suppress seedling photomorphogenesis.
STO/BBX24 functions as a negative regulator of photomorphogenic UV-B responses by interacting with both COP1 and HY5.
Title: Arabidopsis STO/BBX24 negatively regulates UV-B signaling by interacting with COP1 and repressing HY5 transcriptional activity.

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Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Homology

Orthologs from OrthoDB

NM_100484.4

Supported by ESTs:

NM_179267.2

Supported by ESTs:

Gene Ontology Provided by TAIR

Function	Evidence Code	Pubs
enables DNA binding	ISS Inferred from Sequence or Structural Similarity more info	PubMed
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 coregulator activity	IDA Inferred from Direct Assay more info	PubMed
enables zinc ion binding	IEA Inferred from Electronic Annotation more info

Process	Evidence Code	Pubs
acts_upstream_of_or_within photomorphogenesis	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within photoperiodism, flowering	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within positive regulation of shade avoidance	IEP Inferred from Expression Pattern more info	PubMed
acts_upstream_of_or_within positive regulation of shade avoidance	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within positive regulation of shade avoidance	IPI Inferred from Physical Interaction more info	PubMed
acts_upstream_of_or_within response to light stimulus	IEP Inferred from Expression Pattern more info	PubMed
acts_upstream_of_or_within response to salt stress	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within seedling development	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within vegetative to reproductive phase transition of meristem	IMP Inferred from Mutant Phenotype more info	PubMed

Component	Evidence Code	Pubs
located_in nucleus	IDA Inferred from Direct Assay more info	PubMed
located_in nucleus	ISM Inferred from Sequence Model more info

General protein information

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Preferred Names: B-box zinc finger family protein

NP_172094.1

SALT TOLERANCE (STO); CONTAINS InterPro DOMAIN/s: Zinc finger, B-box (InterPro:IPR000315); BEST Arabidopsis thaliana protein match is: salt tolerance homologue (TAIR:AT2G31380.1); Has 1912 Blast hits to 1325 proteins in 114 species: Archae - 0; Bacteria - 0; Metazoa - 5; Fungi - 2; Plants - 1809; Viruses - 0; Other Eukaryotes - 96 (source: NCBI BLink).

NP_849598.1

SALT TOLERANCE (STO); CONTAINS InterPro DOMAIN/s: Zinc finger, B-box (InterPro:IPR000315); BEST Arabidopsis thaliana protein match is: salt tolerance homologue (TAIR:AT2G31380.1); Has 1915 Blast hits to 1323 proteins in 114 species: Archae - 0; Bacteria - 0; Metazoa - 5; Fungi - 2; Plants - 1814; Viruses - 0; Other Eukaryotes - 94 (source: NCBI BLink).

NCBI Reference Sequences (RefSeq)

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

NC_003070.9 Reference assembly

Range

1828340..1829983 complement

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GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

NM_100484.4 → NP_172094.1 B-box zinc finger family protein [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/Swiss-Prot

Q96288

UniProtKB/TrEMBL

A0A178W110, A0A5S9SVX4, A0A654E7D0

Conserved Domains (1) summary

cd19821
Location:5 → 47

Bbox1_BBX-like; B-box-type 1 zinc finger found in B-box (BBX) family of plant transcription factors and similar proteins
NM_179267.2 → NP_849598.1 B-box zinc finger family protein [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/TrEMBL

F4IBY7

Conserved Domains (1) summary

smart00336
Location:55 → 98

BBOX; B-Box-type zinc finger