IBH1 ILI1 binding bHLH 1 [Arabidopsis thaliana (thale cress)] - Gene

Summary

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Official Symbol: IBH1
Official Full Name: ILI1 binding bHLH 1
Primary source: TAIR:AT2G43060
Locus tag: AT2G43060
See related: Araport:AT2G43060
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: AtIBH1; ILI1 binding bHLH 1; MFL8.8
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Genomic context

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See IBH1 in Genome Data Viewer

Location:: chromosome: 2

Exon count:: 1

Sequence:: Chromosome: 2; NC_003071.7 (17909007..17910210)

Chromosome 2 - NC_003071.7 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:: NC_003071.7

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

with BEE contributes to control tolerance to abiotic stress
Title: The antagonistic basic helix-loop-helix partners BEE and IBH1 contribute to control plant tolerance to abiotic stress.
HBI1 interacts with IBH1 which likely keep HBI1 under negative control.
Title: Antagonistic regulation of growth and immunity by the Arabidopsis basic helix-loop-helix transcription factor homolog of brassinosteroid enhanced expression2 interacting with increased leaf inclination1 binding bHLH1.
IBH1 repressed direct IBL1 transcription, and they both acted in tandem to suppress the expression of a common downstream helix-loop-helix (HLH)/bHLH network, thus forming an incoherent feed-forward loop.
Title: Helix-loop-helix/basic helix-loop-helix transcription factor network represses cell elongation in Arabidopsis through an apparent incoherent feed-forward loop.
The expression of IBH1 and PRE1 is regulated by brassinosteroid, gibberellins, and developmental phase dependent factors, indicating that two phytohormones and phase-dependent signals are integrated by this triantagonistic bHLH system.
Title: A triantagonistic basic helix-loop-helix system regulates cell elongation in Arabidopsis.
PRE1-AtIBH1 is a conserved pair of antagonistic HLH/bHLH transcription factors that function downstream of BZR1 to mediate brassinosteroid regulation of cell elongation. [IBH1]
Title: Antagonistic HLH/bHLH transcription factors mediate brassinosteroid regulation of cell elongation and plant development in rice and Arabidopsis.

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Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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NM_129867.3

Supported by ESTs:

Gene Ontology Provided by TAIR

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 protein dimerization activity	IEA Inferred from Electronic Annotation more info
enables transcription cis-regulatory region binding	IPI Inferred from Physical Interaction more info	PubMed

Process	Evidence Code	Pubs
involved_in regulation of DNA-templated transcription	IEA Inferred from Electronic Annotation more info

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

General protein information

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Preferred Names: ILI1 binding bHLH 1

NP_181834.1

ILI1 binding bHLH 1 (IBH1); FUNCTIONS IN: sequence-specific DNA binding transcription factor activity; INVOLVED IN: regulation of transcription; EXPRESSED IN: 13 plant structures; EXPRESSED DURING: 6 growth stages; CONTAINS InterPro DOMAIN/s: Helix-loop-helix DNA-binding domain (InterPro:IPR001092); Has 261 Blast hits to 261 proteins in 15 species: Archae - 0; Bacteria - 0; Metazoa - 0; Fungi - 0; Plants - 261; Viruses - 0; Other Eukaryotes - 0 (source: NCBI BLink).