BS1 activation-tagged BRI1(brassinosteroid-insensitive 1)-suppressor 1 [Arabidopsis thaliana (thale cress)] - Gene

Summary

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Official Symbol: BS1
Official Full Name: activation-tagged BRI1(brassinosteroid-insensitive 1)-suppressor 1
Primary source: TAIR:AT1G74500
Locus tag: AT1G74500
See related: Araport:AT1G74500
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: activation-tagged BRI1(brassinosteroid-insensitive 1)-suppressor 1; ATBS1; basic helix-loop-helix protein 135; bHLH135; F1M20.18; F1M20_18; PACLOBUTRAZOL RESISTANCE 3; PRE3; TARGET OF MONOPTEROS 7; TMO7
Summary: Encodes a basic helix#Aeiloop#Aeihelix transcription factor that acts downstream of MP in root initiation. TMO7 protein moves to the hypophysis and to vascular cells, contributing to MP-dependent root formation. Promotes the correct definition of the hypophysis cell division plane.
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Genomic context

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See BS1 in Genome Data Viewer

Location:: chromosome: 1

Exon count:: 2

Sequence:: Chromosome: 1; NC_003070.9 (27997919..27998821, 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?

A Mutant Allele Uncouples the Brassinosteroid-Dependent and Independent Functions of BRASSINOSTEROID INSENSITIVE 1.
Title: A Mutant Allele Uncouples the Brassinosteroid-Dependent and Independent Functions of BRASSINOSTEROID INSENSITIVE 1.
involved in the formation of new lateral roots from secondary growth taproot
Title: Transcription factors PRE3 and WOX11 are involved in the formation of new lateral roots from secondary growth taproot in A. thaliana.
In the post-embryonic root, TMO7 and its close relatives are transported into the root cap through plasmodesmata in a sequence-dependent manner. Nuclear residence is crucial for TMO7 transport, and we postulate that modification, potentially phosphorylation, labels TMO7 for transport.
Title: Regulation of intercellular TARGET OF MONOPTEROS 7 protein transport in the Arabidopsis root.
TMO7 is involved in the regulation of light signaling.
Title: The non-DNA-binding bHLH transcription factor PRE3/bHLH135/ATBS1/TMO7 is involved in the regulation of light signaling pathway in Arabidopsis.
TARGET OF MP, TMO5 and TMO7 encode basic helix-loop-helix (bHLH) transcription factors that are expressed in the hypophysis-adjacent embryo cells, and are required and partially sufficient for MONOPTEROS-dependent root initiation. [TMO7]
Title: MONOPTEROS controls embryonic root initiation by regulating a mobile transcription factor.
Plants use atypical Basic helix-loop-helix (bHLH) proteins to regulate BR signaling. [ATBS1]
Title: Regulation of Arabidopsis brassinosteroid signaling by atypical basic helix-loop-helix proteins.

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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_106110.3

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
acts_upstream_of_or_within brassinosteroid mediated signaling pathway	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within embryonic root morphogenesis	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in regulation of DNA-templated transcription	IEA Inferred from Electronic Annotation more info
involved_in regulation of growth	IEA Inferred from Electronic Annotation more info
acts_upstream_of_or_within root development	IEP Inferred from Expression Pattern more info	PubMed

Component	Evidence Code	Pubs
located_in cytoplasm	IDA Inferred from Direct Assay more info	PubMed
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: activation-tagged BRI1(brassinosteroid-insensitive 1)-suppressor 1

NP_177590.1

activation-tagged BRI1(brassinosteroid-insensitive 1)-suppressor 1 (BS1); CONTAINS InterPro DOMAIN/s: Helix-loop-helix DNA-binding domain (InterPro:IPR001092), Helix-loop-helix DNA-binding (InterPro:IPR011598); BEST Arabidopsis thaliana protein match is: BANQUO 3 (TAIR:AT3G47710.1); Has 97 Blast hits to 97 proteins in 12 species: Archae - 0; Bacteria - 0; Metazoa - 0; Fungi - 0; Plants - 97; Viruses - 0; Other Eukaryotes - 0 (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

27997919..27998821 complement

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GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

NM_106110.3 → NP_177590.1 activation-tagged BRI1(brassinosteroid-insensitive 1)-suppressor 1 [Arabidopsis thaliana]

See identical proteins and their annotated locations for NP_177590.1

Status: REVIEWED

UniProtKB/Swiss-Prot

Q9CA64

UniProtKB/TrEMBL

A0A178WAL8, A0A5S9WUD2

Conserved Domains (1) summary

PLN03217
Location:1 → 93

PLN03217; transcription factor ATBS1; Provisional