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Gene : AUX1 A. thaliana

Gene ID  ? AT2G38120
Brief Description  Transmembrane amino acid transporter family protein  Source: Araport11 (06/2016).
Is Obsolete?  false
Computational Description  ? AUXIN RESISTANT 1 (AUX1); CONTAINS InterPro DOMAIN/s: Amino acid transporter, transmembrane (InterPro:IPR013057); BEST Arabidopsis thaliana protein match is: like AUXIN RESISTANT 1 (TAIR:AT5G01240.1).  Source: TAIR, Jun 30, 2015.
Curator Summary  ? Encodes an auxin influx transporter. AUX1 resides at the apical plasma membrane of protophloem cells and at highly dynamic subpopulations of Golgi apparatus and endosomes in all cell types. AUX1 action in the lateral root cap and/or epidermal cells influences lateral root initiation and positioning. Shoot supplied ammonium targets AUX1 and inhibits lateral root emergence.  Source: TAIR, Jun 30, 2015.
Name  ? AUXIN RESISTANT 1
  • synonyms:
  • WAV5,
  • PIR1,
  • MODIFIER OF ARF7/NPH4 PHENOTYPES 1,
  • AtAUX1,
  • WAVY ROOTS 5,
  • MAP1

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21 GeneRIFs (Gene References Into Functions)

Data Source: NCBI

Annotation PubMed Id
Biochemical characterization of the auxin-influx carrier AUX1 is presented. 16677815
results show that AXR4 (At1g54990) a protein of the endoplasmic reticulum (ER)regulates localization of AUX1; findings indicate that the axr4 agravitropic phenotype is caused by defective AUX1 trafficking in the root epidermis 16690816
Planar polarity in root tips studied and found that combinatorial action of the auxin influx carrier AUX1, ETHYLENE-INSENSITIVE2, and GNOM genes mediates the vector for coordinate hair positioning. 17084699
AUX1 uses a novel trafficking pathway in plants that is distinct from PIN trafficking, providing an additional mechanism for the fine regulation of auxin transport. 17114355
auxin signaling in the basal meristem triggers pericycle cells for lateral root initiation prior to the action of INDOLE-3-ACETIC ACID 17215297
for binding of IAA to AUX1 K(d) of 2.6 mum 18614710
Mutations within the AUX1 gene reduces cytokinin regulated auxin accumulation and redistribution in calli and specific tissues of young seedlings. 19052775
Three-dimensional modelling of auxin flow in the root tip suggests that AUX1-dependent transport through non-hair cells maintains an auxin supply to developing hair cells as they increase in distance from the root tip, and sustains root-hair outgrowth 19079245
Data demonstrate that CTR1 acts as a concentration-dependent repressor of a biosynthesis-dependent auxin gradient that modulates planar polarity in the root tip. 19448626
Data show that aux1 and pin2 mutants are insensitive to ABA-dependent repression of embryonic axis (hypocotyl and radicle) elongation. 19666738
mutant analysis demonstrates that the auxin influx carrier LAX3 is indispensable for proper hook formation, whereas the auxin influx carrier AUX1 is involved in the hook exaggeration phenotype induced by ethylene 20110325
Alkoxy-auxins are selective inhibitors of auxin transport mediated by PIN, ABCB, and AUX1 transporters. 21084292
Shoot-supplied ammonium inhibits lateral root primordium emergence in Arabidopsis by interfering with AUX1-dependent auxin transport from shoot to root. 21342208
The auxin influx gene AUX1 is directly associated with petal initiation, although detectable only when petal loss (PTL) function is lost. 23175631
The aux1(rcr1) mutation may prevent DR5:GUS expression, possibly by affecting nuclear auxin signalling. 23293348
This study evaluated the role of AUX1 in the influx of auxins into cells. 25039492
Arabidopsis adventitious root formation and xylogenesis are developmental programmes that are inversely related, but they involve fine-tuning by the same proteins, namely SHR, SCR and AUX1. 25617411
we observed fewer and more spaced vascular bundles in quadruple mutants plants of the auxin influx carriers aux1lax1lax2lax3 25922946
Results suggest that Lateral Organ Boundaries Domain16 and 18 (LBD16 and LBD18) are important regulators of lateral root (LR) initiation and development downstream of AUXIN1 (AUX1) and LIKE-AUXIN3 (LAX3) auxin influx carriers. 26059335
Data show that ethylene modulates alkaline stress-mediated inhibition of root growth by increasing auxin accumulation by stimulating the expression of auxin transporter protein 1 (AUX1) and auxin biosynthesis-related genes. 26109425
Data report that three of these genes (AUX1, LAX1 and LAX2) show specific and dynamic patterns of expression during early leaf development 26111009

Genomics

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12 Flanking Regions

Flank size: from most upstream transcription start site, or most downstream transcription stop site

Region Name Flank Size Direction Length Gene Included? Chromosome Location
AT2G38120 0.5kb upstream 0.5kb upstream 4805   true Chr2: 15972376-15977180
AT2G38120 0.5kb upstream 0.5kb upstream 500   false Chr2: 15972376-15972875
AT2G38120 0.5kb downstream 0.5kb downstream 4805   true Chr2: 15972876-15977680
AT2G38120 0.5kb downstream 0.5kb downstream 500   false Chr2: 15977181-15977680
AT2G38120 1.0kb upstream 1.0kb upstream 5305   true Chr2: 15971876-15977180
AT2G38120 1.0kb upstream 1.0kb upstream 1000   false Chr2: 15971876-15972875
AT2G38120 1.0kb downstream 1.0kb downstream 5305   true Chr2: 15972876-15978180
AT2G38120 1.0kb downstream 1.0kb downstream 1000   false Chr2: 15977181-15978180
AT2G38120 3.0kb upstream 3.0kb upstream 7305   true Chr2: 15969876-15977180
AT2G38120 3.0kb upstream 3.0kb upstream 3000   false Chr2: 15969876-15972875
AT2G38120 3.0kb downstream 3.0kb downstream 7305   true Chr2: 15972876-15980180
AT2G38120 3.0kb downstream 3.0kb downstream 3000   false Chr2: 15977181-15980180

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1 Pathways

Data Source: KEGG

Identifier Name
04075 Plant hormone signal transduction

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11 Data Sets

Name Description Version
BAR Annotations Lookup Mapping(s) between AGI locus and Affy Probeset identifier 10/08/2013
Genome Annotation Araport11 protein-coding, non-coding and transposable element genes Araport11 (06/2016)
RNA-seq expression Measure of gene expression levels (Transcripts per Million, TPM) quantified by Salmon Araport11 (06/2016)
PubMed to gene mapping Curated associations between publications and NCBI Gene records 8/12/2016
GO Annotation from GOC GO annotations assigned by the GO Consortium 8/01/2016
PO Annotation from TAIR Literature-based annotations of genes to Plant Ontology (PO) terms 06/30/2015
Swiss-Prot data set High-quality, manually annotated, non-redundant protein sequence database 2016_07
Panther data set PANTHER paralogs from Arabidopsis 11.0
KEGG pathways data set Wiring diagrams of molecular interactions, reactions, and relations 79.0
GeneRIF Concise phrase describing gene function and publication associated with NCBI Gene records 8/12/2016
BioGRID interaction data set Curated set of genetic and physical interactions for Arabidopsis thaliana 3.4.139