IAA19 indole-3-acetic acid inducible 19 [Arabidopsis thaliana (thale cress)] - Gene

Summary

Official Symbol: IAA19
Official Full Name: indole-3-acetic acid inducible 19
Primary source: TAIR:AT3G15540
Locus tag: AT3G15540
See related: Araport:AT3G15540
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: indole-3-acetic acid inducible 19; MASSUGU 2; MJK13.22; MSG2
Summary: Primary auxin-responsive gene. Involved in the regulation stamen filaments development.
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Chromosome 3 - NC_003074.8 Genomic Context describing neighboring genes

Go to nucleotide: Graphics FASTA GenBank

Data indicate that PIF4 and PIF5 negatively regulate auxin signaling. that PIF4 and PIF5 negatively modulate auxin-mediated phototropism through directly activating IAA19 and IAA29, which physically interact with auxin factor7 (ARF7).
Title: PIF4 and PIF5 transcription factors link blue light and auxin to regulate the phototropic response in Arabidopsis.
Brassinosteroids employs auxin signaling components IAA19 and ARF7 to modulate the specific downstream processes.
Title: Brassinosteroids regulate the differential growth of Arabidopsis hypocotyls through auxin signaling components IAA19 and ARF7.
Humic substances induce transcription of the auxin inducible gene IAA19 and induce lateral root development.
Title: Humic substances induce lateral root formation and expression of the early auxin-responsive IAA19 gene and DR5 synthetic element in Arabidopsis.
MSG2/IAA19 is one of the master genes that regulate elongation of stamen filaments.
Title: Changes in growth kinetics of stamen filaments cause inefficient pollination in massugu2, an auxin insensitive, dominant mutant of Arabidopsis thaliana.
There are functional differences among the Aux/IAA gene family members MSG2, AXR2, and SLR.
Title: Specificity and similarity of functions of the Aux/IAA genes in auxin signaling of Arabidopsis revealed by promoter-exchange experiments among MSG2/IAA19, AXR2/IAA7, and SLR/IAA14.

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

NM_112422.4

Function	Evidence Code	Pubs
enables DNA-binding transcription factor activity	ISS Inferred from Sequence or Structural Similarity more info	PubMed
enables identical protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed

Process	Evidence Code	Pubs
acts_upstream_of_or_within gravitropism	NAS Non-traceable Author Statement more info
involved_in peptidyl-L-3-phenyllactic acid biosynthetic process from peptidyl-phenylalanine	IDA Inferred from Direct Assay more info	PubMed
acts_upstream_of_or_within phototropism	NAS Non-traceable Author Statement more info
involved_in regulation of DNA-templated transcription	IEA Inferred from Electronic Annotation more info
acts_upstream_of_or_within response to auxin	NAS Non-traceable Author Statement more info
acts_upstream_of_or_within response to auxin	TAS Traceable Author Statement more info	PubMed
acts_upstream_of_or_within stamen filament development	IMP Inferred from Mutant Phenotype more info	PubMed

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

NP_188173.1

indole-3-acetic acid inducible 19 (IAA19); FUNCTIONS IN: sequence-specific DNA binding transcription factor activity; INVOLVED IN: phototropism, gravitropism, response to auxin stimulus, response to brassinosteroid stimulus, stamen filament development; LOCATED IN: nucleus; EXPRESSED IN: 22 plant structures; EXPRESSED DURING: 13 growth stages; CONTAINS InterPro DOMAIN/s: Aux/IAA-ARF-dimerisation (InterPro:IPR011525), AUX/IAA protein (InterPro:IPR003311); BEST Arabidopsis thaliana protein match is: indole-3-acetic acid 6 (TAIR:AT1G52830.1); Has 1781 Blast hits to 1780 proteins in 79 species: Archae - 0; Bacteria - 0; Metazoa - 0; Fungi - 0; Plants - 1780; Viruses - 0; Other Eukaryotes - 1 (source: NCBI BLink).