TAA1 uncharacterized protein [Arabidopsis thaliana (thale cress)] - Gene

Summary

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Official Symbol: TAA1
Official Full Name: uncharacterized protein
Primary source: TAIR:AT1G70560
Locus tag: AT1G70560
See related: Araport:AT1G70560
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: CKRC1; cytokinin induced root curling 1; F24J13.13; F24J13_13; SAV3; SHADE AVOIDANCE 3; tryptophan aminotransferase of Arabidopsis 1; WEAK ETHYLENE INSENSITIVE 8; WEI8
Summary: TAA1 is involved in the shade-induced production of indole-3-pyruvate (IPA), a precursor to IAA, a biologically active auxin. It is also involved in regulating many aspects of plant growth and development from embryogenesis to flower formation and plays a role in ethylene-mediated signaling. This enzyme can catalyze the formation of IPA from L-tryptophan. Though L-Trp is expected to be the preferred substrate in vivo, TAA1 also acts as an aminotransferase using L-Phe, L-Tyr, L-Leu, L-Ala, L-Met, and L-Gln.
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Genomic context

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See TAA1 in Genome Data Viewer

Location:: chromosome: 1

Exon count:: 5

Sequence:: Chromosome: 1; NC_003070.9 (26604855..26607652)

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?

AUX1, PIN3, and TAA1 collectively maintain fertility in Arabidopsis.
Title: AUX1, PIN3, and TAA1 collectively maintain fertility in Arabidopsis.
Indole-3-pyruvic acid regulates TAA1 activity, which plays a key role in coordinating the two steps of auxin biosynthesis.
Title: Indole-3-pyruvic acid regulates TAA1 activity, which plays a key role in coordinating the two steps of auxin biosynthesis.
Local auxin biosynthesis acts downstream of brassinosteroids to trigger root foraging for nitrogen.
Title: Local auxin biosynthesis acts downstream of brassinosteroids to trigger root foraging for nitrogen.
ARR proteins act as key node that mediate the regulation of auxin biosynthesis by various hormonal, environmental, and developmental signals through transcriptional regulation of the key auxin biosynthesis gene TAA1.
Title: Type B Response Regulators Act As Central Integrators in Transcriptional Control of the Auxin Biosynthesis Enzyme TAA1.
In response to Al stress, ethylene signaling locally upregulates TAA1 expression and thus auxin responses in the transition zone (TZ)and results in auxin-regulated root growth inhibition through a number of auxin response factors (ARFs).
Title: TAA1-regulated local auxin biosynthesis in the root-apex transition zone mediates the aluminum-induced inhibition of root growth in Arabidopsis.
Arabidopsis ckrc1 mutant encodes tryptophan aminotransferase (TAA1) that is involved in the indole-3-pyruvic acid pathway of indole-3-acetic acid biosynthesis.
Title: Functional characterization of the CKRC1/TAA1 gene and dissection of hormonal actions in the Arabidopsis root.
Biochemical studies revealed that WEI8 encodes a tryptophan aminotransferase, TAA1, in the essential, yet genetically uncharacterized, indole-3-pyruvic acid branch of the auxin synthesis pathway; TAA1 gene was found to correspond to At1g70560.
Title: TAA1-mediated auxin biosynthesis is essential for hormone crosstalk and plant development.

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Pathways from PubChem

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General gene information

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NM_105724.3

Supported by ESTs:

Gene Ontology Provided by TAIR

Function	Evidence Code	Pubs
enables L-alanine:2-oxoglutarate aminotransferase activity	IDA Inferred from Direct Assay more info	PubMed
enables L-leucine-2-oxoglutarate transaminase activity	IDA Inferred from Direct Assay more info	PubMed
enables L-methionine:2-oxoglutarate aminotransferase activity	IDA Inferred from Direct Assay more info	PubMed
enables L-phenylalanine-2-oxoglutarate transaminase activity	IDA Inferred from Direct Assay more info	PubMed
enables L-phenylalanine-pyruvate transaminase activity	IDA Inferred from Direct Assay more info	PubMed
enables L-tryptophan:2-oxoglutarate aminotransferase activity	IDA Inferred from Direct Assay more info	PubMed
enables L-tryptophan:pyruvate aminotransferase activity	IDA Inferred from Direct Assay more info	PubMed
enables L-tyrosine-2-oxoglutarate transaminase activity	IDA Inferred from Direct Assay more info	PubMed
enables L-tyrosine-pyruvate transaminase activity	IDA Inferred from Direct Assay more info	PubMed
enables carbon-sulfur lyase activity	IEA Inferred from Electronic Annotation more info
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables pyridoxal phosphate binding	IDA Inferred from Direct Assay more info	PubMed

Process	Evidence Code	Pubs
acts_upstream_of_or_within auxin polar transport	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within auxin-activated signaling pathway	NAS Non-traceable Author Statement more info
acts_upstream_of_or_within cotyledon development	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within cotyledon vascular tissue pattern formation	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within defense response to bacterium	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within embryo development ending in seed dormancy	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within flower development	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within gynoecium development	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within indoleacetic acid biosynthetic process	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within leaf development	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within maintenance of root meristem identity	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within phloem or xylem histogenesis	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within positive gravitropism	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within primary root development	IGI Inferred from Genetic Interaction more info	PubMed
acts_upstream_of_or_within response to ethylene	IEP Inferred from Expression Pattern more info	PubMed
acts_upstream_of_or_within response to ethylene	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within root development	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within shade avoidance	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within shoot system development	IGI Inferred from Genetic Interaction more info	PubMed

Component	Evidence Code	Pubs
located_in cytoplasm	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: uncharacterized protein

NP_177213.1

tryptophan aminotransferase of Arabidopsis 1 (TAA1); CONTAINS InterPro DOMAIN/s: Pyridoxal phosphate-dependent transferase, major domain (InterPro:IPR015424), Pyridoxal phosphate-dependent transferase, major region, subdomain 1 (InterPro:IPR015421), Allinase, C-terminal (InterPro:IPR006948), Pyridoxal phosphate-dependent transferase, major region, subdomain 2 (InterPro:IPR015422); BEST Arabidopsis thaliana protein match is: tryptophan aminotransferase related 1 (TAIR:AT1G23320.1); Has 469 Blast hits to 469 proteins in 134 species: Archae - 44; Bacteria - 178; Metazoa - 0; Fungi - 0; Plants - 199; Viruses - 0; Other Eukaryotes - 48 (source: NCBI BLink).