EXGT-A3 endoxyloglucan transferase A3 [Arabidopsis thaliana (thale cress)] - Gene

Summary

Official Symbol: EXGT-A3
Official Full Name: endoxyloglucan transferase A3
Primary source: TAIR:AT2G01850
Locus tag: AT2G01850
See related: Araport:AT2G01850
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: ATXTH27; endoxyloglucan transferase A3; T23K3.4; T23K3_4; XTH27; XYLOGLUCAN ENDOTRANSGLUCOSYLASE/HYDROLASE 27
Summary: EXGT-A3 has homology to xyloglucan endotransglucosylases/hydrolases (XTHs). Mutants in this gene show a lesion mimic phenotype associated with leaf maturation and a reduction in the number of tertiary veins. Individual tracheary elements in the mutants are shorter, but phloem transport activity is not severely affected. EXGT-A3 plays a role in xyloglucan degradation in the differentiating tracheary elements of rosette leaves.
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Chromosome 2 - NC_003071.7 Genomic Context describing neighboring genes

Go to nucleotide: Graphics FASTA GenBank

XTH27 plays a role in the generation of tracheary elements in the rosette leaves of Arabidopsis. [AtXTH27]
Title: AtXTH27 plays an essential role in cell wall modification during the development of tracheary elements.

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NM_126246.4

Function	Evidence Code	Pubs
enables hydrolase activity, hydrolyzing O-glycosyl compounds	IEA Inferred from Electronic Annotation more info
enables polysaccharide binding	ISS Inferred from Sequence or Structural Similarity more info
enables xyloglucan:xyloglucosyl transferase activity	IDA Inferred from Direct Assay more info	PubMed
enables xyloglucan:xyloglucosyl transferase activity	ISS Inferred from Sequence or Structural Similarity more info	PubMed

Process	Evidence Code	Pubs
involved_in cell wall biogenesis	IEA Inferred from Electronic Annotation more info
acts_upstream_of_or_within phloem or xylem histogenesis	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in xyloglucan metabolic process	IEA Inferred from Electronic Annotation more info

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

NP_178294.1

endoxyloglucan transferase A3 (EXGT-A3); FUNCTIONS IN: hydrolase activity, acting on glycosyl bonds, xyloglucan:xyloglucosyl transferase activity; INVOLVED IN: phloem or xylem histogenesis; LOCATED IN: endomembrane system, cell wall, apoplast; EXPRESSED IN: 25 plant structures; EXPRESSED DURING: 13 growth stages; CONTAINS InterPro DOMAIN/s: Xyloglucan endotransglucosylase/hydrolase (InterPro:IPR016455), Xyloglucan endo-transglycosylase, C-terminal (InterPro:IPR010713), Concanavalin A-like lectin/glucanase, subgroup (InterPro:IPR013320), Concanavalin A-like lectin/glucanase (InterPro:IPR008985), Glycoside hydrolase, family 16 (InterPro:IPR000757); BEST Arabidopsis thaliana protein match is: xyloglucan endotransglucosylase/hydrolase 28 (TAIR:AT1G14720.1); Has 2101 Blast hits to 2091 proteins in 291 species: Archae - 0; Bacteria - 238; Metazoa - 0; Fungi - 449; Plants - 1341; Viruses - 0; Other Eukaryotes - 73 (source: NCBI BLink).

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