AGR — Triticum aestivum

Summary

TRAESCS3A02G231500 (TaAGR, also known as TaPIN6-3A) on bread wheat chromosome 3A encodes a member of the auxin efflux carrier family, possessing auxin efflux transmembrane transporter activity, inositol-1,4-bisphosphate 1-phosphatase activity, and phosphatidylinositol phosphate binding. The gene is associated with auxin signalling and transport pathways, including IAA efflux and clathrin-mediated endocytosis of PIN proteins. It is linked to tropism, regulation of cell polarization, endocytic recycling, and response to oxidative stress and cation stress. Associations with agronomic traits include grain yield per plant, spikelet number, seed set percent, panicle number, root dry weight, shoot growth angle, and leaf vein morphology. The gene is also connected to stigma development, phragmoplast microtubule organization, and miRNA catabolic processes. Studies of related genes in other species link the family to plant height, tiller number, root system architecture, and aluminium tolerance.