AGR — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.3HG0324320, designated HvAGR on barley chromosome 3H, encodes a member of the auxin efflux carrier family with PIN-like transporter domains. The product exhibits multiple annotated molecular functions including auxin efflux and influx transmembrane transporter activity, inositol-1,4-bisphosphate 1-phosphatase activity, and binding of various phosphoinositides and clathrin. It is associated with tropism, detection of oxidative stress, regulation of endocytosis, cell polarization, phragmoplast microtubule organization, and responses to cation stress and boron levels. The gene is linked to traits including gravity response, phototropism, shoot growth angle, seed set, leaf vein morphology, relative root length, anther and stamen morphology, brassinosteroid content, and sensitivities to blue light, manganese, ethylene, and herbicides. Studies of related genes in other species connect the family to plant height, tillering, root architecture, aluminium tolerance, chilling stress, and flower development.