AGR — Solanum lycopersicum

Summary

SlAGR (SOLYC05G008060.4) on tomato chromosome 5 encodes a protein with auxin efflux carrier and membrane transporter domains, annotated with both auxin influx and efflux transmembrane transporter activities, inositol-1,4-bisphosphate 1-phosphatase activity, and multiple phosphatidylinositol phosphate binding functions. The gene is associated with auxin efflux carrier complex and recycling endosome localisation, and linked to regulation of secretion, halotropism, and detection of oxidative stress. In tomato, it has been connected to leaf flattening, flower abscission, shoot architecture, and parthenocarpic fruit development. Associations also include fruit volume, root dry weight, gravity and phototropism responses, leaf angle, seed set, shoot branching, and sensitivity to blue light, manganese, and herbicides. Studies of related genes in other species link the gene family to root meristem growth, embryonic patterning, flowering time, and osmotic stress tolerance.