GS1 — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.2HG0168820 (HvGS1) on barley chromosome 2H encodes a protein with riboflavin kinase activity, FMN adenylyltransferase activity, sugar-phosphatase activity, and sn-glycerol 3-phosphatase activity. The gene is associated with nitrogen utilization, response to nitrate, salt stress response, and salinity response. It is linked to leaf senescence, seed development, root development, and glycerol anabolism. Associations with grain yield, protein content, and grain filling period have been noted. The encoded protein localizes to the cytosol, mitochondria, and plasmalemma. Studies of related genes in other species link the family to desiccation tolerance, osmotic stress tolerance, salt tolerance, and oxidative stress tolerance, as well as grain weight, grain number, spikelet number, grain protein content, and flag leaf senescence.