VP — Beta vulgaris subsp. vulgaris

Summary

BVRB_7G177860 (symbol VP, also known as BvVP or BvVHP1) encodes a proton-translocating pyrophosphatase, a PPase-energised H-pump with inorganic diphosphatase activity. In sugar beet, this gene is associated with proton transmembrane transport, establishment of transmembrane electrochemical gradients, auxin polar transport, sucrose and carbohydrate metabolism, starch biosynthesis regulation, cold acclimation, stress response, leaf and embryo development, and cell wall pectin metabolism. The product localises to the tonoplast, vacuolar membrane, Golgi, endosome, and chloroplast envelope. Associations include leaf length, stomatal opening, abscisic acid sensitivity, low temperature stress response, and salt tolerance. Studies of related genes in other species link the family to grain yield, biomass accumulation, drought and salt tolerance, phosphorus use efficiency, root growth, and photosynthesis.